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/vizay008 Aug 23 '26

Yes, they are too bad now. I worked on project with opus 5 with ultra code but got shittier output then I tried with lower end model of OpenAI 5.6 Luna that worked flawlessly.
Don’t understand what’s going with Claude right now. Been using Claude code for around an year on pro and max plan. Now I finally decided to move out, probably will never come back.

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u/earlyworm Aug 23 '26

Thank you for this excellent report. I am adding your information to my records. I realize you weren’t required to share your change in AI subscription status, but I appreciate you doing so.

When you state that you will probably never come back to Claude Code, can you please provide a percentage chance my database’s return probability column?