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VB
Kimi K3's full weights are here, but they're 'open' with a caveat
Moonshot AI has unveiled the full weights of its Kimi K3 model, claiming it to be the world's first open 3T-class AI model. While it allows broad access to developers, the attached licensing provisions create obligations for larger organizations, particularly those exceeding $20 million in revenue operating AI as a Service. This has raised discussions around the nature of openness in AI, as companies may need commercial licenses and attributive visibility if they plan significant deployments. The model's complexity and operational challenges may also limit its accessibility to well-resourced enterprises.
ExperimentConfidence: MediumShort term horizon
Published 28 Jul 2026, 02:25 UTC7 min read
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Summary
TL;DR
- Kimi K3 model weights released by Moonshot AI.
- First open 3T-class AI model with 2.8 trillion parameters.
- Licensing terms require commercial agreements for large-scale applications.
- Internal usage is less restricted compared to consumer-facing applications.
- Model supports advanced features and requires significant infrastructure.
Interesting facts
- The model supports a one million-token context window.
- It includes various technical innovations like Kimi Delta Attention and Stable LatentMoE.
- Companies using Kimi K3 for internal purposes may avoid commercial licensing.