Moonshot Releases Full Weights of Kimi K3: The First 3T-level Open Source Model

On July 27, 2026, Moonshot AI released the full weights of Kimi K3 on Hugging Face and GitHub: it has a total of 2.8T parameters, 104B activations, and a 1M context window, adopting MoE + KDA attention and MXFP4 native quantization. This article sorts out the architecture specifications, coding evaluation performance and vLLM self-hosting key points, and discusses the gap between open-source weights and closed-source cutting-edge models as well as the deployment threshold.

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Quickly Deploy a DeepSeek-R1 Service from Scratch

Here are the simplest commands to introduce how to deploy the DeepSeek-R1 service. Anaconda is assumed to be already installed, and the vllm framework is used, making it easy to deploy even in China.

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