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Alibaba Open-Sources 'open-code-review', an AI Code Review Tool Used Internally for 2 Years

·2026.06.21 09:31

Key point

Alibaba has open-sourced an AI code review tool that it has run internally for 2 years, catching millions of defects.

Details

Alibaba has open-sourced 'open-code-review', an AI code review assistant that has been run in its internal development environment for 2 years, contributing to identifying millions of code defects across tens of thousands of developers.

The tool works by analyzing Git diffs and passing the changed files to an LLM through a tool-use agent. This enables precise line-by-line reviews of code changes.

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