Tag: Google Gemini

  • Cheapest 1M Context Model: GLM-5.3-Flash vs Gemini 3.7 Flash

    GLM-5.3-Flash is the cheapest 1M context model worth running in production. Z.ai lists it at $0.15 per million input tokens against $0.75 for Gemini 3.7 Flash — five times cheaper — while scoring 57 on the Artificial Analysis Intelligence Index versus Gemini’s 56. Google keeps two real advantages: raw throughput and vision. Everything else favors the open-weights challenger.

    Z.ai shipped GLM-5.3-Flash on August 26, 2026, thirteen days after Google made Gemini 3.7 Flash generally available. Both models advertise a 1,048,576-token context window. Both target agentic coding and long-document work.

    The gap is price. And at 1M-token scale, price is the entire product decision.

    What is GLM-5.3-Flash?

    GLM-5.3-Flash is a natively multimodal mixture-of-experts model with 320 billion total parameters and 18 billion active per token, released under an MIT license. It routes each token through 8 of 288 experts across 45 layers, ships in native FP8, and holds a 1,048,576-token context window.

    That active-parameter count is the whole story. Z.ai is charging flagship-tier context for a model that only lights up 18B weights per forward pass.

    The architecture behind the price

    The model combines KDA linear-attention layers with NoPE sparse MLA layers. Per MarkTechPost’s launch coverage, that combination delivers roughly 3x less attention compute and a 4.4x smaller KV cache than GLM-5.3.

    KV cache is what makes long context expensive to serve. Shrink it 4.4x and you can price a 1M window like a short one.

    The jump over the previous generation is not cosmetic. Z.ai’s own numbers put DeepSWE v1.1 at 63.4%, up from 46.2% on GLM-5.2, and AutomationBench at 48.8%, up from 26.2% — a 22.6-point gain in one release cycle, according to LLM Stats.

    How much does the cheapest 1M context model actually cost?

    GLM-5.3-Flash lists at $0.15 per million input tokens and $0.50 output, with cached input at $0.03. Gemini 3.7 Flash lists at $0.75 input and $3.75 output on Google’s own model page. That is 5x on input and 7.5x on output, before any discount either side is running.

    Spec GLM-5.3-Flash Gemini 3.7 Flash
    Released Aug 26, 2026 Aug 13, 2026
    License MIT open weights Proprietary API
    Parameters 320B total / 18B active Undisclosed
    Input context 1,048,576 tokens 1,048,576 tokens
    Max output 131,072 tokens 65,536 tokens
    Input / 1M $0.15 $0.75
    Output / 1M $0.50 $3.75
    Cached input / 1M $0.03 $0.06 (Vertex)
    AA Intelligence Index 57 56
    Output speed 50.2 tok/s 301 tok/s
    Time to first token 1.47s 3.83s

    Pricing from Z.ai list rates and Google DeepMind’s Gemini Flash page. Speed and index figures from Artificial Analysis and Requesty’s Vertex listing. Resellers differ: OpenRouter lists GLM-5.3-Flash at $0.075 / $0.25 and Gemini 3.7 Flash at $0.375 / $1.875.

    What it costs to fill the window once

    Push a full 1,048,576-token context through each model, one time, and the arithmetic is brutal.

    GLM-5.3-Flash: $0.157. Gemini 3.7 Flash: $0.786. Same window, same task, a $0.63 difference per call.

    Run that 10,000 times a month — a modest document-processing pipeline — and you are looking at $1,573 versus $7,864. The $6,291 monthly delta is a headcount line item, not a rounding error.

    For context on how wide the field has gotten, Morph’s context-window survey clocked a 71x spread between the cheapest and priciest 1M window on the market, from $0.14 on DeepSeek V4 Flash to $10.00 on Claude Fable 5.

    The January 2027 price cliff

    Google’s $0.75 / $3.75 is an introductory rate. Its own page states the promotion expires December 31, 2026, after which Gemini 3.7 Flash reverts to $1.50 per million input and $7.50 per million output.

    On January 1, filling that same 1M window costs $1.57 on Gemini. Against GLM’s $0.157, that is a clean 10x.

    Z.ai is running a promotion too — 50% off through September 9, 2026 — but its post-promo list price is the $0.15 already quoted. One vendor’s discount expires into a doubling. The other’s expires into the number on the page.

    Which is better for coding agents, GLM-5.3-Flash or Gemini 3.7 Flash?

    Gemini 3.7 Flash wins the coding benchmarks by margins too small to justify a 7.5x output bill. It leads Terminal-Bench 2.1 85.8% to 84.3% and DeepSWE v1.1 65.3% to 63.4%. GLM takes HLE 55.3% to 53.6% and destroys Gemini on AutomationBench, 48.8% to 30.4%.

    A 1.5-point Terminal-Bench edge is inside the noise band of most agent harnesses. An 18.4-point AutomationBench gap is not.

    AutomationBench measures multi-step tool use and workflow completion — the thing you actually buy an agent model for. GLM-5.3-Flash scores 60% higher there in relative terms.

    Coding agents also burn output tokens, not input tokens. A long agentic run is thousands of generated tokens per step. That is precisely the axis where Gemini costs 7.5x more.

    Our earlier breakdown of GLM-5.3 against DeepSeek V4 Pro found the same pattern in the open-weight tier: near-parity capability, order-of-magnitude price separation.

    Where Gemini 3.7 Flash still wins

    Google has genuine leads that no discount closes:

    • Throughput: 301 tokens/second median output versus 50.2 for GLM-5.3-Flash — 6x faster generation.
    • Vision: BabyVision 70.9% against GLM’s 53.4%, a 17.5-point gap that Z.ai does not dispute.
    • Long-context recall: GDM-MRCR v2 at 128k scores 97.0%, among the strongest retrieval numbers published this year.
    • Desktop agents: OSWorld-2.0 at 47.9% and Code Arena at 1588 Elo for web development.
    • Vertical accuracy: Harvey LAB-AA at 90.7% on legal reasoning tasks.

    GLM does answer faster on the first token — 1.47s versus 3.83s — which matters for interactive chat. But once generation starts, Gemini pulls away hard.

    Is GLM-5.3-Flash worth it for multimodal work?

    Only for charts and documents, not for general vision. GLM-5.3-Flash posts 78.0% on Chartography against DeepSeek-V4-Flash-Vision-Exp’s 64.3%, but trails Gemini 3.7 Flash badly on BabyVision, 53.4% to 70.9%. Structured visual data is a strength. Open-ended image understanding is not.

    It also scores 62.4% on OfficeQA Pro, which points at the same conclusion: business documents, spreadsheets, slides and charts are where the multimodal stack earns its keep.

    If your pipeline reads invoices, financial statements or dashboards, GLM handles it at a fifth of the price. If it captions arbitrary photos, pay Google.

    We ran similar math on DeepSeek’s vision model against Claude Opus 4.8, where the per-image gap ran 23x. Cheap vision is now a solved category — you just have to match the model to the image type.

    Which model should you buy for your workload?

    Pick on token mix, not on leaderboard position. Input-heavy jobs at 1M scale go to GLM-5.3-Flash on cost alone. Latency-critical streaming and general vision go to Gemini 3.7 Flash. Coding agents are close on quality and lopsided on price.

    Use case Buy Why
    Bulk document / RAG ingestion GLM-5.3-Flash $0.157 vs $0.786 per full 1M window
    Long-horizon coding agents GLM-5.3-Flash AutomationBench 48.8 vs 30.4; 7.5x cheaper output
    Real-time chat / streaming UX Gemini 3.7 Flash 301 tok/s vs 50.2 tok/s
    General image understanding Gemini 3.7 Flash BabyVision 70.9 vs 53.4
    Charts, invoices, office docs GLM-5.3-Flash Chartography 78.0; OfficeQA Pro 62.4
    Needle-in-haystack retrieval Gemini 3.7 Flash GDM-MRCR v2 at 97.0%
    Data that cannot leave your VPC GLM-5.3-Flash MIT weights, self-hostable
    Terminal-Bench maximalists Gemini 3.7 Flash 85.8 vs 84.3 — for a 5x premium

    Should you self-host GLM-5.3-Flash instead?

    Only above roughly 100 million tokens a month. The FP8 checkpoint is 306 GiB of weights before KV cache and needs NVIDIA Hopper or newer. That is a multi-GPU node running continuously against an API bill of $0.15 per million input tokens.

    The MIT license is the real asset here, not the savings. It permits commercial use, modification and redistribution with no revenue thresholds — which is what makes GLM viable for regulated buyers who cannot route customer data through a third-party API.

