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How to Run the ROI Math on an AI Code Reviewer Before Building or Buying

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A DEV Community guide lays out a framework for judging whether an AI code reviewer pays off in 2026. It cites Cloudflare's in-house reviewer, which averaged $1.19 per review in its first 30 days. The author argues that review, not code writing, is the bottleneck, with surveys showing many leaders struggle to prove AI's return. The proposed formula compares reviewer hours and defects caught against tool, build, and triage costs. It recommends piloting on a few representative repositories and recording baseline metrics such as time to first review, time to merge, and post-merge defects.

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