Models New
Google makes Gemini 4 Carbon available to paying developers and Ultra subscribers, at Argon's price
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Google made Gemini 4 Carbon, which it calls its strongest model, available on 10 November to developers, enterprises, scientists and consumers. Two weeks earlier Google had released Carbon only to a set of cybersecurity defenders through its Fairwind Program; Gemini 4 Argon remains the default choice for most coding and knowledge work, Google says.
Carbon is on the paid tier of the Gemini API in Google AI Studio and Android Studio and in Gemini for business, at the same introductory price as Argon, $2 per million input tokens and $10 per million output tokens. It is rolling out to Google AI Ultra subscribers in the Gemini app, AI Mode in Search and Google Antigravity, where Google is previewing a /swarm feature that turns one prompt into a team of coordinated agents.
Google says Carbon ranks first on CursorBench 4.0, Perplexity's WANDR and Zapier's AutomationBench at less than half the cost per task of the next best outside model, and second on a new Multimodal Knowledge Agent benchmark built with Artificial Analysis. On safety, Google reports that its safeguards cut the per-attempt breach rate in simulated cyberattack tests to 0.8%, from 3.1% for Argon, and that Carbon passed 92% of a 375-task agentic honesty benchmark, against 70% for Argon.
Caveat. Benchmark, cost and safety figures are Google's own claims or results from evaluations it selected; no independent comparison was found in this window. The broader cyber version stays restricted to the Fairwind Program.
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