EventPolicyJune 13, 2026
US government orders Anthropic to suspend Fable 5 and Mythos 5

The US Commerce Department directed Anthropic to suspend access to Fable 5 and Mythos 5 for foreign nationals, citing a potential jailbreak as a national security risk. Anthropic disabled the models for all users, disputes the government's evidence, and is meeting with the Trump administration to resolve the dispute.
15 sources
The US government, citing national security authorities, has issued an export control directive to...x.com
Anthropic to meet with Trump administration over Mythos disputecnbc.com
Statement on the US government directive to suspend access to Fable 5 and Mythos 5simonwillison.net
[AINews] Fable and Mythos officially too dangerous to releaselatent.space
Breaking news: US Commerce Department effectively shuts down Anthropic’s latest modelsgarymarcus.substack.com
Anthropic Says It’s Taking Claude Fable 5 Offline to Comply With US Government Orderwired.com
The Anthropic Fable mess, explainedthenewstack.io
Anthropic got hit by export rules nobody understandstheverge.com
The US government’s Anthropic models ban was never about an AI jailbreaktechcrunch.com
Claude Fable Blocked - 11 Quiet Details on What’s Nextyoutube.com