Anthropic's Claude Opus 5.5 beat Gemini 4 Carbon on Artificial Analysis' Coding Agent Index in October 2026, 62 to 59

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From the postGemini 4 Carbon is the new #1 on the Artificial Analysis Intelligence Index v5

Gemini 4 Carbon is the new #1 on the Artificial Analysis Intelligence Index v5

Artificial Analysis reports Google's Gemini 4 Carbon scores 59 to take #1 on its Intelligence Index v5 and ranks second to Claude Opus 5.5 on coding agents. It details lower cost per task, a strong AA-Omniscience score, a 1M context window, and pricing.