Reddit user suspects Opus 5.5 got worse after circular bug-hunting, benchmarks show no clear decline
hypesfo · reddit · 2026-11-02
A developer reports Opus 5.5 kept going in circles on a UI bug and never found the root cause, forcing a manual line-by-line code review. Checking public benchmarks, they found normal variance but no clear downward trend, while cautioning that benchmarks can be gamed. The post asks whether others are seeing similar degradation, a classic model-drift discussion.
Related event: Users Claim Opus 5.5 Has Been Weakened, Benchmarks Show No Drop(2 posts)→
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