Kimi-DevOpen Weight

Kimi-Dev was released by Moonshot AI on Tuesday, Jun 17 2025.

Kimi-Dev was built by Moonshot AI. Chinese AI company building the Kimi family of models. Founded in 2023, known for long-context and efficient MoE architectures.

Kimi-Dev is reported at 72B parameters.

Partly. Kimi-Dev is an open-weight model: the trained weights are free to download and run locally or on your own infrastructure, but the training data and code are not fully released and the license may restrict some commercial uses. It is not open source in the strict sense.

Moonshot AI's previous tracked release was Kimi-VL on Apr 10 2025, 68 days earlier. It was followed by Kimi K2 on Jul 11 2025.