Unverified50% confidenceBenchmarkExact time
After Anthropic fixed the review loop, the proportion of PRs passing in a single review/fix round rose from 65% to 78%, the proportion of PRs requiring more than 5 rounds fell from 8.9% to 1.5%, and the average number of review rounds needed to pass fell from 2.08 to 1.32.
1
Sources
50%
Confidence
Medium-term (~90 days)
Relevance
10/17/2026
First Seen
Valid until: 1/15/2027
Sources
Related Entities
Related Claims
UnverifiedIn the control condition, all judges' scores moved by 7 to 8 points, while the effect of outcome on the score was about 1 point, and it always decreased in the harm version.72% similarUnverifiedIn code review tests, Opus 5.5 improved recall on more difficult pull requests from a baseline of 54% to nearly 77%, but the number of comments increased by approximately 20%.69% similarUnverifiedResearch indicates that the effective review capacity of a human reviewer for a single PR is approximately 200–400 lines of code, beyond which review quality declines significantly.69% similarUnverifiedThe code review stage has not kept up with the pace of code generation at all: review time increased by 49%, the proportion of PRs requiring rework nearly doubled, and the number of comments in reviews increased by about one third.68% similarUnverifiedRewriting one criterion in a prompt causes the pass rate of other criteria within the same prompt to fluctuate by 5 to 10 percentage points.67% similar
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