The U.S. government directs Anthropic to suspend access to its newest and most powerful AI models for foreign nationals, and Anthropic complies by taking the models offline for non-U.S. users. Multiple outlets report that the directive is issued by federal authorities on a Friday evening and cited as a national security concern. Anthropic states that it received an export-control style instruction and that the government does not provide specific details about the underlying rationale. The decision affects international employees and partners, and some coverage notes potential implications for companies and users outside the United States, including in countries such as India. Reporting also describes the move as part of broader U.S. efforts to manage risks associated with “frontier” AI capabilities. While the directive is framed around national security grounds, outlets converge on the point that the explanation provided to Anthropic is limited, with no detailed public account of what aspects of the models prompted the action. Anthropic’s suspension is presented as temporary and as a response to the government order, rather than an independent product decision by the company.