Anthropic halted Fable 5 and Mythos 5 access for foreign nationals due to a government national security mandate.
Amazon researchers demonstrated Fable 5 and Mythos 5's potential for cyberattacks, prompting the export control ban.
The White House imposed export restrictions on Mythos AI due to suspected Chinese access via distillation techniques.
The White House demands Anthropic actively test and report vulnerabilities in Claude Fable 5 rather than just removing it.