Everyone's focused on AI writing code. But the shift to AI reviewing code moved faster - 1 in 7 active PRs now have an AI reviewer, up from 1 in 100 eighteen months ago.
A few things that surprised us:
- Copilot overtook CodeRabbit in November despite CodeRabbit being purpose-built for review - native GitHub integration matters more than we expected
- Gemini went from near-zero to #3 in 10 months (43X growth). Google isn't marketing this aggressively yet
- AI agents authored 99K PRs but participated in 5.9M -automation is still heavily weighted toward review, not generation
- Some early entrants like Korbit have already shut down
Data is GitHub Archive + our anonymized corpus. Happy to answer questions on classification or edge cases.
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[ 3.7 ms ] story [ 14.9 ms ] threadEveryone's focused on AI writing code. But the shift to AI reviewing code moved faster - 1 in 7 active PRs now have an AI reviewer, up from 1 in 100 eighteen months ago.
A few things that surprised us:
- Copilot overtook CodeRabbit in November despite CodeRabbit being purpose-built for review - native GitHub integration matters more than we expected
- Gemini went from near-zero to #3 in 10 months (43X growth). Google isn't marketing this aggressively yet
- AI agents authored 99K PRs but participated in 5.9M -automation is still heavily weighted toward review, not generation
- Some early entrants like Korbit have already shut down
Data is GitHub Archive + our anonymized corpus. Happy to answer questions on classification or edge cases.