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In this June 16, 2026 short, Matthew Berman reads Anthropic’s announcement that it disabled Fable 5 and Mythos 5 for all customers after a US export-control directive concerning foreign nationals. He says ten of his Fable-powered agents stopped when the announcement appeared. The suspension was temporary: Anthropic later announced the lifting of the controls and Fable 5’s global return beginning July 1; Mythos access was subject to a separate restricted program.
- 1Export-control directiveAnthropic said the US directive targeted access by foreign nationals, including those inside the US, and it disabled both models for all customers.
- 2Agents interruptedBerman says ten Fable 5 agents he was running stopped as the announcement went out.
- 3Later restorationAnthropic later announced that Fable 5 would return globally on July 1, 2026; Mythos was restored under a more limited access arrangement.
Conclusiones
- Anthropic said a June 12 directive required the suspension of access by foreign nationals, prompting the company to disable both models for all customers.
- Berman said ten of his Fable 5 agents stopped when the announcement appeared.
- The company called the directive a misunderstanding, a characterization attributed to Anthropic.
- Anthropic subsequently announced a July 1 global return for Fable 5, while Mythos access remained limited.
Lee el texto editado por capítulos
The suspension and its effect
Berman reads Anthropic’s statement about the directive and describes his interrupted agents. Anthropic characterized the situation as a misunderstanding.
Fable 5 is gone for now. According to [Anthropic’s June 12 statement](https://www.anthropic.com/news/fable-mythos-access), the US government issued an export-control directive requiring suspension of access to Fable 5 and Mythos 5 by foreign nationals, including those within the United States. Anthropic said it therefore disabled both models for all customers to comply; other Claude models were unaffected.
I had ten agents running on Fable 5 when the announcement appeared, and they all stopped. Anthropic said it believed the situation was a misunderstanding. This was its assessment of the dispute, not an established finding about the government’s reasons.
Update after the video: Anthropic [announced on June 30](https://www.anthropic.com/news/redeploying-fable-5) that the controls had been lifted and that Fable 5 would return globally starting July 1, 2026. Mythos 5 was restored separately to selected approved organizations; the original suspension should not be read as a permanent shutdown.
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