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AI code review benchmarks

An app has the highest F1 in 5 of the 6 review types where apps were graded; a model leads Docs Review (Gemini 3.8 Flash, 68.6%). Each review type's best model costs $0.01–$0.42 a review in measured inference; the apps' list prices come to about $1.00–$2.00 a review, an estimate on a different basis.

Review typeBest modelF1$ per reviewp50 timeBest appApp F1PRsLabelsSnapshot
Code ReviewMuse Spark 1.356.6%$0.423m 18sQodo v258.5%50Independent
Security ReviewGLM 5.3 Flash66.7%$0.011m 38sQodo v273.3%13Provisional
AI Architecture ReviewDeepSeek V4.1 Flash47.1%$0.056m 14sCodeRabbit72.7%11Provisional
Log & Errors ReviewGemini 3.8 Flash67.7%$0.101m 28sQodo v272.7%17Provisional
Docs ReviewGemini 3.8 Flash68.6%$0.0859 secCodeRabbit55.6% (11/19 PRs)19Provisional
API Performance ReviewMuse Spark 1.356.0%$0.0642 secGreptile v4.176.9% (12/18 PRs)18Provisional
SOC 2 ReviewGLM 5.3 Flash66.7%$0.0134 secNot graded—20Provisional
CI/CD PerformanceDeepSeek V4 Pro72.7%$0.031m 22sNot graded—18Provisional
Cost ReviewDeepSeek V4.1 Flash57.1%$0.0710m 39sNot graded—20Provisional

A review type's best model is its highest-F1 IonWarp model graded on every PR. Two models that show the same F1 are a tie, and a tie goes to the cheaper one, then the faster one. Review times come from runs on Sep 8–24, 2026 (models). Code Review's PRs and labels come from the independent Martian code-review-bench; every other review type uses provisional labels IonWarp scoped itself. Open a review type for every model and app, ranked by Reviewer Score.

How we measure