    Weights are published on Hugging Face as zai-org/GLM-5.3-Flash. Our Qwen3.8-Max self-hosting cost analysis laid out the crossover math in detail; the shape is unchanged, only the weight file got smaller.

    Frequently asked questions

    Is GLM-5.3-Flash actually the cheapest 1M context model?

    Not quite. DeepSeek V4 Flash fills a 1M window for about $0.14 against GLM’s $0.157. But GLM scores 57 on the Artificial Analysis Intelligence Index and adds native multimodality, which makes it the cheapest capable one.

    How much cheaper is GLM-5.3-Flash than Gemini 3.7 Flash?

    Five times cheaper on input ($0.15 vs $0.75 per million) and 7.5 times cheaper on output ($0.50 vs $3.75). After Google’s introductory pricing expires December 31, 2026, the input gap widens to 10x.

    Does GLM-5.3-Flash really have a 1M context window?

    Z.ai specifies 1,048,576 tokens. OpenRouter lists its routed endpoint at 1,310,720 tokens with 131,072 max output — double Gemini 3.7 Flash’s 65,536-token output ceiling.

    Which model is faster?

    Gemini 3.7 Flash generates 6x faster at 301 tokens per second versus 50.2. GLM-5.3-Flash responds faster initially, at 1.47 seconds to first token against Gemini’s 3.83 seconds.

    Are these benchmark scores independently verified?

    Partly. The Artificial Analysis Intelligence Index scores are third-party. The Terminal-Bench, DeepSWE and AutomationBench figures are vendor self-reported on both sides — LLM Stats flags this explicitly for GLM-5.3-Flash.

    Can I use GLM-5.3-Flash commercially?

    Yes. The weights ship under an MIT license, which permits commercial use, modification and redistribution without revenue caps or usage restrictions.

    What happens to Gemini 3.7 Flash pricing in 2027?

    Google’s model page states the introductory rate ends December 31, 2026, moving to $1.50 per million input tokens and $7.50 per million output from January 1, 2027.

    The bottom line

    Buy GLM-5.3-Flash. For any workload dominated by input tokens or agent output tokens, it is the correct default — 5x to 7.5x cheaper at an intelligence index one point above Gemini 3.7 Flash, with a bigger output ceiling and weights you can take in-house.

    Keep Gemini 3.7 Flash for exactly two jobs: user-facing streaming where 301 tokens per second is the product, and general image understanding where 17.5 BabyVision points decide whether the feature works at all.

    The broader signal matters more than either model. Google discounted a Flash-tier model and still got undercut 5x by open weights released thirteen days later. Google’s own price sheet says that gap widens to 10x in four months.

    If you are still routing 1M-token jobs through a proprietary Flash endpoint in 2027, you are paying a tenfold convenience tax. Compare that against our Gemini 3.7 Flash versus Claude Sonnet 5 cost-per-point analysis and the direction is unmistakable.

    Sources

  • Best o3 Replacement: What to Use After the August 26 Cutoff

    OpenAI retires o3 from ChatGPT on August 26, 2026. The best o3 replacement for most teams is GPT-5.6 Terra at $2/$12 per million tokens — not the officially recommended Sol at $5/$30. Terra posts 90.4% on GPQA Diamond against o3’s 87.7%, at 60% less output cost. API users are not on the same clock: their o3 shutdown is December 11.

    The reasoning model that defined 2025 is being switched off. And the migration advice OpenAI published is the expensive option.

    Here is what actually changes on Tuesday, what each o3 replacement costs, and which one wins for your workload.

    What exactly happens to o3 on August 26, 2026?

    o3 disappears from the ChatGPT model picker on August 26, 2026. That is a product change, not an API shutdown. OpenAI’s release notes from May 28, 2026 confirm o3 is “retired from ChatGPT on August 26, 2026 following a 90-day sunset period.” Developers calling o3 over the API keep working past that date.

    The ChatGPT side: the picker already stopped naming models

    ChatGPT users lose nothing they can still see. Since the June 10, 2026 model picker update, OpenAI stopped exposing version numbers entirely.

    The picker now offers Instant, Medium, High, and Extra High, plus Pro Standard and Pro Extended on Pro plans. Reasoning is sold as effort, not as a model name.

    So for consumer subscribers, the o3 replacement is already installed. Selecting High is the closest analogue to what o3 Thinking used to do.

    The API side: your real deadline is December 11

    This is where most coverage gets it wrong. OpenAI’s deprecations page lists o3-2025-04-16 with a shutdown date of December 11, 2026, migrating to gpt-5.6-sol. o3-pro-2025-06-10 follows the same date, moving to Sol with reasoning.mode: pro.

    What does die on August 26 is the legacy Assistants API. Anything built on Assistants must move to the Responses and Conversations APIs by Tuesday. That is the deadline worth panicking about.

    Which o3 replacement is best for most workloads?

    GPT-5.6 Terra. OpenAI names Sol as the official successor, but Sol is priced for frontier reasoning at $5/$30 per million tokens. Terra sits at $2/$12 and clears o3 on the benchmarks that mattered to o3 users. For the overwhelming majority of o3 traffic, paying Sol rates is a rounding error you repeat a million times.

    Terra got cheaper on July 30, 2026, when OpenAI cut its price roughly 20% as part of the GPT-5.6 pricing refresh. Luna fell about 80% in the same announcement, to $0.20/$1.20.

    The quality case is not a stretch either. OpenRouter’s provider data puts Terra at 90.4% on GPQA Diamond and 75.3% on TAU-Bench. o3 scored 87.7% on GPQA Diamond at launch.

    Why Terra beats Sol on cost per task

    Reasoning models bill you for tokens you never see. A 500-token visible answer can consume 2,000+ tokens once hidden reasoning is counted.

    That multiplier is exactly why output price dominates your bill. At $12 versus $30 per million output tokens, Terra cuts the expensive half of the invoice by 60%.

    Terra also carries a 1,050,000-token context window with 128,000 max output — over five times o3’s 200K context. You are not trading capability down.

    How much does each o3 replacement cost?

    Prices below are list rates per million tokens as of August 24, 2026, pulled from provider pricing pages. Cached input bills at 10% of standard rates on OpenAI, and the Batch API halves both sides.

    Model Input Output Context Notes
    o3 (retiring) $2.00 $8.00 200K API shutdown Dec 11, 2026
    o3-pro (retiring) $20.00 $80.00 200K API shutdown Dec 11, 2026
    GPT-5.6 Terra $2.00 $12.00 1.05M Cut ~20% on Jul 30, 2026
    GPT-5.6 Sol $5.00 $30.00 1.05M Official o3 successor
    GPT-5.6 Luna $0.20 $1.20 1.05M Cut ~80% on Jul 30, 2026
    Claude Opus 5 $5.00 $25.00 200K Fast Mode is $10/$50
    Claude Sonnet 5 $2.00 $10.00 200K $2/$10 now permanent
    Gemini 3.7 Flash $0.75 $3.75 Doubles Jan 1, 2027
    Kimi K3 $2.60 $13.00 1M Open weights, 2.8T params

    Read that table one way and the story is obvious: o3 at $2/$8 was cheap, and every direct successor except Luna and Gemini Flash costs more per output token. Migration is a price increase unless you choose deliberately.

    Is GPT-5.6 Sol worth $5/$30 in 2026?

    Only for the top slice of your traffic. Sol is the frontier tier and the only model OpenAI formally maps o3-pro onto, via reasoning.mode: pro. If you were paying o3-pro’s $20/$80, Sol at $5/$30 is a 75% input cut and a 62.5% output cut.

    If you were on standard o3, Sol is a 150% input increase and a 275% output increase. Same model family, opposite financial outcome.

    There is also a long-context trap. Requests beyond the standard threshold reprice: Sol rises to $10/$45, Terra to $4/$18, Luna to $0.40/$1.80. Feeding a million-token repo into Sol is a different product than a 20K-token prompt.

    Which o3 replacement should you pick for your use case?

    Match the model to the job, not to the vendor’s migration note. Below is where each option earns its price, based on published benchmarks and list pricing. Benchmark your own top 20 prompts against Terra before escalating anything to Sol.

    Use case Pick Why
    General o3 traffic GPT-5.6 Terra 90.4% GPQA Diamond at $2/$12; 1.05M context
    Hardest reasoning, o3-pro traffic GPT-5.6 Sol Official reasoning.mode: pro path; 62.5% cheaper output than o3-pro
    High-volume classification GPT-5.6 Luna $0.20/$1.20 after the ~80% July cut
    Agentic coding, terminal work Gemini 3.7 Flash 85.8% on Terminal-bench 2.1 at $0.75/$3.75
    Long document analysis Claude Opus 5 $5/$25 with 200K context, cheaper output than Sol
    Balanced daily driver Claude Sonnet 5 $2/$10 locked permanently
    Self-hosting, data residency Kimi K3 2.8T open weights, 1M context, $2.60/$13 hosted

    What about Claude and Gemini as an o3 replacement?

