Moonshot launches Kimi K3.1 Pro: 2.8T-param open-weight model matching top closed models on coding
heyshrutimishra · x · 2026-10-24
- Kimi K3.1 Pro is out: Moonshot AI's most capable 3T-class open-weight model — 2.8T total / 104B active params (MoE), 1M-token context, multimodal.
- Coding focus: full-project coding including games in Unreal, Unity & Godot; strong parametric 3D modeling in Blender & CAD. Third-party benchmarks claim a tie with top closed models on Code Arena WebDev at 70% lower cost, and 65.7% vs 66.4% on Terminal-Bench 4.0.
- Finance: hallucinations reportedly down 65% on financial modeling.
- Availability: live on kimi.com, Kimi Work, Kimi Code and API, plus a 2-3x faster Highspeed variant; open weights drop Nov 4, 2026.
Related event: Moonshot releases Kimi K3.1 Pro, a 3T-parameter open model rivaling GPT-6(43 posts)→
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