# The best free AI code review tools

Every option in the catalog for when you need to get a reviewer on every pull request automatically — 7 AI code review tools, 4 of them free or freemium, with the pricing tier printed on every row.

## Stats

- 7 tools listed
- 4 free or freemium
- 1 with no paid plan at all
- 1 sub-categories covered

## FAQ

### What are the best free AI code review tools?

Flocci AI Tools lists 7 of them, ordered free tiers first: PR-Agent, CodeRabbit, Greptile, Sourcery and Qodo. 4 of the 7 are free or have a free tier. Each entry states what it uniquely does rather than a score.

### Which of these are completely free?

1 on this page are marked fully free with no paid plan at all: PR-Agent. The remaining 6 are freemium, trial or paid, and each is labelled with its exact tier so nothing surprises you at sign-up.

### How is this list ordered?

Free tools first, then freemium, then trial, then paid, and alphabetically inside each tier. Nobody pays to appear higher: Flocci AI Tools carries no ads, no sponsored slots and no paid listings, so the order reflects price and nothing else.

## Quick picks

### Which AI code review tools work in a browser with no install?

CodeRabbit, Greptile and Sourcery all work in a browser tab with no install needed — just open the site and go. 3 of the 4 free AI code review tools listed here are browser-based.

### Which AI code review tools let you sign in with Google?

Greptile supports Google sign-in, so you can start without creating a new account. That's 1 of the 4 free AI code review tools on this page.

### Which AI code review tools can you self-host or run offline?

PR-Agent can be self-hosted or run locally without a browser — useful for privacy, air-gapped networks, or avoiding API rate limits. 1 of the 4 free AI code review tools here run offline.

## Tools

- [PR-Agent](https://aitools.flocci.in/tool/pr-agent) — Free — Open-source AI reviewer that describes, reviews and suggests improvements on pull requests
- [CodeRabbit](https://aitools.flocci.in/tool/coderabbit) — Freemium — Agentic AI reviews on PRs and CLI with automated one-click fix suggestions
- [Greptile](https://aitools.flocci.in/tool/greptile) — Freemium — Free Starter tier with unlimited repositories for individual developers
- [Sourcery](https://aitools.flocci.in/tool/sourcery) — Freemium — AI pull request reviews for GitHub and GitLab with summaries, bug findings and one-click fixes
- [Qodo](https://aitools.flocci.in/tool/qodo) — Trial — Context-aware agentic review across IDE, PR, CLI and Git workflows in one platform
- [Cubic](https://aitools.flocci.in/tool/cubic) — Paid — Paid plans only; there is no free plan.
- [Graphite Diamond](https://aitools.flocci.in/tool/graphite-diamond) — Paid — AI reviewer built into Graphite's stacked-PR workflow, not a bolt-on bot
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Source: Flocci AI Tools — https://aitools.flocci.in/best/best-ai-code-review

Facts last verified: October 2026