Users report Opus 5.5 'nerfed' today, comparing it unfavorably to Sonnet 3
jasonkneen · x · 2026-09-27
Developer Jason Kneen reports that Opus 5.5 was 'completely nerfed' today, saying it feels as weak as Sonnet 3. Such user feedback may indicate an unannounced model downgrade or quality fluctuation, worth cross-checking with other user reports.
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