Anthropic shuts down Fable, Mythos models following Trump admin directive
Summary
Ars Technica reports that Anthropic shut down Fable 5 and Mythos 5 following a US Commerce Department export-control directive. The move follows concerns about potential jailbreaks and a government plan to harden frontier-model security; Anthropic argues the evidence is narrow and not a general flaw. The company will provide more details within 24 hours.