Model•active
Kimi K3
Kimi K3 is Moonshot AI's 2.8T-parameter open-weight multimodal MoE model with 104B active parameters and a 1,048,576-token context window.
Official siteVerified Oct 5, 2026
Overview
Kimi K3 combines Kimi Delta Attention, Gated MLA, Attention Residuals, and a 896-expert MoE. It targets long-horizon coding, reasoning, knowledge work, and multimodal agentic tasks.
Model specifications
- Family
- Kimi K3
- Context
- 1,048,576 tokens
- Input
- Text, Image, Video
- Output
- Text
- Open weights
- Yes
- Capabilities
- Reasoning, Vision, Tool Use, Function Calling, Structured Output