Peaked at #1 Now #1
Moonshot releases Kimi K3.1 Pro
Moonshot released Kimi K3.1 Pro, a 2.8T-parameter open-weight 1M-context model cutting finance hallucinations 65%.
Key points
- Kimi K3.1 Pro is a 3T-class open-weight model with 1M-token context, 2.8T total / 104B active params (MoE), and multimodal support.
- It is live on https://t.co/85jA71X9gw, Kimi Work, Kimi Code, and the Kimi API, with open weights promised by Nov 4, 2026.
- Artificial Analysis reports K3.1 Pro launches at 4th on its Intelligence Index scoring 55, an 11-point gain over Kimi K3 (max, 44).
- Moonshot says K3.1 Pro matches the strongest proprietary models across coding, agentic and knowledge benchmarks, with hallucination in finance work down by 65%.
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What others are saying
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Kimi.ai @Kimi_Moonshot 4,462
Kimi announced Kimi K3.1 Pro, its most capable 3T-class model, with a link.
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Artificial Analysis says Kimi K3.1 Pro scores 55, 4th on the Intelligence Index, +11 over K3, and will lead open-weights once released.
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OpenCode @opencode 2,530
OpenCode announces Kimi K3.1 Pro is now available in OpenCode Go.
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Chubby♨️ @kimmonismus 1,590
Kimi K3.1 Pro beats US frontier models on 6 of 14 benchmarks at $2/$10 per 1M tokens, 50% below Opus 5.5.
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From @Kimi_Moonshot, @chipherndon, @vishalsingh2972 and others. Spam removed, with English and Chinese translations.
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