Visibility in this ranking can be paid for. Payment moves a vendor's position within the
shortlist; it never adds a vendor, and it never changes a word of the review. The largest vendors in AI code review tools
cannot hold places 1 to 3. Places 1 to 3 go to challengers, vendors outside the best-known brands in a category,
wherever the category has them; the established names follow from place 4 in their ranked order. How it works: placement disclosure ·
editorial process.
The 12 tools, reviewed
#1 Greptile
Graph-indexed AI reviewer for pull requests · United States · greptile.com
Free starter Graph index Self-hosting
Greptile takes first place because its review starts from a graph of the repository, so a comment can point at a caller or dependency outside the diff. The Starter plan costs nothing for one active developer, Pro is a flat $30 per seat, qualified open source projects are free, and early-stage startups can get 50 percent off.
- Pricing: Per seat plus credits. Starter is free for one active developer with 50 credits a month. Free plan: free plan.
- Best for: GitHub or GitLab teams wanting deep context
- Strengths: Repository graph index; Pull request review comments; Fix with your agent button.
Where it falls short
Credits turn a flat seat price into a metered one: a base review costs one credit, a Plus review three and an Apex review ten, and a seat includes only 50 credits a month.
Wrong for
Not for a team that wants one invoice covering static analysis, coverage and compliance reports, or one that cannot predict its monthly pull request volume.
Visit Greptile →
#2 CodeRabbit
AI pull request reviews, triage and pre-merge checks · United States · coderabbit.ai
Four Git hosts Pre-merge checks IDE and CLI
CodeRabbit is the broadest product in the ranking, and its own pages claim 17,000 customers and 6 million repositories. It posts summaries, walkthroughs and line comments on GitHub, GitLab, Azure DevOps and Bitbucket, then offers one-click fixes and pre-merge checks that enforce your own requirements. The command line and IDE reviews catch issues before the pull request exists.
- Pricing: Per user / month. Essentials $24, Team $48 and Advanced $72 per user per month on the annual toggle, a 14-day trial, and custom Enterprise pricing. Free plan: free trial.
- Best for: Teams wanting reviews in PR, IDE and CLI
- Strengths: Pull request summaries and walkthroughs; One-click fixes; Pre-merge checks.
Where it falls short
The ladder rises quickly: test generation and post-merge actions start at the $48 Team plan, and security-informed prioritization and architecture review sit at $72. The site now sells agentic change management, so reviews are one module among several.
Wrong for
Not for a very small team that needs the cheapest permanent free tier for private code, or one that wants a single flat price.
Visit CodeRabbit →
#3 Qodo
Multi-agent code review with cross-repository context · Israel · qodo.ai
Pooled credits Cross-repo review Israel-based
Qodo earns third place by pricing review activity instead of headcount. Credits are pooled across up to 30 users, packs can be switched at any time, and the Pro Team plan has no annual commitment. Its agents check a pull request against rules and against other repositories, which matters for companies with many services.
- Pricing: Credit packs, pooled. Pro Team packs priced at $0.012 per credit, from $30 for 2,500 credits (about 18 reviews) up to 20,000 credits, for up to 30 users, with a 14-day trial. Free plan: free trial.
- Best for: Multi-repo teams paying for review volume
- Strengths: Multi-agent pull request review; Rules system with no limit; Cross-repository review.
Where it falls short
Credits are harder to forecast than seats, since larger or more complex reviews draw more of them. Self-learning, custom agentic workflows and Gerrit support appear only on Enterprise.
Wrong for
Not for a team that wants a fixed per-seat bill or one with a single repository, where cross-repository review adds nothing.
Visit Qodo →
#4 GitHub Copilot code review
Copilot reviewer built into GitHub pull requests · United States · docs.github.com
GitHub only Major platform Effort levels
Copilot code review earns fourth place, and its status as a major platform keeps it out of the top three. Its strength is placement: Copilot appears in the Reviewers menu, reads instructions from the head branch, and can use skills and MCP servers, so rules can be tested in the same pull request that changes them.
- Pricing: Per seat plus AI credits. Part of GitHub Copilot, with Pro at $10, Pro+ at $39, Max at $100, Business at $19 and Enterprise at $39 per seat per month. Free plan: none.
- Best for: GitHub-only teams already on Copilot
- Strengths: Review requested as a pull request reviewer; Lite and Balanced review effort; Custom instructions in the repository.
Where it falls short
It reviews GitHub pull requests only. GitHub's documentation says Copilot is not guaranteed to spot all problems, and the product skips dependency manifests such as package.json, logs and SVG files.
Wrong for
Not for teams on GitLab, Bitbucket or Azure DevOps, or for a team that wants a vendor-independent reviewer.
Visit GitHub Copilot code review →
#5 Graphite
Stacked pull requests with AI review and merge queue · United States · graphite.dev
Stacked PRs Merge queue Cursor-owned
Graphite ranks fifth because its AI reviewer is one part of a workflow tool. The free Hobby plan covers personal repositories, Starter adds organization repositories at $20, and Team at $40 unlocks unlimited AI reviews, review customization, automations and the merge queue. Its pages claim a negative comment rate below five percent.
