Post-Cutoff

“Introducing Kimi K3.1 Pro: our most capable 3T-class open-weight model.”

Kimi.ai @Kimi_MoonshotX

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Introducing Kimi K3.1 Pro: our most capable 3T-class open-weight model.

🔹 1M-token context, 2.8T total / 104B active params (MoE), Multimodal. 🔹 Full-project coding: games in Unreal, Unity & Godot. 🔹 Excels at parametric 3D modeling in Blender & CAD. 🔹 More reliable at finance work: Accurate modeling with hallucination down by 65%. 🔹 Matching the strongest proprietary models across coding, agentic and knowledge benchmarks.

Kimi K3.1 Pro and K3.1 Pro Highspeed (2–3× faster) are now live on http://Kimi.ai, Kimi Work, Kimi Code, and the Kimi API.

Open weights by Nov 4, 2026.

🔗 API: http://platform.kimi.ai 🔗 Tech blog: http://kimi.ai/blog/kimi-k3-1-pro

Source: x.com/Kimi_Moonshot/status/2113680701770068067Archived 2026-10-24 via fxtwitter (unofficial).Counts: 2,610,191 views, 25,805 likes, 2,792 reposts, 1,080 replies (at fetch time)Media: image

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  1. Model releases 115 days after the cutoff

    Moonshot releases Kimi K3.1 Pro