An Anthropic model has been #1 on every day since July: six runs in 115 days, and Gemini 4 Carbon came closest, 1.9 points behind
AI-generated summary An Anthropic model has held the top position on the ArtificialWatch bench index every day since July 21, 2026. Google's Gemini 4 Carbon trailed Claude Opus 5.5 by 1.9 points during three recorded days from October 31 to November 3.