Security teams at a small group of vetted organizations will be the first outside Google to use Gemini 4 Carbon, the company’s new frontier model, which Google says leads three public benchmarks for finding, exploiting and patching software vulnerabilities. Everyone else waits while Google tests the model’s guardrails.

Koray Kavukcuoglu, SVP of Google DeepMind and Google’s chief AI architect, said in a blog post that access starts this week for “a subset of cyber defenders” and will widen in phases to more trusted partners through the Fairwind Program . Google is also taking part in the U.S. government’s voluntary process for pre-release model testing. Developers, businesses and consumers get Carbon “as soon as possible,” once Google has gathered more feedback on its guardrails.

The release lands two weeks after Gemini 4 Argon , whose agents beat Minecraft’s Ender Dragon in 27 hours in one experiment WebProNews covered.…