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Kimi outperforms Opus 5.5 and GPT-6 Astra
China is stepping up its AI game!
The K3.1 Pro model features 2.8 trillion parameters and a 1 million-token context window. According to its developers, it rivals leading closed-source models in coding and agentic tasks
The open-weight model will be available by November 4
DeepSeek and Kimi are proving that Chinese AI can be just as accessible, useful, and high-quality as American AI
Introducing Kimi K3.1 Pro: our most capable 3T-class open-weight model.
๐น 1M-token context, 2.8T total / 104B active params (MoE), Multimodal.
๐น Full-project coding: games in Unreal, Unity & Godot.
๐น Excels at parametric 3D modeling in Blender & CAD.
๐น More reliable at finance work: Accurate modeling with hallucination down by 65%.
๐น Matching the strongest proprietary models across coding, agentic and knowledge benchmarks.
Kimi K3.1 Pro and K3.1 Pro Highspeed (2โ3ร faster) are now live on Kimi.ai, Kimi Work, Kimi Code, and the Kimi API.
Open weights by Nov 4, 2026.
๐ API: platform.kimi.ai
๐ Tech blog: kimi.ai/blog/kimi-k3-1-pro





