Policy & RegulationArs Technica· Jun 13, 2026
Anthropic Discontinues Fable and Mythos Models After Government Directive
Anthropic has ended support for its Fable and Mythos AI models following a directive from the Trump administration. The Commerce Department raised national security concerns tied to a potential jailbreak of the Fable 5 model. The move reflects growing government intervention in advanced AI systems.
Key points
- →Anthropic halts Fable and Mythos models per administration order
- →Commerce Department flags national security risk from Fable 5 jailbreak
- →Action taken in response to Trump administration directive
Mentioned
AnthropicFableMythosFable 5
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