Kimi K3.1 Pro Debuts at #4 on AA Index, Set to Narrow Open-Weights Gap to 3 Points
dbreunig · x · 2026-10-24
Kimi K3.1 Pro launches 4th on Artificial Analysis' Intelligence Index with a score of 55, up 11 points from Kimi K3 (max), with large agentic gains. It trails only Claude Opus 5.5 (58), Claude Sonnet 5.5 (56), and Muse Wonder Full (56). Once weights are published it will be the top open-weights model, narrowing the open vs. proprietary gap from 12 to 3 points.
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