CodeRabbit

Free

An AI-powered code review tool that helps developers improve code quality and productivity.

FreeFree tier

Type

Open Source

Company

CodeRabbit

Visit Website GitHub (40 stars)

About CodeRabbit

CodeRabbit is an AI-powered code review tool that automates pull request reviews by identifying bugs, providing context-aware summaries, and suggesting fixes. It integrates seamlessly with GitHub, GitLab, and Bitbucket, offering pre-merge checks, architectural impact analysis, and one-click commits. Teams can customize review rules via YAML configurations, chat with the bot to create learning points, generate docstrings, and produce daily standup reports. Trusted by over 15,000 customers including NVIDIA, CodeRabbit has analyzed 6 million repositories and found 75 million defects. It offers a free tier, Pro ($24/mo/user), Pro Plus ($48/mo/user), Enterprise plans, and a Slack agent with usage-based pricing.

Key Features

PR summarization and walkthrough

Architectural impact analysis

Pre-merge checks (CI/CD integration)

1-click commits and Fix with AI

Chat with CodeRabbit bot for feedback and learnings

Customizable review rules via YAML configuration

Docstring generation and autofix

MCP connections

Linked repository analysis

Agentic chat for issue creation and more

Pros & Cons

Pros

Finds bugs humans typically miss
Speeds up code review with one-click fixes
Customizable via YAML to match team coding guidelines
Offers a free tier for basic PR summarization
Integrates with popular tools (GitHub, GitLab, Jira, Linear, Slack)
Provides architectural impact analysis and pre-merge checks
Trusted by major companies like NVIDIA
Supports both PR reviews and local CLI/IDE usage

Cons

Free plan limited to PR summarization after initial 14-day Pro Plus trial
AI may generate false positives or miss nuanced context
Requires internet connection for AI processing
Paid plans can become expensive for large teams (per-user pricing)

Best For

Automating code reviews on pull requestsCatching hard-to-find bugs before mergeImproving code quality in CI/CD pipelinesGenerating documentation and docstrings automaticallyCreating daily standup reports for engineering teamsReducing review time for large codebases

FAQ

How does pricing work for the CodeRabbit Slack agent?

Pay only for what you use. CodeRabbit charges by agent minute at $0.50 per minute. You are billed only for active runtime, with no charges for cold starts or paused time.

Will I be charged for all developers in my organization?

No, you will only be charged for developers who create pull requests. You also have the option to manually assign seats.

Is there a limit on the number of reviews or repositories?

There is no limit on the number of pull requests reviewed or the number of repositories on any of the plans.

Can I reassign seats to other developers?

Yes, seats can be reassigned at any time.