The current top open-source model, Kimi K3.1 Pro, has been released.
Its capabilities are very close to Astra and Opus.
It has especially strengthened the increasingly popular AI game capabilities, and 3D capabilities.
Time to play with it this weekend.
Moonshot AI launches Kimi K3.1 Pro with open weights due November 4
AIOrange AI says Moonshot AI's Kimi K3.1 Pro is now live on Kimi.ai, Kimi Work, Kimi Code, and the Kimi API. The quoted launch post describes a 2.8T total, 104B active parameter MoE model with a 1M-token context, and says open weights arrive by Nov 4, 2026.
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AITranslated from Chinese
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
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