    Both are live options, and both moved on price in the last two weeks. Anthropic canceled a scheduled increase; Google launched a discount with an expiry date attached. Those two facts change the math more than any benchmark did.

    Claude Sonnet 5’s price freeze quietly killed a 50% increase

    Sonnet 5 launched at $2/$10 as introductory pricing set to expire August 31, 2026, with a jump to $3/$15 scheduled for September 1. Anthropic’s pricing documentation now states that increase “will not occur” and $2/$10 is the standard price.

    That makes Sonnet 5 an exact price match to o3 on input and 25% more on output — the closest financial like-for-like swap available. We broke down how it stacks up against Google’s cheap tier in Gemini 3.7 Flash vs Claude Sonnet 5.

    Gemini 3.7 Flash is the cheapest credible option — until January

    Gemini 3.7 Flash shipped August 13, 2026 with a 50% introductory cut to $0.75/$3.75. On January 1, 2027 it reverts to $1.50/$7.50, and context caching moves from $0.075 to $0.15.

    Its numbers are strong where agents live: 85.8% on Terminal-bench 2.1 and 65.3% on DeepSWE v1.1, though only 43.6% on FrontierCode 1.1 Main. Build your 2027 budget on the standard rate, not the promo.

    How do you migrate off o3 without breaking production?

    Treat this as a pricing audit, not a find-and-replace. The single most expensive mistake is routing all o3 traffic to Sol because the deprecation table said so. Work through it in this order:

    1. Split the Assistants API work out first. It dies August 26, 2026 — 107 days before o3 does. Move to Responses and Conversations now.
    2. Pull your last 30 days of o3 token spend and split it by input versus output. Output volume decides which tier you can afford.
    3. Replay your top 20 prompts against Terra. If quality holds, you are done at $2/$12.
    4. Escalate only the failures to Sol. Route by task difficulty, not by default.
    5. Push bulk classification to Luna or Gemini 3.7 Flash. At $0.20/$1.20, Luna makes some batch jobs nearly free.
    6. Turn on prompt caching and the Batch API. Cache hits bill at 10%; batch halves everything.

    Teams running agentic coding harnesses should also re-check their tooling layer, not just the model. We covered that trade-off in Claude Code vs Codex CLI.

    Frequently asked questions about the o3 replacement

    Is o3 gone from the API on August 26, 2026?

    No. August 26 is the ChatGPT retirement date. OpenAI’s deprecations page lists the o3-2025-04-16 API shutdown as December 11, 2026, with gpt-5.6-sol as the migration target.

    What is the cheapest o3 replacement?

    GPT-5.6 Luna at $0.20/$1.20 per million tokens, following its roughly 80% price cut on July 30, 2026. For work needing more reasoning depth, Gemini 3.7 Flash at $0.75/$3.75 is the next step up.

    Does GPT-5.6 Terra actually beat o3?

    On GPQA Diamond, yes: 90.4% for Terra on OpenRouter’s provider data versus 87.7% for o3 at launch. Terra also carries a 1.05M context window against o3’s 200K.

    What replaces o3-pro?

    GPT-5.6 Sol with reasoning.mode: pro, per OpenAI’s deprecations table. At $5/$30 versus o3-pro’s $20/$80, it is a substantial price cut for that specific tier.

    Will Claude Sonnet 5 get more expensive in September?

    No. Anthropic canceled the September 1, 2026 increase to $3/$15. The $2/$10 rate is now permanent per its pricing docs.

    Is there an open-weights o3 replacement?

    Kimi K3 is the closest: 2.8 trillion parameters, 1M context, released July 16, 2026, and $2.60/$13 hosted on OpenRouter. Chinese open-weight coders are also competitive — see our GLM-5.3 vs DeepSeek V4 Pro breakdown.

    What breaks on August 26 if I do nothing?

    Two things: o3 vanishes from the ChatGPT picker, and the legacy Assistants API stops working. API calls to o3 itself keep running until December 11, 2026.

    The bottom line

    Move general o3 traffic to GPT-5.6 Terra at $2/$12 and stop there. It beats o3 on GPQA Diamond, gives you five times the context, and costs 60% less per output token than the Sol tier OpenAI points you at.

    Send only o3-pro-class work to Sol, where $5/$30 is genuinely a 62.5% output discount on what you were paying. Send bulk work to Luna at $0.20/$1.20.

    The decision depends on exactly one number: your output-token share. Above roughly 30% of spend, tier choice dominates everything else on your invoice. Below that, input caching matters more than which model you pick.

    And fix your Assistants API code before Tuesday. That is the only hard deadline this week. For more on where frontier pricing is heading, see our analysis of DeepSeek’s vision model against Claude Opus 4.8.

    Sources

  • Best AI Image Generation API in 2026: What to Use After Imagen 4

    Google shut down the Imagen 4 API on August 17, 2026. The best AI image generation API for most teams is now Gemini 3.1 Flash Lite Image at $0.0336 per 1K image — 16% cheaper than the Imagen 4 Standard tier it replaces. If you need top-ranked quality, GPT Image 2 leads the Artificial Analysis arena at 1,370 Elo. Google’s own recommended migration path costs 67.5% more.

    What exactly shut down on August 17, 2026?

    Google turned off three Imagen 4 endpoints yesterday: imagen-4.0-generate-001, imagen-4.0-ultra-generate-001 and imagen-4.0-fast-generate-001. There is no grace period and no read-only fallback. Google’s own documentation tells developers to move to Gemini 3.1 Flash Image “to avoid service interruptions.”

    That is a support answer, not a procurement answer. It ignores what the replacement costs.

    Every product that called those endpoints — thumbnail pipelines, e-commerce mockups, ad variant generators — returned an error this week unless someone repointed the client.

    The prices you just lost

    Imagen 4 was cheap. Fast ran $0.02 per image, Standard $0.04, and Ultra $0.06, per Google’s Imagen documentation and the migration notices that followed it.

    Nothing in Google’s current image lineup matches the Standard tier at that price. The company retired its own price leader.

    Which is the best AI image generation API right now?

    There is no single winner. GPT Image 2 takes raw quality at 1,370 Elo. Gemini 3.1 Flash Lite Image takes value at $0.0336 per 1K image and 1,291 Elo. FLUX.2 [klein] takes the price floor, from $0.014. Your budget picks the model, not your taste.

    The Artificial Analysis Image Arena ranks models on blind user votes. Prices below come from each provider’s published rate card.

    Price and quality, side by side

    Model Provider Arena Elo Per 1K image Per 10,000 images
    GPT Image 2 (high) OpenAI 1,370 $0.165–$0.211 $1,650–$2,110
    Reve 2.1 (v2 endpoint) Reve 1,323 ~$0.20 ~$2,000
    Gemini 3.1 Flash Image Google 1,321 $0.067 $670
    Gemini 3 Pro Image Google 1,297 $0.134 $1,340
    Gemini 3.1 Flash Lite Image Google 1,291 $0.0336 $336
    GPT Image 2 (low) OpenAI not separately ranked $0.005–$0.006 $50–$60
    FLUX.2 [pro] Black Forest Labs outside arena top 10 from $0.03 from $300
    FLUX.2 [klein] 4B Black Forest Labs outside arena top 10 from $0.014 from $140
    Imagen 4 Standard Google retired Aug 17, 2026 $0.04 $400

    Read the last row against the fifth. The only Google model that undercuts the Imagen 4 tier you were paying for is Flash Lite — and it is the one Google did not recommend.

    Is Google’s recommended migration the right one?

    No. Google points Imagen 4 users at Gemini 3.1 Flash Image, which runs $0.067 per 1K image against Imagen 4 Standard’s $0.04. That is a 67.5% increase: $670 versus $400 per 10,000 images. For a team shipping 500,000 images a year, the default migration adds roughly $13,500 in annual spend.

    Google’s Gemini API pricing page bills image output by token. Flash Image costs $60 per million output tokens, and a 1K image consumes 1,120 tokens.

    The Flash Lite loophole

    Gemini 3.1 Flash Lite Image bills at $30 per million output tokens — half of Flash Image. Same 1,120 tokens for a 1K image, so $0.0336 apiece.

    It scores 1,291 Elo against Flash Image’s 1,321. You give up 30 Elo points and cut your bill by half.

