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MoonshotAI: Kimi Dev 72B

moonshotai/kimi-dev-72b

Model weights

Kimi-Dev-72B is an open-source large language model fine-tuned for software engineering and issue resolution tasks. Based on Qwen2.5-72B, it is optimized using large-scale reinforcement learning that applies code patches in real repositories and validates them via full test suite execution—rewarding only correct, robust completions. The model achieves 60.4% on SWE-bench Verified, setting a new benchmark among open-source models for software bug fixing and code reasoning.

Modalities
Context
131K
Released
Jun 16, 2025
Knowledge Cutoff
Dec 2024
ActivityFAQExplore

Activity

Token volume and request traffic to this model over time.

Not currently available through EU in-region routing. In-region routing docs

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Frequently asked questions

Kimi-Dev-72B is an open-source large language model fine-tuned for software engineering and issue resolution tasks. Based on Qwen2.5-72B, it is optimized using large-scale reinforcement learning that applies code patches in real repositories and validates them via full test suite execution—rewarding only correct, robust completions.

Kimi Dev 72B has a 131,072 token context window.

Kimi K3.1 Pro, Kimi K3, Kimi K2.7 Code and 5 more are other text models from MoonshotAI.

Kimi Dev 72B was released on June 16, 2025. Its knowledge cutoff is December 31, 2024.