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Research2026-04-21 · source-backed
Researchers analyzed 61,837 GitHub Actions runs from 2,355 repos triggered by PRs from Claude, Devin, Cursor, Copilot, and Codex. Substantial differences in pass rates across bots. This is the first empirical data on how AI-generated code actually performs under real CI/CD constraints.
Each link below shares sources, entities, or timing with this story.
Claude benchmarked against Devin / Shared entities / Same source domain / Shared topic / What happened next
Linked by a graph relationship (Claude benchmarked against Devin); both cover CLAUDE, Copilot, Cursor, Devin; reported by the same outlet (arxiv.org).
Linked by a graph relationship (Claude benchmarked against Devin); both cover CLAUDE, Copilot, Cursor, Devin; reported by the same outlet (arxiv.org).
Claude benchmarked against Devin / Shared entities / Shared topic / What happened next / Tension
Linked by a graph relationship (Claude benchmarked against Devin); both cover Claude, Codex, Copilot, Cursor; overlapping topics (claude, code, codex, coding, constraint).
Claude benchmarked against Devin / Shared entities / Shared topic / What happened next
Linked by a graph relationship (Claude benchmarked against Devin); both cover CLAUDE, Codex, Copilot, Cursor; overlapping topics (claude, code, codex).
Linked by a graph relationship (Claude benchmarked against Devin); both cover CLAUDE, Codex, Copilot, Cursor; overlapping topics (claude, code, codex, copilot, cursor).
Linked by a graph relationship (Claude benchmarked against Devin); both cover CLAUDE, Codex, Copilot, Cursor; overlapping topics (claude, code, codex, copilot, cursor).
Cursor supports Claude / Shared entities / Shared topic / What happened next / Tension
Linked by a graph relationship (Cursor supports Claude); both cover Codex, Copilot, Cursor; overlapping topics (claude, code, codex, copilot, cursor).
Claude benchmarked against Devin / Shared entities / Shared topic / What happened next / Tension
Linked by a graph relationship (Claude benchmarked against Devin); both cover CLAUDE, Copilot, Cursor, PRs; overlapping topics (claude, code).