Kimi K3.1 Pro scores 55 on Intelligence Index, set to be top open-weights model
NousResearch · x · 2026-10-24
Moonshot AI's Kimi K3.1 Pro is now available via Nous Research's Hermes Agent. Per Artificial Analysis:
- Scored 55 on the Intelligence Index, ranking 4th: an 11-point jump over Kimi K3 (max, 44), trailing only Claude Opus 5.5 (58), Claude Sonnet 5.5 (56), and Muse Wonder Full (56)
- Large gains in agentic performance
- Once weights are released it will be the leading open-weights model, narrowing the open vs. proprietary gap from 12 points to 3
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