    Batch mode halves it again. Google discounts batch output to $15 per million tokens, which puts a 1K image at roughly $0.0168 — about 58% below the Imagen 4 Standard price you lost.

    How much does an AI image generation API cost per 10,000 images?

    Between $50 and $2,110, depending entirely on which tier you call. That 42x spread is the single most consequential decision in an image pipeline — larger than any quality gap between the top and bottom of the leaderboard.

    Here is the real monthly math at 10,000 1K images:

    • FLUX.2 [klein] 4B: from $140 — the cheapest hosted option from a major lab
    • Gemini 3.1 Flash Lite Image, batch: ~$168
    • FLUX.2 [pro]: from $300
    • Gemini 3.1 Flash Lite Image, standard: $336
    • Imagen 4 Standard (now dead): $400
    • Gemini 3.1 Flash Image: $670
    • Gemini 3 Pro Image: $1,340
    • GPT Image 2 (high): $1,650–$2,110

    GPT Image 2’s low-quality tier at $0.005–$0.006 undercuts everything on this list. It is the right call for internal previews and A/B thumbnails where nobody zooms in.

    This is the same cost-per-unit discipline we applied to video in our breakdown of the cheapest AI video APIs before the Sora 2 sunset. Image workloads punish sloppy tier selection harder, because volume is 100x higher.

    Which is better for quality, GPT Image 2 or Nano Banana 2?

    GPT Image 2, by 49 Elo points — 1,370 versus 1,321 in the text-to-image arena. But you pay $0.165 to $0.211 per high-quality image against $0.067 for Gemini 3.1 Flash Image. That is 2.5x to 3x the price for a roughly 3.7% Elo gain.

    OpenAI released GPT Image 2 on June 24, 2026, and it has held the arena’s top slot since. Widescreen and portrait ratios price slightly below square at the medium and high tiers.

    The verdict depends on who sees the output. Customer-facing hero images justify GPT Image 2. Bulk catalog art does not.

    It is the same trade we mapped when comparing Gemini 3.7 Flash against Claude Sonnet 5 on cost per coding point. Frontier tiers sell small quality deltas at large multiples.

    What about image editing, not just generation?

    The ranking flips. Reve 2.1 leads the Artificial Analysis editing arena at 1,263 Elo, ahead of GPT Image 2 (high) and MAI-Image-2.5, tied at 1,257. Gemini 3.1 Flash Image sits fifth at 1,249.

    Reve’s pricing is bifurcated in a way most buyers miss. The v2 create and edit endpoints run 150 credits, roughly $0.20 per call.

    The fast edit endpoint runs 5 credits — about $0.007. That is 28x cheaper than the v2 endpoint from the same vendor holding the top editing score.

    FLUX.2 [pro] editing starts at $0.045 per image, a $0.015 premium over its generation price.

    Which AI image generation API should you pick for your use case?

    Match the model to who consumes the image. Bulk internal assets go to the cheapest tier that clears your bar. Customer-facing work goes to the arena leader. Editing-heavy workflows go to Reve, not to whichever model you already use for generation.

    Use case Pick Why 10,000 images
    Direct Imagen 4 replacement Gemini 3.1 Flash Lite Image Cheaper than the tier you lost, minimal code change $336
    Highest possible quality GPT Image 2 (high) 1,370 Elo, the arena leader $1,650–$2,110
    Bulk catalog / e-commerce FLUX.2 [klein] 4B Lowest floor price from a major lab from $140
    Internal previews, thumbnails GPT Image 2 (low) $0.005 per image, same API as your high tier $50–$60
    Image editing at scale Reve 2.1 fast edit Top editing Elo, ~$0.007 per edit ~$70
    Offline / overnight jobs Gemini 3.1 Flash Lite, batch 50% batch discount, no quality change ~$168
    4K marketing assets Gemini 3 Pro Image $0.24 at 4K, cheaper than GPT Image 2 high $2,400 at 4K

    Frequently asked questions

    Can I still call the Imagen 4 API?

    No. Google shut down the standard, ultra and fast endpoints on August 17, 2026. Once a model is shut down it is fully off — requests fail rather than degrade.

    What is the cheapest AI image generation API in 2026?

    GPT Image 2’s low-quality tier at $0.005–$0.006 per image is the cheapest from a top-tier lab. Among models that hold a competitive arena score, FLUX.2 [klein] 4B from $0.014 and Gemini 3.1 Flash Lite Image at $0.0336 lead.

    Is Nano Banana 2 the same as Gemini 3.1 Flash Image?

    Yes. Nano Banana 2 is the informal name for Gemini 3.1 Flash Image, listed on the arena as Gemini 3.1 Flash Image Preview. Nano Banana Pro refers to Gemini 3 Pro Image.

    Why did my Google image bill go up after migrating?

    Because Google’s recommended target, Gemini 3.1 Flash Image, costs $0.067 per 1K image versus Imagen 4 Standard’s $0.04 — a 67.5% increase. Switching to Flash Lite Image instead brings you to $0.0336.

    Does resolution change the price?

    Yes, because Gemini bills images by output token. On Flash Image, 0.5K costs $0.045, 1K costs $0.067, 2K costs $0.101 and 4K costs $0.151. Do not request 4K for assets you display at 800 pixels.

    Is GPT Image 1 still safe to build on?

    No. GPT Image 1 is scheduled for deprecation on October 23, 2026. Anything new should target GPT Image 2 directly.

    Should I self-host an open-weights image model instead?

    Only above roughly 100,000 images a month, once GPU amortization beats per-image API pricing. We ran that calculation for language models in the real cost of self-hosting Qwen3.8-Max, and the crossover logic is identical.

    The bottom line

    Migrate to Gemini 3.1 Flash Lite Image, not Gemini 3.1 Flash Image. It costs $0.0336 per 1K image against Flash Image’s $0.067 and Imagen 4 Standard’s old $0.04. You end up 16% cheaper than before the shutdown, while Google’s recommended path leaves you 67.5% more expensive.

    The 30 Elo points you surrender — 1,291 versus 1,321 — are invisible in catalog images, thumbnails and background art. That is where the volume lives.

    Reserve GPT Image 2 (high) for the images a paying customer actually looks at. At $0.165 to $0.211 each, it is a marketing line item, not an infrastructure one.

    If your workload is edit-heavy, move it to Reve 2.1’s fast edit endpoint at roughly $0.007 per call. It holds the top editing score at 1,263 Elo and costs a fraction of the v2 endpoint the same vendor sells.

    One rule beats all of this: bill by tier, not by brand. The gap between a provider’s cheapest and priciest tier is 42x. The gap between providers at the same tier is rounding error. Vendors keep proving that — as we saw when DeepSeek raised prices up to 1,100% overnight. Price your pipeline on the tier, and the brand stops mattering.

    Sources

  • Sora 2 Alternatives: Cheapest AI Video API Before the Sept 24 Sunset

    Sora 2 alternatives are now a deadline, not a preference. OpenAI kills the Sora API on September 24, 2026 — 38 days away. The cheapest replacement is Veo 3.1 Lite at $0.03 per second, video-only. For audio-native output, Veo 3.1 Lite runs $0.05. For visual quality per dollar, Kling 3.0 at $0.084 already beat Sora 2’s $0.10. Migrate now.

    OpenAI is walking away from video. That is the story buried inside a support-page sentence, and it forces every product team still calling the Sora endpoint to pick a replacement before the end of September.

    The good news for your budget: the market moved past Sora while OpenAI was deciding to leave it. The replacements are cheaper, longer, and in several cases score higher with human raters.

    Why is the Sora 2 API shutting down, and when?

    OpenAI confirmed the timeline in its own help center: the Sora web and app experiences were discontinued on April 26, 2026, and the Sora API will be discontinued on September 24, 2026. After a stated export window, OpenAI will permanently delete data associated with your Sora usage.

    What OpenAI is actually deleting

    This is not a version bump. There is no Sora 3 waiting behind it. OpenAI’s discontinuation notice offers no replacement product and instead points users to sora.chatgpt.com/sunset to export their generations.

    Unused Sora credits can be redirected toward other OpenAI services such as Codex. That is a tell. OpenAI is reallocating spend toward agents and coding, the same direction we tracked when Meta shipped Muse Spark at 4x cheaper coding economics.

    Why Sora lost

    Sora stopped appearing on public video leaderboards well before the sunset was announced. On the Artificial Analysis text-to-video arena — blind human voting — the August 2026 top three are Gemini Omni Flash at roughly 1,238–1,245 Elo, MiniMax H3 at 1,235–1,242, and ByteDance’s Seedance 2.0 at 1,220–1,225.

