Are you sure? Opus 5.5 is damn good ... I think I'm addicted, to be honest.
(Using it for scientific python code + 3D UIs)
It's very good, all new models are excellent but it's still very far from what they presented as a general AI which solves all our problems.
But issues is that for the valuations you need models that work without human expert and Opus 5.5 isn’t there even easy stuff like programming.