US Orders Anthropic to Disable AI Models for Foreign Nationals
The US government ordered Anthropic to disable its advanced AI models, Fable 5 and Mythos 5, for all foreign nationals, citing national security concerns. The directive followed the public launch of Fable 5 and marked the first time specific AI models were targeted under export control. Anthropic complied by suspending access to the models, raising concerns about AI sovereignty and international competition.
Where Sources Diverge
The exact date of the US government's directive is not uniformly reported across sources, with some citing June 13, 2026, and others noting it occurred just days prior to the model launch.
Just three days after publicly launching Fable 5
The unprecedented export-control measure came just days after Anthropic released the models
Timelines
Sources
The two use the same underlying model and are distinguished only by their safeguards: Fable 5 is the safeguarded version released to the public, while Mythos 5, with those cyber restrictions lifted, had been reserved for a small group of vetted partners. Cybersecurity experts warn that broad restrictions could undermine defensive security efforts while accelerating calls for sovereign AI capabilities.
The US government has restricted global access to Anthropic's advanced AI models, Fable 5 and Mythos 5, citing national security concerns. This move, stemming from fears of AI misuse for cyberattacks, signals a shift towards treating frontier AI as a strategic asset, impacting international relations and AI development.
AI giant Anthropic said in a statement released Friday that it had disabled its most advanced AI models, known as Fable 5 and Mythos 5, after the US government ordered it to suspend access to the models for foreign nationals, citing unspecified national security concerns.
Company said US government believes safeguards can be bypassed and product used to identify software vulnerabilities Anthropic said it will “abruptly disable” its most advanced AI models for all users after the US government ordered it to suspend access to the models for foreign nationals, citing national security concerns. The company received the export control directive to suspend access to Fable 5 and Mythos 5 for all foreign nationals, without being given specific details of the national security concern, Anthropic said in a statement. Continue reading...
The firm said it was ordered to block foreign nationals from accessing its state of the art Fable 5 and Mythos 5 AI models on national security grounds.
The company said it received an export control directive to suspend access to Fable 5 and Mythos 5.
Washington has ordered Anthropic – a leading entity in America’s AI sector – to block all foreign nationals from accessing its latest models, Fable 5 and Mythos 5, citing national security concerns, according to the Silicon Valley-based firm. The unprecedented export-control measure – the first to target specific AI models – came just days after Anthropic released the models, underscoring Washington’s increasingly hands-on approach to regulating frontier artificial intelligence...
Anthropic's Claude Fable 5, released publicly this week, sparked concerns about cybersecurity and hacking.
US authorities earlier ordered to block foreign users from accessing the models
Just three days after publicly launching Fable 5, the company said in a blog post that it received a government directive banning all foreign nationals, even ones who work at Anthropic, from accessing Fable 5 and Mythos 5 over national security concerns