Review economics

stanfordnlp/dspy

Read from the 100 most recently merged pull requests ·

Pull requests with attributed agent authorship took only 0.7× the reviews submitted of the rest.

≥18%

Attributed

a floor

25

Attributed PRs

75

Other PRs

100

Read

Per pull requestAttributedRestRatio
Review rounds0.00.0
Reviews submitted0.81.10.7×
Commits after first review2.41.12.1×
Reverts0.00.0
Time to merge6.8d4.2d1.6×

How this was measured

18% of merged commits carry agent attribution — a floor, not the share; tools that only complete code inline leave no commit trail, so the unattributed side includes AI-assisted work; 4 PRs came off an agent branch with no commit attribution, so the real share runs higher; reads 100 of 1675 merged PRs — the rest have not been analyzed yet.

Detected: OpenAI Codex, Amp, Claude Code, Devin.

“Attributed” means a commit carried an agent’s signature — a co-author trailer, an agent commit identity, or an agent bot account. Tools that only complete code inline leave no such mark, so the other column is “rest”, not “human-written”. Full method and its limits

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stanfordnlp/dspy — the review cost of AI-authored code