The US government has issued an emergency export control directive forcing artificial intelligence pioneer Anthropic to abruptly suspend global access to its frontier models, Fable 5 and Mythos 5.

The sweeping mandate, which cites national security authorities, applies to all foreign nationals both inside and outside the United States, including Anthropic’s own international personnel.

The enforcement action marks the first time Washington has effectively recalled a widely deployed, commercial frontier AI model.

While Anthropic has complied by disabling the models for its entire global user base, the unprecedented intervention has triggered an immediate ideological and capital shift across the technology landscape.

Within hours of the…