Google announces Gemini 4 Carbon, its next frontier AI model
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Google announces Gemini 4 Carbon, its next frontier AI model

The gist

Google announced Gemini 4 Carbon, claiming #1 on the Artificial Analysis Intelligence Index at 59.
It arrives two weeks after Gemini 4 Argon, with cybersecurity as its headline pitch.

How it unfolded

  1. Oct 9, 2026Business Insider reported that Google employees were testing an internal Gemini 4 model codenamed "Carbon" on Jetski, Google's internal coding platform.
  2. Oct 13, 2026Gemini 4 Argon reached general availability, according to developer-focused outlets such as Computing for Geeks.
  3. Oct 21, 2026Leaker Lyra posted a screenshot of Google's Gemini API Early Access Program docs, describing an invite-only group of developers, researchers and partners getting upcoming models before launch.

Sources

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