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

Google's Gemini 4 Carbon model has reached the top spot on the Artificial Analysis Intelligence Index v5, showing significant improvements in reasoning and coding tasks. While it leads in several benchmarks, it remains behind Claude Opus 5.5 in specific coding agent performance.
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Google’s Gemini 4 Carbon is the new #1 on the Artificial Analysis Intelligence Index v5, and second only to Claude Opus 5.5 on the Artificial Analysis Coding Agent Index
Gemini 4 Carbon scores 59 on Intelligence Index v5, driven by leading performance in complex reasoning, knowledge, and scientific tasks. It also has large gains in coding and knowledge work, particularly when compared to other Gemini models, but it is not leading in all these areas.
As with launch of Gemini 4 Argon, Gemini 4 Carbon is being rolled out to selected users and is not yet publicly available. Google is offering a 50% launch discount, with no confirmed end date. All our charts and figures use standard pricing for both Gemini 4 Carbon and Argon.
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