    Sora 2 is not in that list. It is not in the top ten. A model that is neither cheapest nor best is a model with no reason to exist.

    Which Sora 2 alternatives are cheapest per second?

    Veo 3.1 Lite is the cheapest credible option at $0.03 per second video-only and $0.05 with native audio. Kling 3.0 Standard sits at $0.084, and ByteDance’s brand-new Seedance 2.5 lists from $0.1028. Sora 2’s old $0.10 rate is now mid-pack, not competitive.

    Model Price/sec (video only) Price/sec (with audio) Notes
    Veo 3.1 Lite $0.03 $0.05 720p; cheapest audio-native option
    Runway Gen-4 Turbo $0.05 5 credits/sec, no native audio
    Kling 3.0 Standard $0.084 $0.126 720p; $0.112–$0.168 at 1080p
    Veo 3.1 Fast $0.10 $0.15 720p production tier
    Sora 2 (dying) $0.10 n/a 720p; $0.05 batch. Off Sept 24
    Seedance 2.5 from $0.1028 optional Released Aug 7, 2026; 30s clips
    Kling 3.0 Turbo $0.112 $0.56 per 5-second clip
    Runway Gen-4.5 $0.12 12 credits/sec
    FLUX 3 Video $0.17 included 20s clips, native dialogue
    Veo 3.1 Quality $0.20 $0.40 720p/1080p flagship
    Sora 2 Pro (dying) $0.30–$0.70 n/a 720p to 1080p
    Sources: CometAPI pricing index (updated Aug 16, 2026), CostGoat Veo and Sora calculators, OpenRouter model pages, Renderful Kling pricing.

    Read that table as a verdict, not a menu. Sora 2 was charging $0.10 per second for a model that did not rank, while Google was selling audio-native video at half the price.

    Is the cheapest AI video API also the best?

    No — but the gap is smaller than the price gap. Veo 3.1 ranks around #11 overall on the Artificial Analysis arena despite being the cheapest audio-native option. Kling 3.0 1080p Pro sits at 1,107 Elo and Kling 3.0 720p at 1,099, both inside the top ten while costing under $0.13 per second.

    What the arena actually measures

    The Artificial Analysis leaderboard is blind human preference voting, not a technical benchmark. It rewards prompt adherence and perceived realism. It does not measure API reliability, rate limits, or how a model handles your specific reference images.

    Rankings also move weekly. Alibaba’s Wan2.7 sits at 1,158 Elo and Skywork’s SkyReels V4 at 1,103 — close enough that a single release reshuffles the middle of the board.

    Which Sora 2 alternative should you pick for your use case?

    Match the model to the job, not the leaderboard. Audio-synced marketing video goes to Veo 3.1. Multi-shot narrative sequences go to Kling 3.0. Image-anchored generation goes to Seedance. High-volume social clips go to Veo 3.1 Lite, where the per-second price is the whole argument.

    Your Sora 2 use case Migrate to Cost for a 10s clip Why
    High-volume social clips Veo 3.1 Lite $0.50 with audio Half of Sora 2’s rate, audio included
    Ads and audio cinematics Veo 3.1 Quality $4.00 with audio Always-on audio, 4K available
    Multi-shot storytelling Kling 3.0 $0.84–$1.26 Native support for up to 6 labeled shots
    Image-to-video fidelity Seedance 2.5 ~$1.03 Up to 50 reference assets; 30s single takes
    Long-form dialogue scenes FLUX 3 Video $1.70 20s clips with native dialogue
    Cheapest possible pipeline Veo 3.1 Lite (no audio) $0.30 $0.03/sec is the floor right now
    Batch jobs you ran overnight Veo 3.1 Lite $0.30–$0.50 Matches Sora 2’s $0.05 batch rate
    Clip costs calculated from the per-second rates in the table above.

    How much does migrating off Sora 2 actually cost?

    For most teams, migration is a price cut. At 1,000 ten-second clips per month — a modest content pipeline — Sora 2 at $0.10 per second cost $1,000. Veo 3.1 Lite with audio costs $500 for the same volume. The exceptions are batch users and Sora 2 Pro users.

    • Sora 2 standard, 1,000 clips × 10s: $1,000/month. Veo 3.1 Lite: $500. You save $6,000 a year.
    • Sora 2 batch at $0.05/sec: $500/month. Veo 3.1 Lite with audio matches it exactly at $0.05 — a wash, and you gain audio.
    • Sora 2 Pro 1080p at $0.70/sec: $7,000/month. Veo 3.1 Quality with audio at $0.40: $4,000. That is a 43% cut.
    • Kling 3.0 Standard route: $840/month, plus a separate audio step that Veo bundles for free.
    • Seedance 2.5 route: roughly $1,028/month — slightly above Sora 2, but you get 30-second single takes instead of short clips.

    The engineering cost is the real line item. Budget two to four days of developer time for endpoint changes, prompt re-tuning, and regression checks on your existing library.

    Is Veo 3.1 Quality worth 4x the price of Kling 3.0?

    Only if audio is non-negotiable. Veo 3.1 Quality with audio costs $0.40 per second against Kling 3.0 Standard’s $0.084 — a 4.8x premium. Veo is the only major model shipping native audio inside the video output. Every alternative needs a separate audio generation step.

    That separate step is not free. It adds latency, a second vendor, and a sync problem. If you are producing narrated ads, Veo’s bundled audio is worth the premium.

    If you are producing silent B-roll, product loops, or background video, paying $0.40 for audio you will mute is the single worst decision available in this market. Use Veo 3.1 Lite at $0.03 and keep the difference.

    How do you migrate off Sora 2 without breaking production?

    Export first, then swap endpoints, then re-tune prompts. The export window is the only irreversible deadline — OpenAI deletes Sora-associated data after it closes. Everything else can be fixed after September 24. Losing your generation history cannot.

    1. Export today. Pull your full Sora library from the sunset page before the window closes. This takes an hour and cannot be undone later.
    2. Inventory your prompts. Sora prompts do not transfer cleanly. Veo and Kling weight camera language and shot structure differently.
    3. Run a 20-clip bake-off. Generate the same 20 prompts on Veo 3.1 Lite, Kling 3.0, and Seedance 2.5. At these prices the whole test costs under $30.
    4. Check audio separately. If you pick Kling or Seedance, price your audio vendor into the per-second math before you commit.
    5. Keep a second provider wired. Sora’s shutdown is the argument for never having one video vendor again.

    Frequently asked questions about Sora 2 alternatives

    When exactly does the Sora 2 API stop working?

    September 24, 2026, per OpenAI’s own help center. The consumer app already shut down on April 26, 2026.

    Is there a Sora 3 coming?

    OpenAI has announced no replacement video model. Its discontinuation notice offers no successor product and suggests redirecting unused credits to services like Codex.

    What is the cheapest Sora 2 alternative?

    Veo 3.1 Lite at $0.03 per second video-only, or $0.05 with native audio. That is half of Sora 2’s $0.10 standard rate.

    Which AI video model ranks highest right now?

    Gemini Omni Flash leads the Artificial Analysis text-to-video arena at roughly 1,238–1,245 Elo, followed by MiniMax H3 and ByteDance’s Seedance 2.0 at about 1,220–1,225.

    Is Seedance 2.5 worth switching to?

    If you work from reference images. Released August 7, 2026, it accepts up to 50 image, video, and audio reference assets and generates 30-second single takes, listed from $0.1028 per second on OpenRouter.

    Do I lose my old Sora videos?

    Yes, unless you export them. OpenAI states it will permanently delete data associated with your Sora usage after the export window closes.

    Which model has native audio built in?

    Veo 3.1 across all tiers, Kling 3.0 at a $0.042 per-second premium, and FLUX 3 Video, which ships native dialogue in its 20-second clips.

    The bottom line

    Migrate to Veo 3.1 Lite. At $0.05 per second with native audio, it is half of what Sora 2 charged without audio, and it matches Sora 2’s batch rate at full standard pricing. For 90% of teams that is the answer, and the migration pays for itself in the first month.

    Choose Kling 3.0 instead if you need multi-shot narrative control and already own an audio pipeline. Choose Seedance 2.5 if your workflow is image-anchored and 30-second takes matter more than $0.02 per second.

    Choose Veo 3.1 Quality only when a client is paying for broadcast-grade audio cinematics. At $0.40 per second it is 13x the price of the Lite tier.

    The larger lesson is the one we flagged when DeepSeek raised prices up to 1,100% overnight: inference pricing is not a stable input. Sora went from flagship to deleted in sixteen months. Build your stack so the next sunset costs you a config change, not a quarter.

