Google Opens Gemini 4 Carbon to All Paying Developers
Google has opened Gemini 4 Carbon, its strongest model, to all paying developers and Google AI Ultra subscribers, ending a two-week restriction to cybersecurity defenders in its Fairwind Program. Carbon keeps Gemini 4 Argon's introductory pricing of $2/$10 per 1M input/output tokens but spends more tokens on reasoning and verification, ranking first on CursorBench 4.0, WANDR and AutomationBench at less than half the per-task cost of the next-best outside model.
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Rohan Paul (@rohanpaul_ai) · 2026-11-10 17
Google opened Gemini 4 Carbon, its strongest model, to all paying developers and Google AI Ultra subscribers.
That ends 2 weeks of access limited to cybersecurity defenders in Google’s Fairwind Program.
Carbon launches at Gemini 4 Argon’s introductory price of 10 per 1M input/output, but spends more tokens reasoning and verifying.
Carbon ranks first on CursorBench 4.0, WANDR and AutomationBench at less than half the per-task cost of the next-best outside model.
