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Anthropic cuts off Fable 5 and Mythos 5 access following government order

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Anthropic cuts off Fable 5 and Mythos 5 access following government order

TL;DR

  • Anthropic has blocked access to its AI models for all foreign nationals due to a national security directive.
  • This directive has led to a complete cutoff of model access for all customers.
  • The company claims the government provided no specific details regarding national security concerns.
  • Anthropic states that disclosed potential jailbreaks were minor and available in other models, like GPT 5.5.
  • The company has implemented safeguards and has not received disclosures of harmful jailbreak results.
  • Measures taken include working with US and UK governments and changing data retention policies.