Users Report Claude's New Models Lag Behind Opus 4.6

anmarasovic · x · 2026-07-04

Researchers note that early Claude models like Opus 4.6 could accurately infer user intent and provide concise, non-redundant answers. In contrast, while Fable 5 and Claude 4.8 possess greater knowledge, their ability to understand "what users truly want" has noticeably deteriorated. The user's curiosity about the technical reasons behind this regression sparked a discussion on the degradation of instruction-following capabilities in new models.

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