Best AI models for code review

20 models ranked by quality score, sorted by rank with pricing and best-value picks.

Verdict

For code review, use Claude Sonnet 4.6 for quality or Claude Sonnet 5 for cost. The quality gap between #1 and #2 is -1 points.

FAQ

What is the best AI model for code review?

Claude Sonnet 4.6 ranks #1 for code review with a confidence score of 95/100.

What is the cheapest good model for code review?

Claude Sonnet 5 is the best value for code review at $2.00/$10.00 per million tokens with a confidence of 96/100.

Confidence scores are a third-party benchmark snapshot from week 29 of 2026. This snapshot is 8 weeks old, so treat the scores as directional and validate against your own evals.

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