90% of PRs over 1k lines ship without any code review (800K PR analysis)(codepulsehq.com)
codepulsehq.com
90% of PRs over 1k lines ship without any code review (800K PR analysis)
https://codepulsehq.com/research/code-review-study-2025
https://codepulsehq.com/research/code-review-study-2025
Other findings: self-merge rates hit 71%, bot PRs collapsed from 62% (2022 peak) to 15.5%, and first-time contributors now wait 38% longer vs 53% last year.
We also looked at how OpenAI Codex, Gemini CLI, and Claude Code ship compared to the benchmarks. Happy to answer questions about methodology.