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CodeRabbit is a code review tool where AI automatically reviews your pull requests (PRs). When you open a PR, it generates a diff summary and walkthrough, flags bugs and potential issues line by line, and proposes fixes. With its IDE extensions and CLI, you can also review local changes before opening a PR. Founded in the US in 2023, it reports more than 17,000 customers on its official site.
Key Features
- Automatic PR summaries and walkthroughs: When a PR is opened, it generates a summary of the changes, per-file explanations, and diagrams such as sequence diagrams, so reviewers can grasp the big picture before reading the diff
- Line-level review comments and 1-click fixes: Detects bugs, security concerns, and readability issues, and proposes concrete fix code. Suggestions can be committed directly with 1-click fixes
- Learnings (learning from feedback): Records natural-language feedback such as replies to review comments and applies it to future reviews
- Customization via YAML:
.coderabbit.yamllets you fine-tune review strictness, target paths, coding guidelines, and the review language (Japanese is also available) - IDE extensions and CLI: Extensions for VS Code, Cursor, and Windsurf plus a CLI let you review changes before committing or opening a PR. The official documentation also covers using it together with coding agents such as Claude Code
- Broad integrations: Supports GitHub, GitLab, Azure DevOps, and Bitbucket. Ingests results from linters and SAST (static application security testing) tools and presents them alongside AI findings, and Jira and Linear integrations connect reviews to issue tracking
Pricing
| Plan | Price (billed annually, per developer per month) | Key features |
|---|---|---|
| Essentials | $24 ($30 billed monthly) | Reviews on PRs and CLI, 1-click fixes, Learnings, loops with coding agents, 5 MCP connections, linter/SAST integrations, Jira/Linear integrations |
| Team | $48 ($60 billed monthly) | Everything in Essentials + Triage, multi-repo analysis (5 repos), custom pre-merge checks, finishing touches such as unit test generation and merge conflict resolution, 10 MCP connections |
| Advanced | $72 | Everything in Team + continuous security monitoring of your repositories, security review of each PR, blast radius analysis |
| Enterprise | Contact sales | SSO, audit logging, custom RBAC, API access, self-hosting option, SLA support |
- Public (open-source) repositories get free reviews forever once you sign up with GitHub or GitLab and install CodeRabbit
- All plans include a 14-day free trial (no credit card required)
- Only developers who create PRs are billed. Each plan includes an hourly per-developer review allowance (5 on Essentials up to 12 on Enterprise), and reviews beyond it can continue as usage-based billing ($0.25 per reviewed file, with a configurable spending cap)
- Add-ons include CodeRabbit Agent for running coding tasks in the cloud ($0.40 per agent minute) and full-codebase security scans
- The former Pro plan is now Essentials, and the former Pro Plus plan is now Team (prices unchanged)
Pricing information is as of September 2026. Please check the official site for the latest pricing.
Pros & Cons
✅ Pros
- Opening a PR is enough to get a summary and review comments, which can reduce the effort before human reviewers start reading the diff
- Findings come with concrete fix code that can be applied in one click, shortening the review-to-fix loop
- Learnings record your team’s feedback and apply it to future reviews
- Public repositories are free and paid plans offer a 14-day trial, so it is easy to start small
- Review comments can be configured in Japanese, making it easy to adopt for Japanese-speaking teams
⚠️ Cons
- AI findings include false positives and off-target comments, so a final human review is still a prerequisite
- Billing is per developer who creates PRs, so costs grow in proportion to the number of users
- Each developer has an hourly review allowance, so bursts of PRs in a short time may incur usage-based charges
- Since code is sent to an external service, some organizations’ security policies may require prior review. CodeRabbit is SOC 2 Type II audited annually, but self-hosting is Enterprise only
Comparison with Similar Services
| Criteria | CodeRabbit | GitHub Copilot code review | Qodo Merge | Greptile |
|---|---|---|---|---|
| Main use | Automated PR review | PR review on GitHub | PR review and description generation | PR review informed by full codebase context |
| Platforms | GitHub/GitLab/Azure DevOps/Bitbucket | GitHub | GitHub/GitLab/Bitbucket and more | GitHub/GitLab |
| Review before committing | Yes, via IDE extensions and CLI | Yes, in VS Code, JetBrains, and others | IDE extensions and CLI available | CLI reviews committed, unmerged changes |
| Learning / customization | Learnings + YAML config | Repository instruction files | Config files and rules | References full codebase context |
| Free usage | Public repositories | Follows Copilot plans | Free tier for OSS | Starter plan (50 credits/month), non-commercial OSS |
The comparison is based on each provider’s official information as of September 2026.
Who Is It For
- Development teams short on reviewers, where waiting for PR reviews has become a bottleneck
- Teams that want an AI first-pass check before human review
- OSS maintainers working in public repositories who want a free outside perspective on their code
- People who want one more check before merging code generated by coding agents such as Claude Code
Summary
CodeRabbit is an AI code review tool that covers everything from PR summaries to bug detection, fix suggestions, and applying your team’s feedback. It does not replace human review, but by handling routine findings first, it gives reviewers more time for discussions such as design decisions. Public repositories are free and paid plans offer a 14-day trial, so a good first step is to try it on your own repository and judge the quality of its findings.