# "Opus 5 is a really bad model"

> Source: <https://twitter.com/HarukaKunori/status/2081697911847481502>
> Published: 2026-07-28 04:03:10+00:00

- i feel like i’m being lied to here. i’ve been the biggest gpt > claude guy. but sol is pathetic. it makes every task into a token chugging monster and fails to deliver on my explicit goal, instead chasing random engineering concerns outside of the scope.
- its /awful/, Opus-5 makes me feel like setting my hair on fire out of frustration. it's annoying to work with for high tasks: it constantly makes bad decisions and large mistakes so any token-usage you saved by not using Fable instead is useless/worse. It's a slop-cannon.
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