# Google's Gemini 4 "Carbon" model is reportedly matching Anthropic's Opus 5.5 coding performance

**Published:** October 10, 2026
**Author:** Matthias Bastian
**Source:** The Decoder
**Language:** en-US
**HTML:** https://aiqazaqstan.com/en/articles/google-s-gemini-4-carbon-model-is-reportedly-matching-anthropic-s-opus-5

Gemini 4 Argon isn't even widely available yet, and rumors about a more powerful version codenamed Carbon are already making the rounds. According to Business Insider, one employee compared Carbon's coding abilities to Anthropic's Opus 5.5. Meanwhile, new modes are showing up in…

> From the original source: **The Decoder**
> [Read full article at The Decoder](https://the-decoder.com/googles-gemini-4-carbon-model-is-reportedly-matching-anthropics-opus-5-5-coding-performance/)

**Tags:** #Google DeepMind #Anthropic

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