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 Bito. 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-assisted code review can be evaluated by where it fits into development and what it checks in a change. Compared on code hosts, review triggers, custom review rules, fix suggestions, and security analysis, these tools also vary by deployment model and SARIF export. Free-plan availability and paid-from pricing round out the comparison. CodeRabbit, ThinkReview, and Bito are among the entries to consider. Think about where reviews should run, which findings would help your team, and whether SARIF output matters to the tools that consume review results.
48 AI code review tools ranked on what their makers publish — plans and prices, free tiers, platforms and the facts on their own pages.
48ranked
20free plans on this page
$0.40/molowest paid tier
4 Oct 2026last checked
Input list AI Code Review Tools 25 channels on this page · 116 of 200 spec lines stated by the makers
Ch Tool Free planPaid fromSecurity analysisCustom review rulesFix suggestionsDeployment modelReview triggerCode hosts Spec sheet Score
01 CodeRabbit Free planYesPaid fromnot statedSecurity analysisYesCustom review rulesnot statedFix suggestionsnot statedDeployment modelnot statedReview triggernot statedCode hostsnot stated 2/8spec lines stated 8.0
02 ThinkReview Free planYesPaid fromnot statedSecurity analysisYesCustom review rulesYesFix suggestionsYesDeployment modelhybridReview triggermanualCode hostsGitHub, GitLab, Azure DevOps, Bitbucket 7/8spec lines stated 7.8
03 Bito Free planYesPaid from12/user/moSecurity analysisYesCustom review rulesnot statedFix suggestionsnot statedDeployment modelnot statedReview triggernot statedCode hostsnot stated 3/8spec lines stated 7.5
04 Gitar Free planYesPaid from20/user/moSecurity analysisYesCustom review rulesnot statedFix suggestionsnot statedDeployment modelnot statedReview triggernot statedCode hostsnot stated 3/8spec lines stated 7.4
05 CodeAnt AI Free planNoPaid from20/user/moSecurity analysisYesCustom review rulesnot statedFix suggestionsnot statedDeployment modelnot statedReview triggernot statedCode hostsnot stated 3/8spec lines stated 7.3
06 Greptile Free planYesPaid from30/user/moSecurity analysisYesCustom review rulesnot statedFix suggestionsnot statedDeployment modelnot statedReview triggernot statedCode hostsnot stated 3/8spec lines stated 7.3
07 Sourcery Free planYesPaid from12/user/moSecurity analysisYesCustom review rulesnot statedFix suggestionsnot statedDeployment modelnot statedReview triggernot statedCode hostsnot stated 3/8spec lines stated 7.3
08 Codacy Free planYesPaid from18/user/moSecurity analysisYesCustom review rulesYesFix suggestionsnot statedDeployment modelnot statedReview triggernot statedCode hostsnot stated 4/8spec lines stated 7.2
09 Qodo Free planNoPaid fromnot statedSecurity analysisYesCustom review rulesnot statedFix suggestionsnot statedDeployment modelnot statedReview triggernot statedCode hostsnot stated 2/8spec lines stated 7.2
10 AI Code Reviewer Free planYesPaid fromnot statedSecurity analysisYesCustom review rulesYesFix suggestionsYesDeployment modelself hostedReview triggerautomaticCode hostsGitHub 7/8spec lines stated 6.9
11 PR Quorum Free planYesPaid from9.6/user/moSecurity analysisYesCustom review rulesYesFix suggestionsYesDeployment modelcloudReview triggerbothCode hostsGitHub 8/8spec lines stated 6.9
12 Macroscope Free planYesPaid fromnot statedSecurity analysisYesCustom review rulesYesFix suggestionsYesDeployment modelcloudReview triggerbothCode hostsGitHub 7/8spec lines stated 6.8
13 Mira Free planYesPaid fromnot statedSecurity analysisYesCustom review rulesYesFix suggestionsYesDeployment modelself hostedReview triggerbothCode hostsGitHub, GitLab, Forgejo, Codeberg 7/8spec lines stated 6.8
14 Sigilix Review Free planYesPaid fromnot statedSecurity analysisYesCustom review rulesYesFix suggestionsYesDeployment modelhybridReview triggerbothCode hostsGitHub 7/8spec lines stated 6.8
15 Merlin AI Code Review Free planYesPaid fromnot statedSecurity analysisYesCustom review rulesYesFix suggestionsYesDeployment modelself hostedReview triggerbothCode hostsGitHub, GitLab, Bitbucket, Azure DevOps, Gitea 7/8spec lines stated 6.7
16 BugLens Free planYesPaid fromnot statedSecurity analysisYesCustom review rulesYesFix suggestionsYesDeployment modelcloudReview triggerautomaticCode hostsGitHub 7/8spec lines stated 6.6