    Related reading: Gemini 3.7 Flash vs Claude Sonnet 5 on cost per coding point and the real cost of self-hosting open-weights models.

    Sources


  • Gemini 3.7 Flash vs Claude Sonnet 5: Which Wins on Cost Per Coding Point?

    Gemini 3.7 Flash vs Claude Sonnet 5 comes down to one number: cost per benchmark point. Google’s new workhorse matches Sonnet 5 on production coding evals while listing at $0.75/$3.75 per million tokens against Anthropic’s $2/$10. That is roughly 2.7x cheaper for equal-or-better coding output. Sonnet 5 still wins on the hardest reasoning tests. For agent workloads that burn tokens all day, Flash wins on money.

    Google shipped Gemini 3.7 Flash on August 13, 2026 — three weeks after Gemini 3.6 Flash. The release matters less as a launch and more as a repricing event. When a cheap model closes the coding gap with a premium model, every AI budget line gets renegotiated.

    We priced all three frontier options against their published benchmarks using vendor list prices. The result is not close.

    How much does Gemini 3.7 Flash cost compared to Claude Sonnet 5?

    Gemini 3.7 Flash lists at $0.75 per million input tokens and $3.75 per million output through December 31, 2026, per Google’s official Gemini API pricing page. Claude Sonnet 5 lists at $2.00 and $10.00. On an 80/20 input-output mix, that is $1.35 versus $3.60 per million tokens.

    Anthropic also settled a question that had been hanging over Sonnet 5’s price. Its pricing documentation now states that the introductory $2/$10 rate is permanent and the scheduled September 1, 2026 increase to $3/$15 “will not occur.”

    That was a defensive move. It did not close the gap.

    The full price and spec comparison

    Model Input / 1M Output / 1M Blended (80/20) Context Batch in / out
    Gemini 3.7 Flash $0.75 $3.75 $1.35 1M in / 64K out $0.375 / $1.875
    Gemini 3.7 Flash (from Jan 1, 2027) $1.50 $7.50 $2.70 1M in / 64K out $0.75 / $3.75
    Claude Sonnet 5 $2.00 $10.00 $3.60 1M at standard rate $1.00 / $5.00
    GPT-5.6 Terra $1.00 $6.00 $2.00 Long-context tier priced separately
    GPT-5.6 Sol $2.50 $15.00 $5.00 Long-context tier priced separately
    Claude Opus 5 $5.00 $25.00 $9.00 1M at standard rate $2.50 / $12.50
    Sources: Google Gemini API pricing, Anthropic pricing docs, OpenAI API pricing (August 2026).

    The January 1, 2027 price cliff

    Google’s $0.75 rate is introductory. On January 1, 2027 it doubles to $1.50/$7.50, which lifts the blended cost to $2.70.

    Even then, Flash stays 25% under Sonnet 5. But the deepest discount window is four and a half months wide, and it is the single best arbitrage on the table right now.

    The tokenizer tax nobody prices in

    Anthropic’s documentation carries a note most comparison tables ignore: Claude 4.7 and later models use a newer tokenizer that “produces approximately 30% more tokens for the same text.”

    Sticker price is per token. Your bill is per document. If that 30% applies to your workload, Sonnet 5’s effective cost per page of English moves closer to $4.70 blended — over 3x Flash’s introductory rate.

    Gemini 3.7 Flash vs Claude Sonnet 5: which is better for coding?

    Flash wins on production coding and agentic execution; Sonnet 5 wins on long-horizon reasoning. On Google’s published model-card comparisons, Flash takes FrontierCode 1.1 at 43.6% against Sonnet 5’s 42.7%, and crushes it on AutomationBench, 30.4% to 10.7%. Sonnet 5 answers on GDPval and Agent’s Last Exam.

    The benchmark table below is vendor-stated from Google’s model card, tabulated independently by DataCamp and other outlets. Treat first-party numbers with the usual skepticism — but they are consistent across sources.

    Benchmark Gemini 3.7 Flash Claude Sonnet 5 GPT-5.6 Terra
    FrontierCode 1.1 (production code) 43.6% 42.7% 41.3%
    DeepSWE v1.1 (long-horizon SWE) 65.3% 53.8% 69.6%
    Terminal-bench 2.1 85.8% 80.4% 87.4%
    WebDev Arena (Elo) 1588 1541 1523
    AutomationBench 30.4% 10.7% 23.6%
    GDPval-AA v2 (Elo) 1525 1598 1578
    GDM-MRCR v2, 128k (recall) 97.0% 81.5% 93.5%
    Agent’s Last Exam 26.3% 33.3% 28.0%
    Vendor-stated scores from Google’s Gemini 3.7 Flash model card, August 13, 2026.

    Cost per benchmark point: the number that decides it

    Divide blended cost by score and the argument ends.

    • FrontierCode 1.1: Flash costs $0.031 per point. Sonnet 5 costs $0.084. Terra costs $0.048.
    • DeepSWE v1.1: Flash $0.021 per point, Terra $0.029, Sonnet 5 $0.067.
    • AutomationBench: Flash delivers 2.8x Sonnet 5’s score at 37% of the price.
    • Long-context recall (MRCR 128k): Flash leads by 15.5 points and costs 63% less.

    Sonnet 5 is charging a 2.7x premium to lose a coding benchmark by 0.9 points. That is not a defensible position in a procurement meeting.

    Where Claude Sonnet 5 still earns its price

    Two places. Sonnet 5 leads GDPval-AA v2 at 1598 Elo against Flash’s 1525 — that benchmark tracks economically valuable knowledge work, not code. It also leads Agent’s Last Exam, 33.3% to 26.3%.

    If your workload is legal analysis, financial modeling, or research synthesis rather than shipping code, the premium is arguable. If it is code, it is not.

    How does GPT-5.6 Terra change the math?

    Terra is the quiet value play, and most launch-day comparison tables mispriced it. OpenAI’s official pricing page lists gpt-5.6-terra at $1.00 input and $6.00 output per million, with a separate long-context tier at $2.00/$9.00 — not the $2.00/$12.00 figure that circulated all week.

    At the correct list price, Terra blends to $2.00 per million. It also posts the best DeepSWE v1.1 score in the group at 69.6% and the best Terminal-bench 2.1 at 87.4%.

    Terra’s cached input runs $0.10 per million, half of Anthropic’s $0.20 cache-hit rate for Sonnet 5. For retrieval-heavy agents replaying the same system prompt thousands of times a day, that difference compounds fast.

    What does this actually cost at production volume?

    Take a mid-size agent workload: 500 million input tokens and 100 million output tokens per month. That is a realistic footprint for a coding assistant serving a 50-engineer team. The spread between the cheapest and most expensive option is $4,250 a month.

    Model Monthly cost Annualized vs. Sonnet 5
    Gemini 3.7 Flash (intro) $750 $9,000 −$15,000/yr
    GPT-5.6 Terra $1,100 $13,200 −$10,800/yr
    Gemini 3.7 Flash (2027 rate) $1,500 $18,000 −$6,000/yr
    Claude Sonnet 5 $2,000 $24,000
    GPT-5.6 Sol $2,750 $33,000 +$9,000/yr
    Claude Opus 5 $5,000 $60,000 +$36,000/yr
    Calculated from vendor list prices at 500M input / 100M output tokens per month.

    Batch processing cuts all of it roughly in half. Gemini 3.7 Flash drops to $0.375/$1.875 through year-end; Sonnet 5 drops to $1.00/$5.00. The ranking does not change.

    Which model should you use for which job?

    Match the model to the failure mode you can least afford. Coding agents that run unsupervised for hours need throughput and cheap retries. Client-facing analysis needs reasoning depth. Nothing here is a universal answer, and paying Opus prices for autocomplete is how AI budgets die.

    Use case Best choice Why
    High-volume coding agents Gemini 3.7 Flash Top FrontierCode score at 37% of Sonnet 5’s blended price
    Long-horizon autonomous SWE GPT-5.6 Terra Leads DeepSWE (69.6%) and Terminal-bench 2.1 (87.4%)
    Front-end and web generation Gemini 3.7 Flash WebDev Arena Elo 1588, ahead of both rivals
    Legal, financial, research synthesis Claude Sonnet 5 Top GDPval-AA v2 Elo at 1598
    Million-token document pipelines Gemini 3.7 Flash 97.0% MRCR recall at 128k, cheapest per token
    Hardest reasoning, cost no object Claude Opus 5 Frontier tier — $9.00 blended, use sparingly
    Bulk offline processing Gemini 3.7 Flash (batch) $0.375 / $1.875 through Dec 31, 2026

    Is switching to Gemini 3.7 Flash worth it in 2026?

