Kimi K3 Model Weights Open Source with Custom License for Research and Deployment

Moonshot AI releases Kimi K3 weights under a custom license permitting research and fine-tuning. Immediate support from major inference frameworks and cloud providers enables instant developer deployment.

Woofun AI reports that the dark side of the moon has officially open-sourced the Kimi K3 model weights under a custom license agreement permitting research, deployment, fine-tuning, and secondary development. Developers can download the model from Hugging Face for immediate self-deployment and testing.

First-day integrations are underway with Modal, Together AI, Nebius, GMI Cloud, Baseten, and Fireworks AI providing hosting or inference services. Inference frameworks vLLM and SGLang offer immediate support, allowing direct deployment without waiting for adaptation. Future optimizations will target long-context efficiency, high throughput, and KDA linear attention.