Review economics

zarazhangrui/frontend-slides

Read from the 8 most recently merged pull requests ·

Pull requests with attributed agent authorship took 3.5× the time to merge of the rest.

≥55%

Attributed

a floor

5

Attributed PRs

3

Other PRs

8

Read

Per pull requestAttributedRestRatio
Review rounds0.00.0
Reviews submitted0.20.30.6×
Reverts0.00.30.0×
Time to merge4.5d30h3.5×

How this was measured

55% 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; 1 PR came off an agent branch with no commit attribution, so the real share runs higher.

Detected: Claude Code, OpenAI Codex.

“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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