Coding agents write 30% more code and 49% more review time, with no ticket gains

emmanuelvivier · x · 2026-10-18

New data shows AI coding agents increase lines of code by 30% and code review time by 49%, without any measurable gain in tickets resolved.

The takeaway: agents currently produce more code, not more software — generated volume shifts cost onto human review, making net productivity gains questionable.

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