Not yet. The Information reported on October 19 that Google is developing a model codenamed Gemini 4 Carbon as an upgrade to Gemini 4 Argon; Google has not announced it.
The Information reporter Stephanie Palazzolo posts that the outlet has the scoop on a new Anthropic model, Google's Gemini 4 Carbon and a potential new Terra model from OpenAI, linking to the report.
The Information reports that Google is developing a model codenamed Gemini 4 Carbon that appears to improve on the Gemini 4 Argon release. No release date or benchmarks are given, and Google has not confirmed it.
Citing Business Insider, The Decoder reports that rumors of a more powerful Gemini 4 model codenamed Carbon are circulating, and that one Google employee compared Carbon's coding abilities to Anthropic's Opus 5.5.
We record what sources show, with dates. We don't predict or score how likely a rumor is.