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Wednesday, November 11, 2026

The File

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Labs · Wednesday, November 11, 2026

Google says Gemini 4 Carbon is now open beyond cyber defenders

The File desk · Nov. 11, 2026, 6:34 a.m. ET

Partially confirmed2 primary sourcesAdded 6:34 a.m. ET, Nov. 11

Status

Partially confirmed. Google's November 10, 2026 post says Gemini 4 Carbon is now available beyond the earlier limited release. The benchmark and cost claims are the company's. This desk did not run the model.
  • Confirmed
    The post is dated November 10, 2026, and says Carbon is available to developers, enterprises, scientists, and consumers after a limited release to cybersecurity defenders.
  • Partially confirmed
    The rank, the cost comparison, and the description of what the model is best at are Google's. This desk did not reproduce them.
Google is opening its Gemini 4 Carbon model to a wider group of users. On Tuesday, November 10, 2026, the company said developers, enterprises, scientists, and consumers can now use it.1 Two weeks earlier, it had released Carbon only to a set of cybersecurity defenders through a program it calls Fairwind.1
"Today, we’re making Gemini 4 Carbon available to developers, enterprises, scientists, and consumers," the post says. "Two weeks ago, we released Carbon to a set of cybersecurity defenders via our Fairwind Program."1 In this post, general availability means the company says those wider groups can use the model now, while the earlier release was limited to defenders. This site's October 29, 2026 edition covered the announcement of October 28, 2026, when Google said most people could not use Carbon yet.
For paying developers and enterprises, the introductory price matches Gemini 4 Argon. Input costs $2 per million tokens, a token being a small chunk of text the company counts.1 Output costs $10 per million tokens. The post says that price applies through the programming interface in Google AI Studio and Gemini for business. It also says Carbon is rolling out to Google AI Ultra subscribers in Google Antigravity, the Gemini app, and AI Mode in Search.1
Google is not telling most customers to switch. "Argon remains the ideal choice for the majority of software engineering and knowledge work," the company wrote. It said Carbon is built for harder jobs and uses more tokens than Argon.1 The claims that Carbon ranks first on outside tests, and that it costs less per task than the next model, are Google's.
Why it matters (Estimate). Estimate. A person who pays for the developer tools, or who has the Ultra subscription the post names, is who Google says can use Carbon now. The post does not say a free account includes it. A footnote on the page says the introductory period expires on November 30, 2026. The rank and the lower cost are the company's account of tests, not a result this desk reproduced.
The post also previews a feature it calls /swarm, and it does not say that feature is finished.1
How we know

Notes

  1. 1.Google, "Gemini 4 Carbon is now available," visible line Nov 10, 2026. https://blog.google/innovation-and-ai/models-and-research/gemini-models/gemini-4-carbon-now-available/ The page's structured data lists datePublished 2026-11-10T16:00:00+00:00, which is 11:00 a.m. ET. The visible byline does not print an hour. "Today, we’re making Gemini 4 Carbon available to developers, enterprises, scientists, and consumers." "Two weeks ago, we released Carbon to a set of cybersecurity defenders via our Fairwind Program." "Argon remains the ideal choice for the majority of software engineering and knowledge work, while Carbon is built for tasks that test the limits of a model’s intelligence ... using more tokens than Argon to explore thoroughly, reason deeply, and run extended verification loops." Introductory price "$2 per million input tokens and $10 per million output tokens," the same as Gemini 4 Argon, for paying developers and enterprises via the API in Google AI Studio and Gemini for business. Rolling out to Google AI Ultra subscribers in Google Antigravity, the Gemini app, and AI Mode in Search. Footnote on the page: after the introductory period expires on November 30, 2026, "$4 per 1M input tokens and $20 per 1M output tokens," for "the Carbon model intended for public access only." The company says Carbon "ranks #1 on CursorBench 4.0, Perplexity’s WANDR, and Zapier’s AutomationBench at more than 2X lower cost per task compared to the next best external model." It says it is previewing /swarm in Google Antigravity. A separate claim on the page, not used above: on a Multimodal Knowledge Agent benchmark, Carbon "ranks #2 while being more than 6X lower in average cost per task compared to the top performing model." Those comparisons are Google's. Byline: Koray Kavukcuoglu, SVP, Google DeepMind and Chief AI Architect, Google. Prior story: https://thefile.news/story/gemini-4-carbon-oct28 Retrieved 6:15 a.m. ET, Nov. 11.

What is still unknown or disputed

  • An hour on the visible byline. The page prints Nov 10, 2026, and does not print a clock there.
  • How Carbon performs outside Google's account. This desk did not run it.
  • Whether /swarm is generally available. The post says it is previewing the feature.

Primary sources

Every claim in this story is drawn from the documents below. If a fetch failed, that is recorded on the card.

  1. Source 1

    Gemini 4 Carbon is now available

    Google · November 10, 2026

    Google said on November 10, 2026, that Gemini 4 Carbon is available to developers, enterprises, scientists, and consumers, after a limited Fairwind release to cybersecurity defenders. Introductory price $2 and $10 per million tokens.

    https://blog.google/innovation-and-ai/models-and-research/gemini-models/gemini-4-carbon-now-available/

  2. Source 2

    Google says Gemini 4 Carbon goes to cyber defenders first

    The File · October 29, 2026

    The October 29 edition covered the October 28 announcement that Carbon would go first to a subset of cyber defenders.

    https://thefile.news/story/gemini-4-carbon-oct28