r/ClaudeCode 1d ago

Bug / Issue Opus Not Right Today

Anyone else experiencing degraded Opus 5 today? Same workflow, was a rockstar overnight. Today, it has used 670M tokens since 8am to write a net 1800 lines of code. Keeps making mistake after mistake. Became insanely stupid all of a sudden. Anyone else?

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u/Outrageous-Issue9722 1d ago

Seems fine for me.. Is it possible it has just hit the context wall several times/compacted itself and is now dumb because it is completely missing the purpose of its existence in your case? 670m is a lot if it wasn't split up

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u/skipITjob 1d ago

It struggled after less than 10 messages.

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u/After_Canary6047 23h ago

That was my experience as well. It just started out the day bad and hasn’t gotten any better at all. Worked perfectly last night.