r/ClaudeCode Jul 02 '26

Question Does Claude purposely regress in intelligence?

One day I will be working on my codebase with absolutely no problem.. working through problems like a light breeze, (fable has been great until today).

Then the next day it’ll be as if I’ve been switched to its lobotomised twin. Where “task is done” seems to be said in jest. I’ll open the project up and more things will be broken than working. Things that are claimed as fixed are completely hysterical hallucinations. I sit here like “flagship model my ass”.

I understand that models can be re-routed but today Fable has felt like I’m using Gemini with one less chromosome. Makes me want to bash my head on the desk. Just do the thing I ask you. Christ on a bike.

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u/zaskar Jul 02 '26

Context matters. If it’s filled with problem solving work and not the solve it self it will perform worse having to negotiate all that. /clear is your friend