Google's Gemini 4 Carbon is announced, but only cyber defenders have it so far

Google announced Gemini 4 Carbon on 28 October 2026, calling it "our strongest model with state-of-the-art cybersecurity and long horizon capabilities." The catch is who can use it. The company said that, starting that week, Carbon goes to a subset of cyber defenders, with access phased in gradually to more trusted partners through its Fairwind Program. That is an announcement with limited access, not a public launch. Private or trusted-partner access does not meet the test for general availability. The forecast leans against a public release between Monday 2 November and Sunday 8 November. Google also said it is actively engaged in the U.S. government's voluntary process for pre-release model testing. It said it is still gathering feedback and iterating on guardrails before making Carbon available to developers, businesses and consumers through its product surfaces "as soon as possible." That wording gives no date for the next step. There is a counterargument. Google has published introductory pricing of $2 per million input tokens and $10 per million output tokens, the same as Argon. Pricing like that can point to a launch not far off. Even so, a single week is a narrow window, and the supplied record gives no date for wider access. The thing to watch is any Google notice that opens Carbon to developers or consumers, including open beta or waitlist sign-ups. That would change the picture quickly.