17 Kodus Free planYesPaid from10/user/moSecurity analysisYesCustom review rulesYesFix suggestionsYesDeployment modelhybridReview triggerbothCode hostsGitHub, GitLab, Bitbucket, Azure DevOps 8/8spec lines stated 6.6
18 PR-Agent Free planYesPaid fromnot statedSecurity analysisYesCustom review rulesnot statedFix suggestionsnot statedDeployment modelnot statedReview triggernot statedCode hostsnot stated 2/8spec lines stated 6.6
19 CodeKang Free planYesPaid from19/user/moSecurity analysisYesCustom review rulesnot statedFix suggestionsnot statedDeployment modelnot statedReview triggernot statedCode hostsnot stated 3/8spec lines stated 6.5
20 Moraine Free planYesPaid fromnot statedSecurity analysisnot statedCustom review rulesYesFix suggestionsnot statedDeployment modelcloudReview triggerbothCode hostsGitHub 5/8spec lines stated 6.5
21 Quellbot Free planYesPaid fromnot statedSecurity analysisYesCustom review rulesYesFix suggestionsYesDeployment modelhybridReview triggerbothCode hostsGitHub 7/8spec lines stated 6.5
22 Revue Free planYesPaid fromnot statedSecurity analysisYesCustom review rulesnot statedFix suggestionsnot statedDeployment modelnot statedReview triggernot statedCode hostsnot stated 2/8spec lines stated 6.5
23 Ellipsis Free planYesPaid fromnot statedSecurity analysisnot statedCustom review rulesnot statedFix suggestionsnot statedDeployment modelnot statedReview triggernot statedCode hostsnot stated 1/8spec lines stated 6.4
24 GitClaw Free planYesPaid fromnot statedSecurity analysisYesCustom review rulesYesFix suggestionsnot statedDeployment modelself hostedReview triggerautomaticCode hostsGitHub, GitLab, Bitbucket 6/8spec lines stated 6.4
25 Pullora Free planYesPaid fromnot statedSecurity analysisYesCustom review rulesnot statedFix suggestionsnot statedDeployment modelnot statedReview triggernot statedCode hostsnot stated 2/8spec lines stated 6.4
Compare all 25 in a table
| # | Tool | Score | Free plan | From | Free plan | Paid from | Security analysis | Custom review rules |
|---|---|---|---|---|---|---|---|---|
| 1 | CodeRabbit | 8.0 | Free plan | $0.40/mo | Yes | — | Yes | — |
| 2 | ThinkReview | 7.8 | Free plan | $10/mo | Yes | — | Yes | Yes |
| 3 | Bito | 7.5 | No | $1/mo | Yes | 12 /user/mo | Yes | — |
| 4 | Gitar | 7.4 | Free plan | $20/mo | Yes | 20 /user/mo | Yes | — |
| 5 | CodeAnt AI | 7.3 | No | — | No | 20 /user/mo | Yes | — |
| 6 | Greptile | 7.3 | Free plan | $30/mo | Yes | 30 /user/mo | Yes | — |
| 7 | Sourcery | 7.3 | Free plan | $12/mo | Yes | 12 /user/mo | Yes | — |
| 8 | Codacy | 7.2 | Free plan | $1.50/mo | Yes | 18 /user/mo | Yes | Yes |
| 9 | Qodo | 7.2 | No | $30/mo | No | — | Yes | — |
| 10 | AI Code Reviewer | 6.9 | Free plan | Free | Yes | — | Yes | Yes |
| 11 | PR Quorum | 6.9 | Free plan | $1.67/mo | Yes | 9.6 /user/mo | Yes | Yes |
| 12 | Macroscope | 6.8 | No | — | Yes | — | Yes | Yes |
| 13 | Mira | 6.8 | Free plan | Free | Yes | — | Yes | Yes |
| 14 | Sigilix Review | 6.8 | Free plan | Free | Yes | — | Yes | Yes |
| 15 | Merlin AI Code Review | 6.7 | Free plan | Free | Yes | — | Yes | Yes |
| 16 | BugLens | 6.6 | Free plan | $19/mo | Yes | — | Yes | Yes |
| 17 | Kodus | 6.6 | Free plan | $10/mo | Yes | 10 /user/mo | Yes | Yes |
| 18 | PR-Agent | 6.6 | Free plan | Free | Yes | — | Yes | — |
| 19 | CodeKang | 6.5 | Free plan | $19/mo | Yes | 19 /user/mo | Yes | — |
| 20 | Moraine | 6.5 | Free plan | $14/mo | Yes | — | — | Yes |
| 21 | Quellbot | 6.5 | Free plan | $29/mo | Yes | — | Yes | Yes |
| 22 | Revue | 6.5 | Free plan | $9/mo | Yes | — | Yes | — |
| 23 | Ellipsis | 6.4 | Free plan | Free | Yes | — | — | — |
| 24 | GitClaw | 6.4 | No | — | Yes | — | Yes | Yes |
| 25 | Pullora | 6.4 | Free plan | $9/mo | Yes | — | Yes | — |
Is your tool 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 Specifiction?
CodeRabbit is ranked #1 of 48 with a score of 8.0. ThinkReview is second and Bito third.
How many of these have a free plan?
20 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 on what each maker publishes, the fullest spec sheet first: how deeply the product is documented, the platforms it runs on, a free tier or trial to test it, and its standing. Paid placements never change a rank.
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