Google announced Gemini 4 Carbon on October 28, 2026, describing it as the company’s strongest frontier model, and said it will reach users through a staged rollout that begins with a subset of cyber defenders rather than a broad release. In the announcement, Koray Kavukcuoglu, SVP of Google DeepMind and Chief AI Architect at Google, characterized Carbon as the company’s strongest model, with state-of-the-art cybersecurity and long-horizon capabilities. Carbon succeeds Gemini 4 Argon, which…