Key Takeaways
- Anthropic appears set to regain access to its Fable 5 AI system following a two-week suspension ordered by the Trump administration
- Final authorization from the Pentagon and NSA remains pending before the model can return to operation
- Limited access to the more sophisticated Mythos 5 model was reinstated by the Commerce Department on Friday for select trusted partners
- Treasury Secretary Scott Bessent and Commerce Secretary Howard Lutnick facilitated resolution of the regulatory standoff
- Anthropic and OpenAI are advocating for establishment of standardized government evaluation protocols for cutting-edge AI systems
Anthropic’s suspended Fable 5 artificial intelligence system may resume operations within days, according to recent reporting by Axios. The Trump administration appears poised to lift restrictions that have kept the technology offline since its June 12 shutdown.
The system was taken offline following a U.S. government export control directive that raised national security questions. The sudden suspension disrupted access for numerous developers and enterprises that had integrated the tool into their workflows.
According to Axios sources with knowledge of ongoing negotiations, the restrictions may be removed as early as next week. Government officials and Anthropic representatives are scheduled to continue deliberations throughout the weekend.
However, complete authorization has not yet been secured. Both the Pentagon and National Security Agency must still provide their formal approval before the system can be reactivated. Several other federal agencies have already determined that the model presents acceptable risk levels for public deployment.
Commerce Secretary Howard Lutnick and Treasury Secretary Scott Bessent were instrumental in advancing negotiations toward resolution. In correspondence to Anthropic, Lutnick acknowledged that the company “has worked with the US government to address risks” related to both AI systems.
Partial Access Restored for Mythos 5
The Commerce Department authorized Anthropic on Friday to reinstate Mythos 5 access for a carefully vetted group of users. Mythos 5 represents the more capable version of the two models and has never been released for widespread public consumption.
Both systems share the same foundational AI architecture. The primary distinction lies in their intended use cases: Fable 5 targets broad consumer and developer audiences, whereas Mythos 5 incorporates enhanced security protocols to minimize risks including cyber warfare capabilities and biological weapon development assistance.
Impact on Development Community
Prior to its June 12 suspension, Fable 5 had gained significant traction among software engineering teams for its advanced coding assistance and logical reasoning functions. Financial services firm Stripe allegedly leveraged the system to restructure a massive 50 million-line code repository in just one day—a task that would have required manual engineering effort spanning more than two months.
Following the suspension, automated development processes ground to a halt, prompting some organizations to migrate operations to alternative AI platforms, including more affordable Chinese-developed models.
The shutdown occurred amid heightened tensions between Anthropic and the Trump administration. Defense Secretary Pete Hegseth had previously characterized Anthropic as presenting a “Supply-Chain Risk to National Security.” The anticipated restoration of Fable 5 signals a thawing of that strained relationship.
One administration insider informed Axios that Anthropic “has worked positively with the government.”
Industry Push for Standardized Review Framework
Both Anthropic and OpenAI are urging the Trump administration to establish formal evaluation procedures for advanced AI technologies prior to public release. This effort follows President Trump’s June 2 executive directive that introduced optional government screening for high-capability AI systems.
OpenAI secured Friday approval for controlled preview access to GPT-5.6. In a company statement, OpenAI indicated it does not support government access requirements “becoming the long-term default.”
Anthropic has similarly advocated for an evaluation framework that is “transparent, fair, clear, and grounded in technical facts.”
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