Users on the r/ClaudeAI subreddit are reporting a perceived decrease in output quality from Anthropic's Opus and Fable models. This degradation in performance, characterized by models drifting off-task, producing incomplete code, and ignoring prompt constraints, appears to coincide with a reported bug where session limits were consumed without active usage. Some users are questioning if the bug is directly impacting model performance or if it's a separate issue. AI
IMPACT Potential user dissatisfaction and questions about model reliability could impact adoption.
RANK_REASON User-reported subjective degradation of model performance, not an official release or benchmark.
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