Anthropic has suspended its Fable 5 and Mythos 5 AI models globally following a US government directive. The directive reportedly requires blocking access for foreign nationals, leading Anthropic to disable the models for all users as a compliance measure. This action shifts AI governance from product safety to national security access control, as the government's intervention is based on nationality rather than typical product usage criteria. Anthropic has stated that the directive's justification is technically unsupported and that the identified vulnerabilities are minor and present in other models, including OpenAI's GPT-5.5. AI
IMPACT US government intervention based on nationality could redefine AI model access, shifting it from product safety to national security controls.
RANK_REASON A US government directive led a major AI lab to suspend its latest models globally, impacting access based on nationality. [lever_c_demoted from significant: ic=1 ai=1.0]
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