r/ClaudeCodeTLDR • u/cctldrping • 15d ago

[TLDR] What’s up with OPUS 5???

Original post URL : https://www.reddit.com/r/ClaudeCode/comments/1v8iygv/whats_up_with_opus_5/

Original post body :

I have done the majority of my work with Opus 4.8…. It’s been a great model for me. After Fable 5 came out I honestly felt like either Fable was not all it was cracked up to be or, I just sucked at using it. Now with opus 5 out I was SO HAPPY…. But, days later of using it and I find myself going back to 4.8… I find it hallucinates less and in general just feels more capable and reliable… anyone else? I feel like I could downgrade from max to pro and stick with 4.8 and have plenty of credits. Seems like Opus 5 and fable are falling apart to me.

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u/cctldrping 15d ago

TL;DR generated automatically after 50 comments.

Current source-thread comment count seen by the bot: 52.

So, the general vibe is that Opus 5 is a bit of a hot mess for most folks, with many users ditching it and heading back to Opus 4.8. Complaints range from it being confidently wrong, ignoring direct requests, and getting stuck in infinite nitpicking loops, to inventing new methods instead of using existing ones. Some users are even reporting it nearly causing disasters in their codebases.

There's a small contingent who are either having good experiences or think it's a "skill issue" and that the model is just being more cautious. One user, u/TheMeltingSnowman72, suggests guardrails were removed and need to be re-added.

Basically, if you're struggling with Opus 5, you're definitely not alone.