U.S. Government Orders Anthropic To Suspend AI Models Fable 5 and Mythos 5 Over National Security Threats
https://www.linkedin.com/pulse/us-government-orders-anthropic-suspend-fable-5-z9hwe
Publish Date: 2026-06-13 07:00:00
Source Domain: www.linkedin.com
In one of the most significant government interventions into the commercial artificial intelligence sector to date, AI developer Anthropic announced Friday that it had been directed by U.S. authorities to suspend access to its newest and most powerful AI systems—Claude Fable 5 and Mythos 5—for foreign nationals worldwide, triggering fresh debate over national security, export controls, and the future governance of frontier AI technologies.
The directive, which Anthropic said was delivered late Friday afternoon, has sent shockwaves through the rapidly evolving AI industry and raised questions about how governments may seek to regulate increasingly capable models that possess advanced cybersecurity and software engineering abilities.
According to the company, the U.S. government ordered the immediate suspension of access to the models for all non-U.S. citizens, regardless of whether those users are located inside the United States or abroad. Anthropic characterized the move as abrupt and suggested it believes federal officials may have acted on incomplete or misunderstood technical information.
The company stated that it received the order at approximately 5:21 p.m. Eastern Time and subsequently began preparations to disable access for affected users.
“We believe there has been a misunderstanding,” Anthropic said in a public statement, adding that it is actively engaging with government officials in an effort to restore access as quickly as possible.
The suspension affects Claude Fable 5 and Mythos 5, two flagship systems unveiled only days earlier and widely regarded as among the most capable AI models yet released for commercial and…
