Kimi K3
Kimi K3 is an open-weight language model from Moonshot AI, released in July 2026. It is a mixture-of-experts model with 2.8T total parameters, of which 104B are active for each token. Moonshot AI lists a context window of 1,048,576 tokens. The model accepts text and image input.
- Developer
- Moonshot AI
- Released
- July 2026
- Total parameters
- 2.8T
- Active parameters per token
- 104B
- Architecture
- MoE
- Context window
- 1M
- Input
- Text, image
- License
- Kimi K3 License
- Commercial use
- Yes, with conditions
- Hugging Face repository
- huggingface.co
- Checked on
The weights are released under the Kimi K3 License. Commercial use is allowed with conditions. Model-as-a-service operators with group revenue above US$20 million over 12 months need a separate agreement with Moonshot AI. Products with more than 100 million monthly active users or more than US$20 million in monthly revenue must display “Kimi K3”. Internal use is exempt.
- Total parameters, billions
- 2,800B
- Active parameters, billions
- 104B
- Context window, tokens
- 1.05M
- License type
- Custom license
- License conditions
- Model-as-a-service operators with group revenue above US$20 million over 12 months need a separate agreement with Moonshot AI. Products with more than 100 million monthly active users or more than US$20 million in monthly revenue must display "Kimi K3". Internal use is exempt.
- Weights precision
- MXFP4
- License text
- huggingface.co
- Sources
Page URL Hugging Face model card https://huggingface.co/moonshotai/Kimi-K3/raw/main/README.md License text on Hugging Face https://huggingface.co/moonshotai/Kimi-K3/raw/main/LICENSE kimi.com announcement https://www.kimi.com/blog/kimi-k3