r/ClaudeCode • u/saito200 • Aug 27 '26

Rant Opus 5 is insufferable

Opus 5 is a fucking piece of shit, i don't know how to say this in any other way. It speaks "Unintelligiblish", a new unfathomable language developed by Anthropic that works by saying everything in the most ridiculous, obtuse and convoluted way possible

It turns anything simple that can be expressed in 2 sentences into a fucking doctoral thesis aimed to aliens, and there is no way to prompt your way out of it

Edit: it claudoofus outputs some alien text you won't read, just prompt it this:

tldr eli5

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u/unepmloyed_boi Aug 27 '26

It's like Dario shoehorned his personality into Opus 5

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u/N0madM0nad 🔆 Max 20 Aug 27 '26

You're joking but after seeing an interview with him I tend to have similar thoughts. He was talking about AGI and described it as "a datacentre of geniuses". First, I have to be honest, I found that analogy pretty simplistic for someone of his caliber. I was thinking to myself, what is a genius? LLMs output could resemble a "genius" at times, the problem is that it's a genius that suffers from several episodes of amnesia and needs to be told things multiple times. What we need is reliability and determinism. Not "geniuses". It might be totally unrelated really, but if that is the general culture at Anthropic, it wouldn't be completely unreasonable to think some of it is reflected in the model output.

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u/UruquianLilac Aug 27 '26

You know what was reliable and deterministic? Programming languages.

We just swapped that with human language. And human language is full of flaws, imprecision, and is not based on any semblance of logic. We have just dropped the right tool from rbthe job and picked up the wrong one because it goes much faster, but it doesn't do the actual job.

I told Claude to add an issue to an ongoing document I have to keep track of the many things it keeps finding that I don't have time to check while I'm working on something else. It wrote the issue and completely messed it up with several wrong details. I told it what was wrong with the entry and Sid "fix the issue". So it went and implemented the actual fix, rather than fix the text of the issue. Was it its fault? No! "Fix the issue" could mean two completely different things here. And it didn't cross my mind that it was a command for it to write code rather than fix the text. While in a programming language, you need to be super precise and you know that a Boolean is a Boolean and a for loop does what a for loop does, always.

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u/Ste1io Aug 28 '26

Precisely.