Review economics

tobi/qmd

Read from the 100 most recently merged pull requests ·

Pull requests with attributed agent authorship took 1.7× the time to merge of the rest.

≥14%

Attributed

a floor

20

Attributed PRs

80

Other PRs

100

Read

Per pull requestAttributedRestRatio
Review rounds0.00.0
Reviews submitted0.00.10.0×
Reverts0.00.0
Time to merge8.9d5.3d1.7×

How this was measured

14% 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; reads 100 of 128 merged PRs — the rest have not been analyzed yet.

Detected: OpenAI Codex, Claude Code.

“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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