Artificial Analysis measured Gemini 4 Carbon's cost per Intelligence Index task at $7.76 in October 2026, about 23% less than Claude Opus 5.5's $10.04

Google DeepMind's frontier AI model, released on October 28, 2026, two weeks after Gemini 4 Argon's wide rollout, first only to selected cybersecurity defenders through Google's Fairwind Program; it ranked first on the Artificial Analysis Intelligence Index v5 with a score of 59.