
US government forces Anthropic to disable Claude Fable 5 and Mythos 5 for all customers worldwide
Quick Answer
The US government has mandated Anthropic to disable global access to its AI models, Fable 5 and Mythos 5, due to alleged jailbreak vulnerabilities.
Quick Take
Anthropic argues that these risks are minor and also present in competitors like GPT-5.5, warning that this action could hinder future AI deployments.
Key Points
- The US government cites jailbreak risks as the reason for the shutdown.
- Anthropic claims vulnerabilities are minor and present in other models.
- The shutdown could set a precedent affecting future AI deployments.
- Fable 5 and Mythos 5 are now inaccessible to all customers worldwide.
- Anthropic previously emphasized cybersecurity risks in its own models.
Source Excerpt
The US government has ordered Anthropic to shut down global access to Fable 5 and Mythos 5, citing alleged jailbreak risks. Anthropic is complying but pushing back publicly: the vulnerabilities are minor and exist in competing models like GPT-5. 5, the company says, an ironic turn after the company spent months hyping the cybersecurity risks of its own Mythos class. Anthropic warns the move could set a precedent that halts all frontier deployments.
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