saeedxdie/Kimi-Dev-72B

TEXT GENERATIONConcurrency Cost:4Model Size:72.7BQuant:FP8Ctx Length:32kPublished:Mar 27, 2026License:mitArchitecture:Transformer Open Weights Cold

Kimi-Dev-72B is a 72.7 billion parameter open-source coding LLM developed by the Kimi-Dev Team, optimized for software engineering tasks. It achieves a new state-of-the-art performance of 60.4% on SWE-bench Verified among open-source models. The model is specifically designed for issue resolution, utilizing large-scale reinforcement learning to autonomously patch real repositories and pass entire test suites. This makes it highly effective for generating correct and robust code solutions in real-world development scenarios.

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Kimi-Dev-72B: An Open-Source Coding LLM for Issue Resolution

Kimi-Dev-72B, developed by the Kimi-Dev Team, is a 72.7 billion parameter open-source language model specifically engineered for software engineering tasks. It distinguishes itself by achieving a new state-of-the-art performance among open-source models on the challenging SWE-bench Verified benchmark.

Key Capabilities and Differentiators

  • State-of-the-Art Performance: Kimi-Dev-72B scores 60.4% on SWE-bench Verified, surpassing other open-source models in its ability to resolve real-world software issues.
  • Reinforcement Learning Optimization: The model is optimized through large-scale reinforcement learning, where it autonomously patches real repositories within Docker environments. It receives rewards only upon successfully passing the entire test suite, ensuring high-quality and robust solutions.
  • Real-World Alignment: This training methodology aligns Kimi-Dev-72B with practical development standards, making it highly effective for generating correct and verifiable code.

Ideal Use Cases

  • Automated Bug Fixing: Excellent for tasks involving the identification and resolution of software bugs.
  • Code Generation and Refactoring: Capable of generating and improving code that adheres to testing standards.
  • Software Engineering Research: A valuable tool for researchers exploring advanced code intelligence and autonomous development.