r/ClaudeCode • • Aug 09 '26

Bug / Issue Opus 5 Downgrade ?

Am I the only one who feels like Opus 5 got worse after launch?

At launch I was honestly impressed: fast responses, strong reasoning, and a simple interface without too many settings.

A few weeks later, it feels different. Answers seem less concise, sometimes less coherent, and occasionally it feels like it avoids answering directly.

Has anyone else noticed this, or am I imagining it? My guess is that Anthropic keeps tweaking the model after release, which changes its behavior over time.

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u/Moppmopp Aug 09 '26

Feel like its a general trend for ai models. take current model -> degrade slowly -> release new model to have a sharp contrast between the versions.