US set to restore Anthropic's Fable 5 AI model after security review: Report

Published 27 June 2026 · us

The Donald Trump administration is nearing a decision that could allow Anthropic to restore public access to its flagship Fable 5 artificial intelligence model, according

The Donald Trump administration is nearing a decision that could allow Anthropic to restore public access to its flagship Fable 5 artificial intelligence model, according to an Axios report. The Fable 5 model by Anthropic has remained unavailable for the past 15 days after the US government raised national security concerns, disrupting developers and businesses that had begun using it shortly after launch. Axios, citing a officials familiar with the discussions, reported that restrictions on Fable 5 could be lifted as early as next week. Another official told the publication that negotiations are expected to continue over the weekend and that Anthropic is hopeful of restoring access soon. Government review appears to be entering final stages While optimism has grown around Fable 5's return, the model has not yet received clearance from every agency involved in the review. According to Axios, the Pentagon and the Security Agency still need to approve the release, meaning the outcome remains uncertain despite positive developments elsewhere within the administration. Also Read | Anthropic disables Fable 5 and Mythos 5 after US govt export control order Other US government departments have concluded the model, Fable 5,can safely return to public use, signalling a significant shift after months of tense discussions between Anthropic and federal officials.

Commerce Secretary Howard Lutnick and Treasury Secretary Scott Bessent have reportedly played key roles in easing the dispute between the administration and the AI company. Commerce Department restores limited access to Mythos 5 In a related development, the Commerce Department on Friday allowed Anthropic to restore access to Mythos 5, its most advanced cybersecurity-focused AI model, for a select group of trusted users. Unlike Fable 5, Mythos 5 has never been broadly available and includes safeguards intended to reduce the risk of misuse in cyberattacks or biological threats. Also Read | Trump administration clears Anthropic to roll out Claude Mythos 5 In a letter to Anthropic, Lutnick wrote that the company "has worked with the US government to address risks associated with" Mythos 5 and Fable 5. "These efforts," he continued, "have yielded significant progress. In addition, Anthropic has committed to work with the US government on protocols and standards and releases." Fable 5 became a favourite among developers before suspension Before access was suspended on June 12, Fable 5 had attracted strong interest from software developers and early adopters because of its advanced reasoning and coding capabilities.