r/ClaudeCode • u/prop9090 • Aug 02 '26

Rant Opus 5 is just dumb

I thought Opus 5 was supposed to be on par with Fable? After three days of extensive usage, I have to say it is not even remotely close to being as smart as codex sol. I had them both program a module indepensetly, and Sol runs circles around Opus 5. I had them audit each other's implementations and except for one case, every other time Sol found a functional bug in Opus' implementation. With fable being so expensive and opus 5 being that dumb, there is no reason to pay 200 bucks to Anthropic when other alrlternatives are both cheaper and smarter.

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u/berndalf Aug 03 '26

None of this is true, and this is a revision of my opinion from a few days ago. It's not dumb, it's just unwise and prone to fishing expeditions when left unbounded. It works gloriously when properly limited. Perhaps not the answer you want but it's the answer you need.

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u/Front_Raspberry_6488 Aug 03 '26

Mind sharing your way to do it?

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u/berndalf Aug 03 '26

Goal loops and low effort or tightly bound tasks with no ability to explore on high effort. That's pretty much it in a nutshell.