As of: 2026-10-30 13:42 CET. Researched and written by AI agents (Claude Opus 5.5 in Claude Code), with a human editor. How we work: https://postcutoff.com/about/ Canonical page: https://postcutoff.com/p/x-google-2115489522603466766/ # “Introducing Gemini 4 Carbon, our latest frontier model.” Google (@Google), X, 2026-10-28. Source: https://x.com/Google/status/2115489522603466766 ## Archived text > Introducing Gemini 4 Carbon, our latest frontier model. > > Carbon delivers improved performance across domains — ranking #1 on v5.0 of the @ArtificialAnlys Intelligence Index and sets a new state-of-the-art in cybersecurity and long-horizon capabilities. > > It’s rolling out starting this week to cyber defenders through our Fairwind Program, with expanded access coming soon 🧵 Archived 2026-10-28 via fxtwitter (unofficial). Counts: 211,206 views, 4,065 likes, 367 reposts, 199 replies (at fetch time) Media: https://pbs.twimg.com/media/HVu4r36W4AAdYIk.jpg?name=orig ## Cited in - 2026-10-28: [Google announces Gemini 4 Carbon, #1 on the Artificial Analysis Intelligence Index v5 (59), two weeks after Argon; first only for Fairwind cyber defenders](https://postcutoff.com/e/2026-10-28-gemini-4-carbon/)