Anthropic disables Fable and Mythos AI models following U.S. government export ban
Anthropic was forced to disable all access to its newest AI models, Fable 5 and Mythos 5, late on Friday ...
Thursday, November 5, 2026
Tag: fable
Claude Fable 5 is Anthropic’s most capable public AI model, and will hand your conversation to a weaker model the moment it detects a biology or chemistry question — Anthropic admits the net is overly broad and plans to narrow it
On Tuesday, Anthropic released Claude Fable 5, the first publicly available model in its Mythos class — a family the ...
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