The weights for Kimi K3.1 Pro are now available for download on Hugging Face, released under a license named "Kimi K3.1 Pro" that is specific to the model.
Open-weight release · Hugging Face
Kimi K3.1 Pro weights are now public, under a model-specific license
Developers and researchers can now download and run the model themselves instead of only using a hosted service. The license is tied to the model's name, so its specific terms, including any commercial-use limits, must be reviewed before deployment.
Open
Weights are downloadable, not only accessible via API
Custom
Own license, not a standard open-source license
3T-class
Developer's label for the most capable model in its class to date
What the open weights make possible
A typical path from download to outside hosting
1. Download
Weights from Hugging Face
→
2. Inspect
Examine the model directly
→
3. Fine-tune
Adapt to your own tasks
→
4. Host
Run outside the developer's infrastructure
Why it matters
Adds another large-scale multimodal model to the open-weight ecosystem
Can be inspected, fine-tuned and hosted outside the developer's infrastructure
Described as natively multimodal and built for multi-step, tool-using agentic tasks
Open questions
Broad adoption depends on the practical cost of running a model at this scale
How the developer community receives the license terms
Performance claims versus other models cannot yet be verified
Before deploying
Read the license first. Other details are still missing.
License terms
Specific conditions tied to the model name
Commercial use
Any limits on business deployment
Hardware needs
Not included in the available material
Architecture and benchmarks
Independent results and details not yet provided
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