    Yes, if your token spend clears roughly $1,000 a month. Below that, migration engineering costs more than it saves. Above it, the savings compound — and Google’s three-week release cadence means the model you migrate to keeps improving without a renegotiation.

    The strategic read is bigger than one model. Frontier-tier coding capability is commoditizing on a quarterly clock, and price is the only lever customers can still feel. We saw the other side of that trade this week when DeepSeek raised prices by up to 1,100% overnight — the cheap-inference era is being rationed, not extended.

    Anthropic is spending to stay in the fight. It reached a $2 trillion valuation and put $6 billion into getting cheaper. Cancelling the September price increase is the visible half of that strategy.

    One caution before you point an agent at production: capability and autonomy scale together. The same agentic execution that makes Flash cheap to run is what let an AI agent crack 85 accounts in four days. Sandbox accordingly.

    Frequently asked questions

    Is Gemini 3.7 Flash actually cheaper than Claude Sonnet 5?

    Yes. $0.75/$3.75 per million tokens versus $2.00/$10.00 — about 2.7x cheaper on an 80/20 blend. The introductory rate holds through December 31, 2026, then doubles to $1.50/$7.50.

    Does Gemini 3.7 Flash beat Claude Sonnet 5 at coding?

    On Google’s published card, yes — narrowly on FrontierCode 1.1 (43.6% vs 42.7%), decisively on DeepSWE v1.1 (65.3% vs 53.8%) and AutomationBench (30.4% vs 10.7%). GPT-5.6 Terra still leads DeepSWE overall at 69.6%.

    What is Gemini 3.7 Flash’s context window?

    One million input tokens and up to 65,536 output tokens, with a March 2026 knowledge cutoff. Claude Sonnet 5 also offers a 1M-token window at standard per-token pricing.

    Did Claude Sonnet 5’s price go up on September 1, 2026?

    No. Anthropic’s documentation confirms the scheduled increase to $3/$15 per million tokens will not occur. The $2/$10 introductory rate is now the standard price.

    How much does GPT-5.6 Terra cost?

    $1.00 input and $6.00 output per million tokens on the standard tier, with a long-context tier at $2.00/$9.00. Cached input is $0.10 per million.

    Where can I use Gemini 3.7 Flash today?

    Google AI Studio, Android Studio, Google Antigravity, the Gemini Enterprise Agent Platform, and Gemini Spark for AI Pro and Ultra subscribers across 160+ countries.

    Should I run one model or mix them?

    Mix. Route bulk coding and document work to Flash, long-horizon autonomous tasks to Terra, and high-stakes analysis to Sonnet 5. Routing the majority of calls to the cheapest capable tier is where the savings actually come from.

    The bottom line

    Default to Gemini 3.7 Flash for coding and agent workloads. It wins or ties on the coding benchmarks that map to shipped software, costs $1.35 blended against Sonnet 5’s $3.60, and saves a 50-engineer team roughly $15,000 a year at the volumes above.

    Keep Claude Sonnet 5 for the narrow band where it leads: GDPval-style knowledge work and Agent’s Last Exam reasoning. Keep GPT-5.6 Terra for long-horizon autonomous engineering, where its 69.6% DeepSWE score is worth the extra $0.65 per million blended.

    And put a calendar reminder on December 31, 2026. That is when Google’s discount ends and this entire calculation gets re-run. The labs are shipping every three weeks now — the money chasing this market guarantees the next repricing is already in the pipeline.

    Sources

  • DeepSeek Price Increase: Up to 1,100% Overnight — The AI Price War Just Died

    DeepSeek Price Increase: Up to 1,100% Overnight — The AI Price War Just Died

    Eleven hundred percent.

    That is the top-end figure buried in the DeepSeek price increase that takes effect on Sunday, August 16, 2026 — and it comes from the one company in artificial intelligence whose entire global reputation was built on being impossibly, almost suspiciously cheap.

    For eighteen months, DeepSeek was the argument. Every time someone said frontier AI was structurally expensive, someone else pointed at Hangzhou and said: no, it isn’t — they’re doing it for pennies. That argument moved markets. It rewrote capex assumptions. It made a generation of investors believe inference costs would fall forever, like transistors, like bandwidth, like everything else in tech.

    On August 13, DeepSeek shipped its flagship DeepSeek V4-Pro to general availability. Three days later, it is quadrupling the price of running it.

    The direction of travel just reversed. And the reason it reversed is the most important thing in this story.


    What the DeepSeek price increase actually changes

    Strip out the percentages and look at the raw per-token numbers, because the percentages are doing a lot of theatrical work.

    For V4-Pro, output tokens go from a flat $0.87 per million to $3.96 per million during peak hours — roughly a 4.5x jump — and $1.98 per million off-peak. Cache-miss input tokens move from $0.435 per million to $1.32 peak and $0.66 off-peak.

    For the cheaper V4-Flash tier, output goes from $0.28 per million to $1.32 peak and $0.66 off-peak. Cache-miss input rises from $0.14 to $0.44 peak and $0.22 off-peak.

    The headline 1,100% figure comes from the cached input tier — the deeply discounted rate DeepSeek charged when a prompt prefix was already sitting in its KV cache. That was the single cheapest number in commercial AI, and it is where the proportional increase is most violent. Reported increases across the cached tier run from roughly 52% to 1,100%, depending on model and time of day.

    The peak/off-peak fine print nobody put in the headline

    DeepSeek did not simply raise a number. It introduced time-of-day pricing, which is a structurally different product.

    Peak windows are 01:00–04:00 and 06:00–10:00 UTC. Everything outside those seven hours is off-peak, billed at exactly half the peak rate. The company framed the change in its developer documentation as an effort to allocate resources “more reasonably” and to nudge batch workloads into quieter hours.

    That framing matters. As one analyst quoted by InfoWorld put it, 17 of every 24 hours stay at half price. A team running overnight evaluation sweeps, document ingestion, or scheduled agent runs can absorb most of this with a cron change. A team serving live user traffic in Asian business hours cannot.

    Utilities price electricity by time of day because generation capacity is finite. DeepSeek just did the same thing to tokens.

    Why DeepSeek raising prices matters more than the percentage

    There is a detail here that is easy to skim past and shouldn’t be.

    DeepSeek’s rock-bottom rates were originally promotional, scheduled to expire on May 31. The company then announced it was making those discounted rates permanent. It has now reversed that decision inside a single quarter.

    Companies do not walk back a public permanence commitment on pricing because things are going well. They do it because the unit economics moved underneath them. DeepSeek’s own stated reason — resource allocation — is a polite way of saying demand is outrunning the compute it can get its hands on.

    Reporting on the change from InfoWorld and Computerworld framed it exactly that way: prices are rising because AI demand is straining capacity. The analyst quote is almost aggressively simple: “when demand goes up, pricing goes up, because supply becomes constrained.”

    That is the part with implications far beyond one Chinese lab. The entire bull case for cheap AI has rested on an assumption that inference is a software problem that gets cheaper on a curve. What August 16 suggests is that inference is a power and silicon problem, and those curves behave differently. It is the same pressure driving Anthropic to spend $6 billion buying its way to cheaper inference rather than waiting for hardware to save it, and the same pressure behind five companies committing $650 billion of capital expenditure in a single year.

    DeepSeek has an additional constraint its Western competitors do not share: export controls. It cannot simply write a larger check to Nvidia. When a lab that cannot buy its way out of a capacity crunch starts rationing by price, that is a supply signal, not a greed signal.

    What DeepSeek V4-Pro is — and what nobody has independently verified

    The model itself is not an afterthought. V4-Pro is reportedly a 1.6-trillion-parameter mixture-of-experts system that activates only about 49 billion parameters per token — which is precisely how the old $0.87 output price was possible at all.

    DeepSeek’s own reported gains over its April preview build are large:

    • DeepSWE (software engineering): 12.8 → 62.7
    • CyberGym (vulnerability discovery): 52.7 → 83.3
    • DSBench-Hard (data science): 31.1 → 67.2
    • Terminal Bench 2.1 (agentic terminal use): 87.9
    • Humanity’s Last Exam: 42.7 out of a reported 60.0 ceiling

    The release also adds three “thinking effort” levels — low, high and max — and native Responses API support so V4-Pro can be dropped into Codex-style tooling. Alongside it, DeepSeek shipped a developer preview of DeepSeek Harness, an agentic coding harness positioned as an open competitor to Claude Code.

    Now the caveat, and it is a real one: as of publication, no third-party evaluator has replicated those scores. DeepSeek has not published the evaluation harness used to produce them. Treat every number above as a vendor claim until someone independent runs it.

