AI code reviews free for open source projects

Combat OSS PR spam & low-quality AI contributions

AI code reviews free for open source projects.

2-click install

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Installed on the most OSS repos

150K+

OSS Projects

3M

Repositories

1M

PRs per week

CR_Value

How CodeRabbit helps with slop & AI contributions

Filter the noise

Quickly identify low-effort, AI-generated, or spammy contributions.

Catch issues instantly

Detect bugs, security vulnerabilities, performance regressions, and more.

Guide contributors

Deliver clear, constructive, and educational feedback that helps contributors improve.

Save hours every week

Automated first-pass reviews means you have less to deep review.

Enforce standards at scale

Consistent, high-quality feedback across every PR—no matter how fast your project grows.

CR_Testimonies

Learn how we helped these projects

“We're using CodeRabbit 
 all over NVIDIA”

Jensen Huang, Founder & CEO

“CodeRabbit has proven invaluable in highlighting inconsistencies like missing null checks or mismatched value ranges. That... prevented numerous potential issues.”

David Deal, Senior Director of Eng

“Before CodeRabbit, quality depended on who reviewed your PR. Now, the bar is the same for everyone.”

“I love how deeply it analyzes code… It spots potential errors more often than other tools.”

Gabriel Almeida, Technical founder

CR_Features

Faster reviews + better code.

We do the heavy lifting & spot the hard to find issues. You do the final 10%.

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//1-click & AI fixes

Catch fast. Fix fast.

1-click commits for easy fixes and a “Fix with AI” button for harder ones. 

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//Summaries & visual diagrams

TL;DR for your diff.

Quick context with a summary of changes, a walkthrough & an architectural diagram.

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//Agentic reviews

Find the bugs. Skip the noise.

We find bugs humans miss – & flag the time consuming and tedious. Without the noise.  

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//Chat

Chat with the CodeRabbit bot directly

Give feedback on reviews to create Learnings. Or create issues, trigger docstrings & more.

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//Your code, your way

Most customizable tool.

Customize everything from your coding guidelines to your workflow in a yaml file.  

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//Automated reports

The reports you need

Automate the creation of your daily standup reports, sprint reviews, and more.

CR_Distributions

How CodeRabbit gives back to OSS

> $600,000Distributed
Project/MaintainerDescriptionAmount ($)
TanstackHigh-quality open-source software for web developers360,000
VuesJsThe Progressive JavaScript Framework48,000
TypeheroConnect, collaborate, and grow with a community of TypeScript developers. Elevate your skills through interactive coding challenges, discussions, and knowledge sharing12,000
Jaewoong EumAn Android & open-source software engineer12,000
NeovimThe future of vim-based editing12,000
zodTypeScript-first schema validation with static type inference11,988
Next-js-Boilerplate
(Remi Wg)Boilerplate and Starter for Next.js 16 with App Router and Page Router support, Tailwind CSS 4 and TypeScript9,000
awesome-cursorrules
(PatrickJS)Configuration files that enhance Cursor AI editor experience with custom rules and behaviors9,000

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started in
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