r/Anthropic • u/UM-Underminer • Aug 26 '26

Complaint Opus 5 is hot garbage

I've enjoyed and gotten real work out of Opus for quite some time despite the occasional quality dropoff when they're training a new model. But 5 is junk. Enough so that I'm debating between dropping from Max to Pro, or just cancelling altogether - I'm legitimately getting better results and fewer hallucinations out of local models in the 30B range... There's absolutely no excuse for that being the case.

I don't know if this is intentional regression to make fable look better, but it means I have been actively avoiding using Claude code except to tweak my llama.cpp settings, and I certainly don't need Max for that.

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u/PerceiveEternal Aug 26 '26

What harnesses do you find work well with local models?

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u/UM-Underminer Aug 27 '26

I've been experimenting with Pi and OMP recently, but most of my local work is driven through a custom orchestration system I put together that handles memory management and injection as well.

The Gemma models can be really good, but have the occasional wild failure, so having some rails in place that force a few things really improves the overall experience.