pull-requests
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33,000 Agent PRs Tell a Brutal Story: Codex Dominates, Copilot Struggles, and Your Monorepo Might Not Survive
Drexel/Missouri S&T analyzed 33,596 agent-authored GitHub PRs from 5 coding agents. Overall merge rate: 71%. Codex: 83%, Claude Code: 59%, Copilot: 43%. Rejection cause: no review. LeadDev warns PR flood is crushing monorepos/CI.