Best GitHub Copilot Alternatives for Code Review in 2026
GitHub Copilot's code review capabilities are still maturing and largely limited to its pull request integration on GitHub. If you need more thorough automated review, security-focused analysis, or AI that integrates into your existing review workflow, these alternatives provide deeper and more configurable code review experiences.
Quick Comparison
| Tool | Pricing | Rating |
|---|---|---|
| CodeRabbit | Free plan Pro $15/user/month | 4.5 |
| Sourcery | Free plan Pro $12/user/month, Team $25/user/month | 4.3 |
| Snyk Code | Free plan Team $25/user/month, Enterprise custom | 4.4 |
| Cursor | Free plan Pro $20/month, Business $40/user/month | 4.1 |
| Greptile | Free plan Pro from $20/user/month | 4.2 |
Detailed Reviews
CodeRabbit
An AI-powered code review tool that automatically analyses pull requests, providing line-by-line feedback on bugs, security issues, and code quality.
Pros
- +Automatic, thorough PR reviews with actionable line-level comments
- +Learns your team's coding standards and conventions over time
- +Integrates with GitHub, GitLab, and Azure DevOps
Cons
- -Can be noisy with too many minor suggestions on large PRs
- -Occasionally flags acceptable patterns as issues
- -Requires tuning to match your team's review standards
Pricing
Sourcery
An AI code review assistant that focuses on code quality improvements, suggesting refactoring and cleaner patterns during the review process.
Pros
- +Excellent at suggesting cleaner, more Pythonic code patterns
- +Configurable rules let you enforce your team's specific standards
- +Works as both a PR reviewer and real-time editor assistant
Cons
- -Strongest for Python, less comprehensive for other languages
- -Suggestions can be opinionated and may not match your style
- -Free tier limited to public repositories
Pricing
Snyk Code
A security-focused AI code analysis tool that identifies vulnerabilities, suggests fixes, and scans dependencies during the review process.
Pros
- +Industry-leading security vulnerability detection in code
- +Scans both your code and third-party dependencies for known issues
- +Provides fix suggestions with detailed vulnerability explanations
Cons
- -Focused on security, does not cover general code quality or style
- -Can produce false positives that require triage
- -Enterprise pricing can be significant for larger teams
Pricing
Cursor
An AI editor that can review code diffs, explain changes, and suggest improvements through its chat interface with full codebase context.
Pros
- +Reviews code with full understanding of your codebase context
- +Can explain why changes might cause issues in other parts of the project
- +Interactive review where you can ask follow-up questions
Cons
- -Not a dedicated review tool, lacks PR integration
- -Manual workflow: you must ask it to review rather than automatic
- -No persistent review history or tracking
Pricing
Greptile
An AI code review tool that indexes your entire codebase to provide reviews that understand project-wide patterns, conventions, and potential impact.
Pros
- +Deep codebase indexing means reviews understand project-wide impact
- +Catches issues that surface-level reviewers miss entirely
- +Integrates directly into GitHub PR workflows
Cons
- -Initial codebase indexing takes time for large repositories
- -Newer product with a smaller track record than established tools
- -Pricing can escalate for very large codebases
Pricing
Our Verdict
CodeRabbit is the best all-round automated code review tool, delivering thorough, actionable feedback directly in your PRs with minimal setup. For security-focused review, Snyk Code is essential and complements any general review tool. Greptile's deep codebase understanding produces the most context-aware reviews, making it ideal for teams working on large, complex projects. Use Sourcery if Python code quality is your primary concern.