Artificial Intelligence

Anthropic shuts down advanced AI models worldwide after US order

Pooja Malik June 16, 2026
Synopsis

Anthropic's suspension of Fable 5 and Mythos 5 after a US export-control order has intensified debate over access to advanced AI systems. The restrictions, which apply to foreign nationals, mark a shift from regulating computer chips to regulating AI models directly. Technology companies, cybersecurity experts and business leaders are closely monitoring the fallout.

Questions surrounding how governments could oversee powerful AI and the implications for international business were reignited with America's blockage of Anthropic's two highly sophisticated AI models.

Anthropic has stopped access worldwide to its Fable 5 and Mythos 5 models after it was told to prevent foreign nationals from accessing the systems. Instead of being able to enforce this selectively, the company stated it was impossible for it to verify and chose to suspend access for all until discussions with US officials could be conducted.

AI Restrictions Expand Beyond Computer Chips

This is a departure as most US controls on technology have previously revolved around chips and the technology to make them. Here, US actions directly impact AI models, showing increasing concern from policy makers about the implications for cybersecurity, intelligence and military applications of these advanced AI tools.

It's been reported that the government's actions were influenced by concerns about the functionality of Anthropic's latest models. This has been disputed by the company, which claims its models offer capabilities also found in rival systems.

This restriction has gone beyond foreign users. Reports show the order includes foreign nationals residing within the US, marking it one of the broadest AI-focused export controls put in place to date.

Response from the industry grows

The move has been met with strong criticism from cybersecurity professionals and technology industry leaders. Over 80 experts have been reported to urge US authorities to withdraw these sanctions claiming such advanced AI models are increasingly used for defence security purposes-finding security loopholes and strengthening networks.

This is being closely observed by businesses in the US, Australia and allied markets, as governments strive to balance security demands and their accessibility to the latest technologies.

Market Stakes in the AI arena grow

The ongoing argument comes amid accelerated global investment in the field of AI, which has recently been forecast to hit approximately US$2.6T worldwide in 2026, showing its economic importance according to research firm Gartner.

Anthropic is one of the largest privately owned companies in the AI sector, having secured new funding earlier this year, that has reportedly valued the company at approximately US$380B, meaning this latest ruling poses a significant threat to them as well as the sector at large.

Source: TechCrunch


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