Best AI Code Review Tools in 2026
Updated
In short: CodeRabbit is ranked #1 of 48 as of 4 October 2026, ahead of ThinkReview and AI Code Reviewer. The best-ranked option with a free plan is ThinkReview. The lowest first paid tier on this page is CodeRabbit at $0.40/mo.
AI code review tools help teams examine code changes as part of a development workflow. Compare code host support and review triggers with custom review rules, fix suggestions, and security analysis to see which capabilities align with your process. Deployment model and SARIF export offer further details about setup and review outputs; free-plan availability and paid-from pricing add cost context. CodeRabbit, ThinkReview, and AI Code Reviewer are among the tools shown. Consider where reviews should run and which checks and outputs your team needs, then weigh those requirements against the listed features.
48 AI code review tools ranked on what their makers publish — plans and prices, free tiers, platforms and the facts on their own pages.
22 of the 25 here have a free tier you can use, 0 have open-source code on record, and 0 have full bars: free, open, on most of your devices and documented.
| # | App | Signal | Free tier | Open code | Devices | From | Score |
|---|---|---|---|---|---|---|---|
| 1 | CodeRabbitWeb · Windows · Mac · Linux · Self-hosted · API · Extension | Three bars | — | 4 of 6 | $0.40/mo | 6.7 | |
| 2 | ThinkReviewWeb · Windows · Mac · Linux · API · Extension | Three bars | — | 4 of 6 | $10/mo | 6.6 | |
| 3 | AI Code ReviewerLinux · Self-hosted | Two bars | — | 1 of 6 | Free | 6.4 | |
| 4 | CodacyWeb · Extension | Two bars | — | 1 of 6 | $1.50/mo | 6.4 | |
| 5 | CodeAnt AIWeb · Self-hosted · API · Extension | Two bars | — | 1 of 6 | — | 6.4 | |
| 6 | GitarWeb · Self-hosted · API | Two bars | — | 1 of 6 | $20/mo | 6.4 | |
| 7 | GreptileWeb · Self-hosted · API | Two bars | — | 1 of 6 | $30/mo | 6.4 | |
| 8 | Merlin AI Code ReviewLinux · Self-hosted | Two bars | — | 1 of 6 | Free | 6.4 | |
| 9 | MiraWeb · Self-hosted | Two bars | — | 1 of 6 | Free | 6.4 | |
| 10 | PR QuorumWeb · API | Two bars | — | 1 of 6 | $0.80/mo | 6.4 | |
| 11 | SourceryWeb · Self-hosted · API · Extension | Two bars | — | 1 of 6 | $12/mo | 6.4 | |
| 12 | BugLensWeb | Two bars | — | 1 of 6 | $19/mo | 6.3 | |
| 13 | CodeKangWeb | Two bars | — | 1 of 6 | $19/mo | 6.3 | |
| 14 | KodusWeb | Two bars | — | 1 of 6 | $10/mo | 6.3 | |
| 15 | MoraineWeb | Two bars | — | 1 of 6 | $14/mo | 6.3 | |
| 16 | PR-AgentSelf-hosted · API | Two bars | — | 0 of 6 | Free | 6.3 | |
| 17 | QuellbotWeb | Two bars | — | 1 of 6 | $29/mo | 6.3 | |
| 18 | RevueWindows · Linux | One bar | — | 2 of 6 | $9/mo | 6.3 | |
| 19 | Sigilix ReviewWeb | Two bars | — | 1 of 6 | Free | 6.3 | |
| 20 | EllipsisWeb | One bar | — | 1 of 6 | Free | 6.2 | |
| 21 | PulloraWeb | One bar | — | 1 of 6 | $9/mo | 6.2 | |
| 22 | Robin ReviewNo platforms listed | One bar | — | 0 of 6 | Free | 6.0 | |
| 23 | BitoWeb · Windows · Mac · Linux · Self-hosted · Extension | Two bars | — | — | 4 of 6 | $1/mo | 5.7 |
| 24 | GitClawWeb · Windows · Mac · Linux | One bar | — | — | 4 of 6 | — | 5.4 |
| 25 | AICodeReviewerWindows · Mac · Linux | One bar | — | — | 3 of 6 | — | 5.3 |
Is your app on this list?
Numbered spots on this list can be sponsored. They are labelled, and the editorial order and scores never change for payment.
Questions about this list
Which AI code review tool is ranked first on Freedom251?
CodeRabbit is ranked #1 of 48 with a score of 6.7. ThinkReview is second and AI Code Reviewer third.
How many of these have a free plan?
21 of the 25 on this page publish a free plan on their own pricing pages.
Which is the cheapest paid option?
On this page, CodeRabbit has the lowest first paid tier we found: $0.40/mo.
How is this list ranked?
Ranked free-and-open first: a usable free tier and open-source code, then the platforms it runs on and its documentation. Paid placements never change a rank.