CodeRabbit
AI code reviewer that posts line-by-line PR feedback and one-click fixes
Last reviewed 2026-06-19
CodeRabbit is an AI code review tool that attaches to pull requests on GitHub, GitLab, Bitbucket, and Azure DevOps. When a PR is opened or updated it generates a plain-English summary and walkthrough, sequence diagrams of the change, and line-by-line comments flagging bugs, security issues, and quality problems, then offers one-click fixes and an AI chat to discuss the review. It also runs 40+ built-in linters and security scanners, generates docstrings and unit tests, and supports natural-language pre-merge quality checks. It operates as a reviewer that posts comments automatically but does not merge or push code on its own: a human still accepts fixes and approves the merge. CodeRabbit also ships a free IDE extension for VS Code, Cursor, and Windsurf that reviews uncommitted changes before a PR. The company reports broad adoption (millions of repositories and 15,000+ customers); those figures are vendor-reported.
What it can do
Review pull requests line by line
CopilotOn each PR it posts a summary, walkthrough, sequence diagrams, and line-level comments on bugs, security, and quality, but does not merge.
sourceSuggest one-click and AI-generated fixes
CopilotOffers committable one-click fixes for simple issues and a 'Fix with AI' path for complex ones; a human accepts and commits.
sourceRun agentic pre-merge checks and linters
SupervisedRuns 40+ linters and security scanners plus natural-language pre-merge quality gates that can block a merge until criteria are met.
sourceReview uncommitted changes in the IDE
CopilotA free VS Code, Cursor, and Windsurf extension reviews local changes before a PR is opened.
source
Strengths
- +Posts detailed, codebase-aware reviews automatically on every PR across all major Git hosts
- +Free tier and a free IDE extension lower the barrier to adoption
- +Pre-merge checks, custom rules, and 40+ linters add deterministic gates on top of the LLM review
Limitations
- −Reviewer only: it comments and suggests but does not merge or push code itself
- −On large PRs AI review can be noisy and still needs human triage
- −Per-seat pricing and rate limits can add up for large teams
Overview
CodeRabbit is an AI code reviewer that plugs into pull requests and posts automated feedback. It targets engineering teams that want faster, more consistent review without replacing human approval.
What it does
When a PR opens or updates, CodeRabbit generates a summary and walkthrough, sequence diagrams of the change, and line-by-line comments on bugs, security, performance, and style. It offers one-click fixes for simple issues and a 'Fix with AI' option for complex ones, runs 40+ linters and security scanners, generates docstrings and unit tests, and supports natural-language pre-merge quality checks that can block a merge. A free IDE extension reviews uncommitted changes before a PR is opened. Throughout, a human accepts fixes and approves the merge.
Integrations & setup
Installs on GitHub, GitLab, Bitbucket, and Azure DevOps in a couple of clicks, with IDE extensions for VS Code, Cursor, and Windsurf, plus Jira and Linear linking and MCP support for external context. Enterprise plans add self-hosting.
Pricing
Freemium. A free tier exists; Pro is around $24/dev/month billed annually with a higher Pro Plus tier, and Enterprise is custom with self-hosting. Check the pricing page for current numbers.
Best for / not for
Best for teams that want automated, codebase-aware review on every PR. Less suited to teams that want an agent to open and merge fix PRs autonomously (see Ellipsis or Sweep for more agentic fix workflows).
Alternatives
Greptile, Qodo, and GitHub Copilot's review features are the closest competitors; Ellipsis and Graphite add more agentic code workflows.
What people are saying
We aggregate real LinkedIn discussion into sentiment for the agents people search most. CodeRabbit isn't tracked yet, want it added? Request tracking.
FAQ
Does CodeRabbit merge or fix code on its own?+
No. It posts reviews and suggests fixes automatically, but a human accepts the fixes and approves the merge. It behaves as a copilot reviewer, not an autonomous agent.
Which platforms does CodeRabbit support?+
GitHub, GitLab, Bitbucket, and Azure DevOps for PR review, plus a free IDE extension for VS Code, Cursor, and Windsurf.
Sources
- CodeRabbit (official site) · accessed 2026-06-19
- CodeRabbit FAQ · accessed 2026-06-19
- CodeRabbit pricing · accessed 2026-06-19
- CodeRabbit IDE extension · accessed 2026-06-19
Last reviewed 2026-06-19