- Pricing: Per user / month. Hobby is free with limited AI reviews, Starter is $20 and Team $40 per user per month billed annually, and Enterprise is custom. Free plan: free plan.
- Best for: GitHub teams that stack small changes
- Strengths: AI reviews on pull requests; Graphite Chat; Stacked pull request CLI.
Where it falls short
The pages we read describe a product synced to GitHub, and Graphite is no longer independent, so its roadmap now follows Cursor. Unlimited AI reviews start at the $40 Team tier.
Wrong for
Not for GitLab or Bitbucket teams, or for a team that wants an independent vendor.
Visit Graphite →
#6 Sourcery
Perfectionist AI code review for GitHub and GitLab · United Kingdom · sourcery.ai
UK-based Free for open source Auto-approve
Sourcery is the lowest-priced paid reviewer in the ranking, with Pro at $12 per developer on annual billing and Team at $24 adding nightly security scans of 50 repositories. Public repositories on GitHub or GitLab are reviewed free, and every paid plan starts with 14 days of Team.
- Pricing: Per developer / month. Open Source is free for public repositories, Pro is $12 per developer per month on annual billing ($15 monthly), Team is $24 ($30 monthly), Enterprise is custom. Free plan: free trial.
- Best for: Small teams on GitHub or GitLab
- Strengths: Pull request summaries and diagrams; Line-level review comments; One-click suggested fixes.
Where it falls short
Support covers GitHub and GitLab, and Bitbucket and Azure DevOps teams are not mentioned on the pages we read. Self-hosting, GitHub Enterprise Server and bring-your-own LLM keys require the custom Enterprise plan.
Wrong for
Not for Bitbucket or Azure DevOps shops, or for teams wanting cross-repository analysis and workflow tooling.
Visit Sourcery →
#7 SonarQube
Static analysis and quality gates for code · Switzerland · sonarsource.com
Quality gates Self-hosted option Major platform
SonarQube is the reference point for rules-based code checks, and its major status keeps it out of the top three. It scans branches and pull requests on each push, applies curated rules across 30-plus languages, and blocks merges that fail a quality gate.
- Pricing: Per lines of code. SonarQube Cloud Team starts at $34 a month for up to 100k lines of code, a free tier covers private projects up to 50k lines, and SonarQube Server is priced per instance per year by lines of code. Free plan: free plan.
- Best for: Teams needing quality gates and compliance
- Strengths: Static analysis for 30+ languages; Quality gates on pull requests; Security hotspot detection.
Where it falls short
Pricing follows private lines of code, so a growing codebase raises the bill whether or not pull request volume changes. Sonar sells its AI pull request reviewer, Gitar, as a separate product at $20 per user per month.
Wrong for
Not for a team that wants an AI reviewer to catch logic errors in context, or one that cannot count lines of code in advance.
Visit SonarQube →
#8 Codacy
Code quality, security and coverage with an AI Reviewer · Portugal · codacy.com
Free IDE plugin Coverage Portugal-based
Codacy takes eighth place as the tool for a team that wants one invoice for review, quality and security. Its AI Reviewer combines deterministic analysis with context-aware reasoning and checks pull requests for missing tests, complexity, duplication and gaps between the description and the code.
- Pricing: Per developer / month. Developer IDE plugin is free; Team starts at $18 per developer per month yearly ($21 monthly) for up to 30 developers; Business is custom. Free plan: free plan.
- Best for: Teams wanting quality and security in one
- Strengths: AI Reviewer for pull requests; Merge gates; SAST, SCA and secrets scanning.
Where it falls short
The Team plan is built for up to 30 developers, with Business sold by quote. The AI Reviewer is one panel among quality, security and coverage settings, so tuning takes longer than at a specialist reviewer.
Wrong for
Not for a team that wants only pull request comments with deep repository context, or for companies above 30 developers who need public prices.
Visit Codacy →
#9 DeepSource
Static analysis plus AI agents for pull request review · United States · deepsource.com
Rules plus AI Usage-metered Harness-owned
DeepSource earns ninth place for a hybrid design: more than 5,000 deterministic rules run beside an AI review agent, and Autofix generates verified patches. Team costs $24 per user per month on yearly billing with unlimited repositories and pull request reviews. A free Open Source plan covers public repositories, and Enterprise adds bring-your-own keys, self-hosting and SSO.
- Pricing: Per user plus usage. Team is $24 per user per month billed yearly with $100 of AI Review credit per user per year. Free plan: free trial.
- Best for: Teams wanting rules and AI together
- Strengths: 5,000+ deterministic rules; AI Review agent; Autofix patches.
Where it falls short
AI Review is pay-as-you-go on every plan: the $100 annual credit per user covers a limited volume, then Standard review costs $8 and Advanced $15 per 10,000 processed lines.
Wrong for
Not for a buyer who wants a flat, fully predictable bill, or one who wants to avoid vendor change of control.
