Kimi K3.1 Pro Launch

Published 25 October 2026

Kimi K3.1 Pro is a multimodal mixture-of-experts model with 2.8T total and 104B active parameters and a 1-million-token context window. It targets full-project coding in Unreal, Unity and Godot, parametric 3D modeling in Blender and CAD, and finance work, where hallucinations are down 65%. Kimi says it matches the strongest proprietary models on coding, agentic and knowledge benchmarks. It is available across Kimi products and API, with full weights scheduled for release by November 4, 2026.