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

Google's Gemini 4 Carbon has topped the Artificial Analysis Intelligence Index v5, scoring 59 and leading in complex reasoning, knowledge, and scientific tasks, though it ranks second only to Claude Opus 5.5 on coding benchmarks. The model offers cost advantages at $7.76 per task—approximately 23% less than Claude Opus 5.5—while using fewer output tokens and maintaining low hallucination rates. Gemini 4 Carbon is currently rolling out to selected users with a 50% launch discount and is not yet publicly available.