    The CyberGym figure deserves particular scrutiny given how quickly frontier models are being pointed at security work — a trajectory we covered when OpenAI’s security model surfaced live Chrome vulnerabilities. A self-reported 83.3 on vulnerability discovery is either a significant capability milestone or a benchmark artifact, and right now there is no way to tell which.

    There is also a governance dimension for regulated buyers. DeepSeek’s hosted API operates under Chinese law, and no named independent security audit of V4-Pro’s weights has been published. For a US bank or hospital system, that is a procurement blocker regardless of price.

    Google went the opposite direction on exactly the same day

    Here is the contradiction that makes this week genuinely strange.

    On August 13 — the same day DeepSeek’s V4-Pro went GA with a price hike queued behind it — Google launched Gemini 3.7 Flash and cut the price in half.

    Introductory pricing is $0.75 per million input tokens and $3.75 per million output tokens, running through December 31, 2026. The model keeps a roughly 1,048,576-token context window with a 65,536-token output limit, and posts substantial coding gains: DeepSWE v1.1 from 49.0% to 65.3%, FrontierCode 1.1 from 34.4% to 43.6%, AutomationBench from 17.0% to 30.4%, and a 1,588 rating on WebDev Arena.

    Read the fine print, though. That discount has an expiry date. On January 1, 2027, the list price reverts to $1.50 and $7.50 — double. Google isn’t claiming a permanent cost breakthrough. It is running a limited-time land grab and telling you so in the terms.

    OpenAI did something structurally similar in late July, cutting GPT-5.6 Luna’s price by roughly 80% as enterprise buyers grew visibly cost-sensitive.

    So the picture is not “AI is getting more expensive.” The picture is: the players with hyperscale balance sheets and their own data centers are still buying market share with subsidized tokens, and the player without those things just stopped being able to.

    The money: who actually eats a 4x inference bill

    Percentage increases land unevenly, and the distribution is the story.

    The hardest hit are the businesses whose entire margin structure was underwritten by DeepSeek’s cached-input rate: retrieval-heavy products that stuff the same 100,000-token corpus into every request, AI wrapper startups whose pricing pages promise unlimited usage, and agentic products that burn output tokens in long reasoning chains. A 4.5x output increase against a fixed subscription price is not a cost problem; it is a business model problem.

    Least affected are batch-tolerant enterprises. Overnight ETL, nightly code review, offline document classification — all of it can be scheduled into the 17 off-peak hours, where the effective increase is roughly half the headline.

    Quietly advantaged: Google, OpenAI and Anthropic. Every enterprise procurement team that built a cost model on DeepSeek’s permanence promise now has to rebuild it, and rebuilding is when vendors get switched. The context here is worth remembering — this is the same market where developers are already paying $200 a month for frontier access and questioning what they get for it.

    Even after the increase, DeepSeek is not expensive in absolute terms. Comparable output pricing at Moonshot’s Kimi K3 has been reported around $15 per million tokens and OpenAI’s GPT-5.6 Sol around $30, with premium Anthropic tiers reported far higher still. DeepSeek’s $3.96 peak remains an order of magnitude below the top of the market. But OpenAI’s budget GPT-5.6 Luna reportedly undercuts DeepSeek’s Flash tier at peak — and that is new. For the first time, the cheap-tier crown is contested.

    The counterargument: this may be less apocalyptic than it looks

    Honesty requires acknowledging that “1,100%” is the most misleading number in this story.

    It applies to the cached-input tier, the smallest line item on most bills, and only at peak. On blended real-world workloads, most teams will see something closer to a 2x to 3x increase — meaningful, but not existential, and starting from a base so low that the absolute dollars are still small for anyone below serious scale.

    Second, off-peak pricing is a genuine option, not a rhetorical dodge. Seventeen hours a day at half price is a real lever for anyone whose latency requirements are loose.

    Third, and most importantly: a company raising prices during a capacity crunch is behaving rationally, not desperately. Underpricing scarce compute produces queueing, degraded latency and outages. Price is the least bad rationing mechanism available. There is a plausible reading in which this is a sign of demand strength, not weakness.

    And a fourth caveat worth stating plainly: DeepSeek has not published audited unit economics. Nobody outside the company knows whether the old prices were near cost, deeply subsidized, or somewhere in between. Anyone telling you they know what this proves about the true cost of inference is guessing.

    What to watch next

    • Independent V4-Pro benchmarks. If outside evaluators reproduce the DeepSWE and CyberGym numbers, the price increase looks like confident pricing of a genuinely strong model. If they don’t, it looks like margin defense wrapped in a launch.
    • Whether rivals follow. If Alibaba’s Qwen, Moonshot or Z.ai raise prices in the next 60 days, the Chinese AI price war is structurally over. If they hold and take share, DeepSeek’s move looks idiosyncratic.
    • January 1, 2027. The date Gemini 3.7 Flash reverts to $1.50 / $7.50. If Google extends the discount, the subsidy war continues. If it lets the price double, the cheap-inference era has an official end date.
    • Off-peak utilization data. If DeepSeek’s peak windows stay saturated even after the price change, the capacity constraint is worse than disclosed.
    • Enterprise churn. Watch whether OpenRouter and similar aggregators report traffic shifting away from DeepSeek endpoints after August 16.

    Bottom line

    The DeepSeek price increase is not the story because of the number. It is the story because of the direction.

    For two years the industry has operated on an unexamined assumption that the cost of intelligence falls monotonically. This week, the company that did the most to popularize that assumption broke its own permanence pledge and started charging by the hour — the way you charge for electricity, not the way you charge for software.

    Google’s simultaneous half-price launch doesn’t refute that. It reinforces it. When only companies with their own data centers can afford to keep cutting, cheap AI stops being a technology trend and becomes a balance-sheet privilege.


    Frequently Asked Questions

    How much is the DeepSeek price increase?

    It varies by tier. V4-Pro output rises from $0.87 to $3.96 per million tokens at peak and $1.98 off-peak. V4-Flash output rises from $0.28 to $1.32 peak and $0.66 off-peak. Cache-miss input roughly doubles to triples. The widely quoted 1,100% figure applies to the cached-input tier at peak hours, which is the smallest component of most bills — blended real-world increases are typically closer to 2x–3x.

    When does the new DeepSeek API pricing take effect?

    The new rates take effect on Sunday, August 16, 2026, at 16:00 UTC, according to DeepSeek’s developer documentation. The change applies to both V4-Pro and V4-Flash on the hosted API. Existing integrations do not need code changes; the same model endpoints simply bill at the new peak and off-peak rates from that timestamp forward.

    What are DeepSeek’s peak and off-peak hours?

    Peak windows are 01:00–04:00 UTC and 06:00–10:00 UTC — seven hours total. Every other hour of the day is off-peak and billed at exactly half the peak rate. That leaves 17 of 24 hours at the discounted rate, which is why batch-tolerant workloads such as overnight evaluations, document ingestion and scheduled agent runs can absorb much of the increase by rescheduling.

    Is DeepSeek still cheaper than OpenAI and Anthropic?

    At the frontier tier, yes, and by a wide margin. DeepSeek V4-Pro’s $3.96 peak output price sits far below reported list rates for OpenAI’s GPT-5.6 Sol and premium Anthropic tiers. The exception is the budget segment: OpenAI’s GPT-5.6 Luna, cut roughly 80% in late July, reportedly undercuts DeepSeek’s V4-Flash at peak hours. That is the first serious challenge to DeepSeek’s cheap-tier position.

    What is DeepSeek V4-Pro?

    DeepSeek V4-Pro is the company’s flagship model, released to general availability on August 13, 2026. It is reportedly a 1.6-trillion-parameter mixture-of-experts architecture activating roughly 49 billion parameters per token, with three thinking-effort levels and native Responses API support. DeepSeek reports large agentic and coding gains, but no independent evaluator has replicated those benchmark scores as of publication.

    Why is DeepSeek raising prices?

    DeepSeek says the goal is to allocate resources more reasonably by shifting flexible workloads into off-peak hours. Industry reporting frames it as a capacity constraint: demand for agentic and reasoning workloads is growing faster than available compute, and export controls limit how quickly DeepSeek can add hardware. Time-of-day pricing is a rationing mechanism, the same tool utilities use for electricity.


    Sources

    Disclaimer: This article is journalism, not investment advice. It discusses company pricing, valuations and market dynamics for informational purposes only. Figures are as reported at the time of publication and may change. Nothing here is a recommendation to buy, sell or hold any security. Do your own research and consult a licensed financial professional before making investment decisions.