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US Orders Anthropic to Shut Down Fable 5 and Mythos 5

The US government issued an export control directive on 12 June ordering Anthropic to suspend access to Fable 5 and Mythos 5, citing national security concerns over a reported jailbreak. Anthropic complied but pushed back publicly, calling the action disproportionate and warning it would halt all frontier model deployments if applied industry-wide. The unprecedented recall came just three days after Fable 5 launched.

US Orders Anthropic to Shut Down Fable 5 and Mythos 5

TL;DR

  • US government issued an export control directive on June 12.
  • Anthropic ordered to suspend access to Fable 5 and Mythos 5.
  • National security concerns over a reported jailbreak cited as reason.
  • Anthropic complied but publicly criticized the action as disproportionate.
  • Warning issued that such actions could halt all frontier model deployments.
  • Fable 5 was launched only three days before the recall.