Visit DeepSource →
#10 Bito
Codebase-aware AI reviews in Git, IDE and CLI · United States · bito.ai
Self-hosted Git support Jira checks Line-metered
Bito earns tenth place on coverage rather than depth. Its reviewer supports GitHub, GitLab and Bitbucket in cloud and self-hosted forms, runs in the IDE, and checks pull requests against linked Jira tickets and Confluence pages. Team costs $12 per seat on annual billing, with a 14-day trial and no credit card.
- Pricing: Per seat plus lines. Team is $12 per seat per month on annual billing ($15 monthly) and Professional is $20 ($25 monthly). Free plan: free trial.
- Best for: Teams on self-hosted Git hosts
- Strengths: Pull request summaries and changelists; Line-level suggestions with one-click apply; Cross-repository impact analysis.
Where it falls short
Each seat includes 5,000 lines a month and extra lines cost $5 per thousand, so a large pull request can add a surprise charge.
Wrong for
Not for teams wanting a single-purpose reviewer with the clearest roadmap, or heavy-volume teams that cannot predict lines changed.
Visit Bito →
#11 CodeAnt AI
AI code review with security, quality gates and metrics · United States · codeant.ai
Quality gates Sequence diagrams Pentesting focus
CodeAnt AI takes eleventh place with a reviewer that comments inline, writes a pull request summary, draws a sequence diagram of how a change flows across services, and enforces quality gates before merge. Findings carry a severity assessment and a frequency label, and a Fix in IDE button hands the issue to Cursor, VS Code or Claude.
- Pricing: Tiered by product. Product tiers for AI Code Review, Code Security, Code Quality and Dev Metrics with a 14-day free trial. Free plan: free trial.
- Best for: Teams wanting review plus security scans
- Strengths: Inline pull request review; Pull request summaries; Sequence diagrams.
Where it falls short
The pricing page loads plan details in the browser, so a buyer cannot compare costs from the text we fetched. The home page now leads with an exploit-based pentest platform, not with review.
Wrong for
Not for a buyer who needs a published price list before a first call, or one who wants a reviewer-only vendor.
Visit CodeAnt AI →
#12 Snyk Code
Developer-focused SAST with automatic fixes · United States · snyk.io
SAST Auto-fix Security focus
Snyk Code lands last because it answers a narrower question than the rest: is this change exploitable. It scans in the IDE and in pull requests, explains each finding with context, and offers one-click automatic fixes. The vendor claims 80 percent accuracy for its fixes and says it models more than 25 million data flow cases, both unverified by us.
- Pricing: Flat tiers, credits on Enterprise. Free plan at $0 per month, Team from $25 per month billed monthly for up to 10 developers, and credit-based Enterprise pricing on request. Free plan: free plan.
- Best for: Teams whose review gap is security
- Strengths: Static application security testing; Real-time IDE scanning; Pull request scanning.
Where it falls short
It does not review logic, design or style, so it will not flag a broken caller or a missing edge case that carries no security risk.
Wrong for
Not for a team that wants an AI reviewer to read pull requests for bugs and conventions.
Visit Snyk Code →
Questions and answers
What is the best AI code review tool in 2026?
Greptile ranks first of 12, best for gitHub or GitLab teams wanting deep context. CodeRabbit is second (teams wanting reviews in PR, IDE and CLI) and Qodo third (multi-repo teams paying for review volume). Places 1 to 3 go to challengers, vendors outside the best-known brands, wherever the category has them.
How much do AI code review tools cost?
Published per-user prices run from $12 per developer per month for Sourcery Pro on annual billing to $72 per user for CodeRabbit Advanced.
Can an AI reviewer replace human code review?
Not on the evidence of the vendors' own documentation. GitHub states that Copilot is not guaranteed to spot all problems and tells users to supplement its feedback with human review.
Do these tools work with GitLab and Bitbucket, or only GitHub?
It depends on the product. Greptile lists GitHub, GitLab, Bitbucket, Gitea and Perforce, and CodeRabbit lists GitHub, GitLab, Azure DevOps and Bitbucket. Bito supports GitHub, GitLab and Bitbucket, including self-hosted editions. Sourcery covers GitHub and GitLab.
Is my code used to train models?
The vendors that address it say no for customer code. Sourcery states that your code is used only for the review, that no copy is kept afterwards, and that it is never used to train a model.
What is the difference between an AI reviewer and a static analyzer like SonarQube?
A static analyzer applies fixed rules and reports the same finding every time, which suits quality gates, compliance and coverage tracking.
How noisy are AI code reviewers, and can the noise be tuned?
Every tool here can be tuned, and the vendors treat noise as the main quality issue. Greptile learns from thumbs-up and thumbs-down reactions and says it stops commenting on ignored topics after two to three weeks.
Is there a free AI code review tool?
Yes, in several forms. Greptile Starter is free for one active developer with 50 credits a month, and Graphite Hobby is free with limited AI reviews.
Which tool is best for security issues rather than logic bugs?
Snyk Code is the dedicated security option here, built as static application security testing with automatic fixes in the IDE and pull requests.
What happens if the vendor is acquired?
Two vendors in this ranking already faced it.
How long does it take to set up an AI code review tool?
Installation is short, tuning is not. Greptile quotes five minutes to the first review, Graphite says under three minutes to the first bug catch, and Codacy says a full scan completes within minutes.
