Anthropic Disables Top AI Models Following US Ban on Foreign Access

Anthropic disabled foreign access to its Fable 5 and Mythos 5 AI models on June 13, 2026, to comply with a U.S. government directive. The Trump administration blocked foreign use of these top-tier systems over national security concerns, according to reports from Axios, Reuters, and the Wall Street Journal.

The company suspended access to the specific models to follow a government order limiting the export of high-end artificial intelligence capabilities. CNBC reports that the disablement of Fable 5 and Mythos 5 was necessary for the company to maintain compliance with the directive.

Why did Anthropic block foreign access to Fable 5 and Mythos 5?

The U.S. government cited security fears as the primary reason for the restriction. The BBC reports that the suspension of these models stems from concerns regarding how foreign entities might utilize the advanced capabilities of the systems.

Axios reports the Trump administration specifically ordered the block on foreign access to the most powerful AI tools developed by Anthropic. This move aligns with broader federal efforts to restrict the proliferation of high-capability machine learning models to non-U.S. users.

Which AI models are affected by the U.S. ban?

The restrictions apply specifically to the Fable 5 and Mythos 5 models. These are categorized as top-tier systems, according to CNBC.

Reporting from the Wall Street Journal indicates that the ban targets these high-performance models while not mentioning restrictions on the company’s lower-tier AI offerings. The directive focuses on the most powerful iterations of the technology.

How does this directive differ across reports?

Outlets have framed the motivation for the ban with varying emphasis. The BBC focuses on the security fears driving the decision, while Reuters describes the event as a regulatory action resulting from a US order limiting foreign access.

Axios provides the most specific political attribution, naming the Trump administration as the entity that blocked the access. In contrast, the Wall Street Journal and CNBC emphasize the corporate compliance aspect, noting that Anthropic disabled the models to adhere to the government’s requirements.

What happens to foreign users of Anthropic AI?

Foreign users and entities are now unable to access the Fable 5 and Mythos 5 models. Reuters reports that the order limits foreign access to the tools, effectively cutting off non-U.S. users from the company’s most advanced AI capabilities.

The company has not announced any alternative access paths for foreign users of these specific models. The suspension remains in effect as a direct result of the government directive issued by June 13, 2026.