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CodeRabbit

YC-backed AI code reviewer that comments on your pull requests like a senior engineer — catching bugs, suggesting fixes, and summarizing changes.

Type
Code review
Interface
GitHub / GitLab
Open source
No
Model choice
Curated
Backed by
Y Combinator (S23)
Pricing
Freemium · from $24/dev/mo
Official site
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What is CodeRabbit?

CodeRabbit plugs into your Git hosting and reviews every PR: it summarizes changes, flags bugs and security issues, suggests one-click fixes, and even chats about the code. It's become one of the most popular AI reviewers for teams.

Key features

01

PR summaries & walkthroughs

Understand any PR in seconds.

02

One-click fixes

Apply suggested fixes directly.

03

Chat on code

Ask questions about the diff in context.

Pros and cons

Pros

  • Dramatically faster PR reviews
  • Catches issues humans miss
  • Easy GitHub/GitLab setup

Cons

  • Can be noisy on large PRs — tune the settings
  • Per-seat pricing for teams
  • Still needs human judgment on architecture

Who is it for?

Teams drowning in PRs who want faster, more thorough reviews without hiring more seniors.

FAQ

Is CodeRabbit free?
Free for open source; paid plans for private repos.
Does it replace human review?
No — it augments reviewers; keep humans on design decisions.
Is it YC-backed?
Yes — CodeRabbit is a Y Combinator S23 company.

Try CodeRabbit

Pricing and features change fast — check the official site for the latest.

Visit official site →

Last updated: October 2026 · Compare all agents