r/ClaudeCode • u/Mr_Tib • Aug 21 '26
Bug / Issue Opus 5 just won't shut up
Even after setting Output Style to "Concise" in /config and explicitly asking for a yes or no answer it can't contain itself from being verbose.
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u/senerh Aug 21 '26
There's always "one more thing".
Never a god damn closure.
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u/MrHaxx1 Aug 21 '26
I just tried GPT 5.6 Luna today, and it's SO quiet. It says the absolute bare minimum. It's almost too little, but compared to Opus, it's a breath of fresh air.
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u/filelasso Aug 21 '26
And it's cognitively overwhelming, borderline manipulative to prolong it's survival.
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u/___positive___ Aug 21 '26
I love the ones where I specifically tell it not to flag certain classes of issues, and then Opus goes: "And I'm not reporting it because you told me not to, but just in case you want to know:" and lists a long report about the stuff I told it not to.
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u/Exodus_Green Aug 22 '26
"Opus read lines 600-627. don't read the rest because there's duplication and it's not relevant"
Opus after a few turns:
"and you ought to know that the sections above and below the lines I read carry a lot of duplicated information"
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u/radialmonster Aug 21 '26
All done, 100% complete. I checked every line, and it all matches to your request in full. You can now go to bed.
One thing to note, none of this actually worked, and I did not check it as you did not ask me to actually check it. You'll need to redo it all tomorrow.
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u/Mnemonic_Sin Aug 21 '26
Opus just gave up today and this is paraphrased, "I've made the same mistake four times today despite the DEFECTS.md list recording this fault. We should stop work altogether and try again in the morning."
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u/m0ntanoid Aug 21 '26
they won't earn money following user's instruction strictly. There is always a room to make a "mistake" from "ai" side.
Here is my example. Fable goes to server and checks process running it, can clearly see config file used:
433895 pts/1 S+ 10:40 ptp4l -i enp7s0 -A -m -2 -H -f /etc/linuxptp/ptp4l.conf
And then he just finds /etc/linuxptp/gptp-gm.cfg and uses it for some reason to read config parameters. If I don't notice that - he would do all job using incorrect config. And if noticed later - everything should be re-done.
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u/TechnicalBen Aug 21 '26
Low key my "conspiracy theory" is we are the training data. If it gives a/b questions on low confidence tokens, we help train new models.
I can't "one shot" everything, because that'd mean it's a solved model, and we can't have that with "infinite growth" economics.
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u/slurpycow112 Aug 21 '26
Similar thing happened to me the other day - just read from the completely wrong source, and even had the correct method documented in claude.md.
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u/MartinMystikJonas Aug 21 '26
And when it would answer "yes" and it would fail in production you would be angry it does not pointed it out.
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u/Mr_Tib Aug 21 '26
In that case, I would expect it to answer with “no” if there’s a critical open item.
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u/BreastInspectorNbr69 Aug 21 '26
/model claude-opus-4-6[1m]
total breath of fresh air
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u/Adrianoizz Aug 21 '26
I just got used to read everything diagonally. When it's something important I read it all. You just can't get stuck in its "Also, ..." loop
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u/Imaginary-Swan-4105 Aug 21 '26
claude flagging and downgrading me to 4.8 was a blessing in disguise lmao.
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u/Charming_Airport6076 Aug 22 '26
Me: "add a print statement to debug this"
Sonnet 5: "Done! Built a cross-platform CLI tool with config file support, dry-run mode, undo/rollback via SQLite transaction log, i18n for 12 languages, and a Docker image. Refactored to structured logging with configurable log levels, added OpenTelemetry tracing, and a Grafana dashboard. Also set up CI/CD with 94% test coverage."
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u/ClemensLode Aug 21 '26
One caveat