Kimi K2 Instruct
Moonshot AI · 2025-07-11 · 1T parameters
Kimi K2 Instruct is Moonshot AI's open-weight trillion-parameter Mixture-of-Experts instruction model with approximately 32.6B activated parameters. Released in July 2025 as a reflex-grade model without long thinking, it was built on a base pretrained on a reported 15.5 trillion tokens with MuonClip, then post-trained with Muon for coding, tool use, and agentic tasks.