Claude Fable 5 is back, but I'm sticking with Opus 4.8 for daily work: 5 reasons why

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ZDNET's key takeaways

  • Fable 5 promises power, but reliability is a concern.
  • Sudden downgrades could derail serious AI projects.
  • Opus 4.8 is already good enough for my daily work.

The name "Fable 5" is appropriate because, boy, does it have a story to tell. It's the story of ups and downs, and possibly ups again. It was introduced with great fanfare as the defanged Mythos, a large language model capable of incredible feats but safe enough for nongovernment work.

Also: Anthropic's new Claude Fable 5 is the same base model as Mythos but with guardrails attached

But then Amazon reported that Fable couldn't be let off its leash. Amazon purportedly claimed it could do some of the same dangerous cybersecurity exploit detection that Mythos was famous for, but without Mythos' limited distribution. The fable is that Amazon tattled...

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