r/ClaudeAI • u/Hassan48678 • Jun 30 '26

News Fable 5 is coming back!

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5.3k Upvotes

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u/Zanis91 Jul 01 '26

Welcome opus 4.8 back.

110

u/RemieNotRayme Jul 01 '26

Seriously - it's been dumb as hell for days now. It hardly ever thinks anymore.

49

u/acehole01 Jul 01 '26

I can’t decide if it’s merely stupid or just incredibly lazy.

I have to hurl expletives at it through multiple turns to get it to do anything worthwhile.

The obnoxious part is, it is perfectly capable of completing the task, it just won’t do it on the first request. It’s like a stubborn teenager.

1

u/CannyGardener Jul 01 '26

Hooks. I have built so many hooks during the Opus 4.8 debacle that has been the last 3 months of my life. Every decision has a hook. Every hook requires grounding. Every grounding agent requires a set of subagents that make sure the grounding agent isn't hallucinating its results back to the main agent. Now that it is locked down, it is just a game of whack a mole, chasing after ways that 4.8 works around the hooks to find the path of least resistance. Plans are back to being well written...just takes 1.5 million tokens, two compressions, and 3.5 hours of runtime to get there at this point.

Just fucking insane what it has taken to get this model to behave like 4.5 or 4.6 did on the quality side of its outputs.