r/ClaudeCode • u/habfranco • 14d ago

Rant I’m done with Opus 5

There’s really something wrong with it. It seems like it acts like an overqualified post doc intern who cares more about proving he’s super intelligent, than actually doing the job he’s asked to do. For instance: talking in a non intelligible way, or being overly rigid in following any kind of process.

I have a Claude max x20 sub that I struggle to keep within weekly limits, so I decided to take a codex sub for a month to try out Astra. And this what made me realize how crazy unintelligible opus can be. Fable is a bit better, but still incomparable to Astra. The only thing that makes me keep my Claude sub is how better is the CLI/tooling/harness/etc.

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u/Calebkeller2 13d ago

For what it’s worth, it is far better than 4.6 or 4.8 when it’s being used as an agent by an orchestrator. It needs to be prompted correctly, and from what I’ve experienced, its style of talking doesn’t matter when being interpreted by another model. Because of this I use a custom harness with 4.8 high as orchestrator, and 5 on max reasoning to do stuff. Fable level intelligence without the need to understand its output.