CodeRabbit
The control layer for software change
About CodeRabbit
CodeRabbit is one of the most widely adopted AI code review tools, and in 2026 it repositioned from reviewer to what it calls the control layer for software change, on the back of a $143M raise. The shift is a reasonable read of where the problem moved. When engineers wrote every line, review was a quality check. When agents write a large share of them, review becomes the only place a human still reliably sees what changed, which makes it a control point rather than a courtesy.
Commercially it is more flexible than most of the category. There is a free tier, per-user plans billed annually starting at $24 a month, a higher tier at $48, a $40 option, and agent time billed at $0.50 per minute for work that goes beyond standard review. That last part matters: pay-per-minute means occasional deep analysis does not require sitting on the top plan year-round. Its popularity is itself an argument, since a reviewer that many teams have kept running on live pull requests has survived the only test that counts, which is whether developers stop ignoring the comments.
Install it on your repository and it begins reviewing pull requests automatically, posting comments inline as a reviewer would. The standard review pass runs on the seat subscription. Where deeper agentic work is needed, that is metered separately by the minute, so the cost tracks the work rather than the headcount. Teams typically run it as the first reviewer: it makes its pass as soon as a pull request opens, the author addresses the mechanical points before a colleague looks, and human review starts from a cleaner diff. The free tier is real rather than a trial, which is how most teams end up adopting it, starting on a side repository and expanding once the comments prove useful. Annual billing is where the headline per-user prices apply.
- •Automatic Pull Request Review - Reviews on open, with comments inline
- •Free Tier - Usable without payment, which is how most teams evaluate it
- •Per-user Plans from $24 - Billed annually, with higher tiers at $40 and $48
- •Agent Time by the Minute - $0.50 per agent minute, so deep analysis is paid for when used
- •Widely Deployed - One of the most adopted reviewers in the category, tested on live pull requests at scale
- •Positioned as a Control Layer - Framed around governing change rather than only commenting on it
- •Well Capitalised - $143M raised, which matters for a tool you embed in your pipeline
Teams that want AI review running on every pull request without a procurement conversation, and that value a free tier they can start with today. The per-minute agent billing suits teams whose deep-analysis needs are occasional rather than constant, since it avoids paying for capacity that sits idle. Its scale of adoption is a genuine advantage for anyone who would rather not be an early user of something embedded this deeply in their workflow. The counterweight is that this is a crowded category and the tools converge quickly, so the sensible approach is to run a free tier of two or three against the same repository and judge the comments rather than the feature list.
Pricing
$30 - $90/mo
- Essentials$30/mo
- Team$60/mo
- Advanced$90/mo
- EnterpriseContact sales
From the vendor pricing page, 2026-09-21
