User Slams Claude Opus 5 as 'Token-Hungry and Incredibly Stupid'

vasuman · x · 2026-07-30

Developer @vasuman criticized Claude Opus 5 for its poor performance, calling the model extremely token-hungry and stupid. He noted that it under-explains code changes while over-indexing on meaningless words, advising users to avoid it.

Related event: Developers Complain About Severe Degradation in Claude Opus(4 posts)→

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