8 AI Code Review Agents That Critique Diffs Before Commit
SSOJet, Monday, June 22nd, 2026
A comparison of eight AI code review agents that analyze pull request diffs before merge.
The article evaluates CodeRabbit, Cursor Bugbot, Greptile, Qodo Merge, GitHub Copilot Code Review, Graphite Agent, Sourcery, and Codacy AI Reviewer as production tools for automated diff analysis.
These agents use LLMs to catch multi-file logic bugs and security issues before human review, with pricing from free tiers to $30/user/month.
CodeRabbit leads adoption with over 6 million repositories reviewed and 75 million defects found, while Greptile differentiates via full-codebase indexing.
Key buying factors include platform support, per-seat versus usage-based pricing, and noise management through adaptive learning.