Models · Updated 24 Oct, 12:30 am IST
Moonshot AI's Kimi K3.1 Pro nears top models on AA index
Why it matters for readers: This shows how post-training can significantly improve model performance and narrow the gap with proprietary models.
- Kimi K3.1 Pro scores 55 on the Artificial Analysis Intelligence Index, up 11 points from K3.1
- K3.1 Pro ranks fourth behind Claude Opus 5.5 (58), Claude Sonnet 5.5 (56), and Muse Wonder Full (56).1
- Moonshot says it will release the model weights by November 4, 2026, which would make K3.1 Pro the top open-weights model if unchanged.1
- Moonshot also ships a K3.1 Pro Highspeed variant that runs two to three times faster and both versions are available through Kimi.ai, Kimi Work, Kimi Code, and the Kimi API.1
- Pricing published for K3.1 Pro and Highspeed includes input, output, and cache rates available from the company.1
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