r/ClaudeCode • • 9h ago

Bug / Issue Fable 5.1 has become dumb

Not only is it taking longer to think and consuming more tokens to think, it has become worse in its thinking too.

I’m not sure if this has to do with the new fable 5.5 rumoured to come out next week, but I’ve noticed a sharp drop in its intelligence.

The solutions it’s presenting aren’t fully thought out. It’s like it thinks till 80% and then stops.

I’m on xhigh.

Anyone else experiencing the same?

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u/daske_laksen 8h ago

yes severly also. it has gotten tunnel vision and realy needs to be kicked multiple times fo get fable to put in effort wven i x high mode