High-signal review
Review this diff for bugs, security vulnerabilities and data-loss risks only. Ignore style. For each issue: file and line, why it is a problem, a concrete failing scenario, and a fix. If you find nothing serious, say so.
Build software
Best agent for code review & security
Reviewing pull requests for bugs, security issues and maintainability.
Full ranking
Task index, 0 to 100. Bars are scaled to the field, so small gaps look small.
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- 5GitHub Copilot reviewGitHub · Platform−11.085
Built into GitHub PRs.
Key takeaways
- 1AI review catches real bugs but is not a substitute for human ownership.
- 2Opus 5.5 leads on finding subtle logic and security bugs.
- 3Tune for signal: fewer, higher-confidence comments.
Recommended setup
Automated review on every PR with a frontier model, tuned to report only high-confidence issues, plus a deeper security pass on sensitive changes.