Anthropic’s Claude Fable 5 plays it too safe on safety, developers say

Developers are complaining on social media that Claude Fable 5’s safety system is blocking benign prompts, from résumé edits to shopping lists.

[Photo: NurPhoto/Contributor/Getty Images]

Anthropic on Tuesday launched Claude Fable 5, its most capable public model. But within two days, users began reporting that its safety system was blocking benign or legitimate prompts.

Fable 5 is the first public model derived from Anthropic’s Mythos family, whose original iteration........

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