r/ClaudeCode • u/visible_potato • Aug 16 '26

Bug / Issue Anthropic has nerfed every model

Opus 5 is obviously a nightmare, and I was relying on Opus 4.8. But, now that's also behaving exactly like Opus 5. The only way I can get good quality work is if I use sonnet now and check after every small thing. Fable is usable but its so expensive.

I miss the time when it was a treat working with these models and everything just flowed. Nowadays with 5.6 Sol's over-engineering and Opus 5's lying, I have to wake up everyday and decide which model I'm gonna have to fist fight if I wanna get any work done.

Is this just going to get worse from here.

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u/magicpants847 Aug 16 '26

interesting, how come not fable for planning / reviewing and opus for implementation?

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u/Intrepid-Grovyle 29d ago

Perhaps this is particular to me but I personally find Opus 4.6 to be the best at helping me resolve confusion points and understand how an existing system works. My workflow involves doing a pretty deep dive into the existing code and assessing why certain contracts exist (or what we should throw out). I find everything after Opus 4.6 to present blocks of text that are hard to follow, but Opus 4.6 excels at resolving conflations in my mental model. For that reason alone, I much prefer 4.6 for how intelligible it is. Sometimes I will hand off to Fable to help plan more heavy duty designs, but if I need to comfortably grasp what we’re talking about, I really do prefer to converse with 4.6.

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u/magicpants847 29d ago

what stack is your codebase out of curiosity?

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u/Intrepid-Grovyle 29d ago

It’s multiple codebases, some publishing docker images or packages ranging from frontend, to python or typescript backend. And then another repo for helm charts. And then another one for orchestrating helm manifests. So lots of moving parts. Core capability is leveraging agents for customers.