Anthropic disables Fable 5 and Mythos 5 models after U.S. directive
Anthropic abruptly disabled its Fable 5 and Mythos 5 AI models worldwide after a directive from the Trump administration ordered the company to block foreign nationals from accessing the tools, citing a reported jailbreak vulnerability.
Anthropic disabled the Fable 5 and Mythos 5 AI models for all users worldwide. The action followed a directive from the U.S. government under the Trump administration that ordered Anthropic to block all foreign nationals from accessing the two models, citing national‑security concerns. The directive was motivated by a reported “jailbreak” vulnerability that could allow the models to be used to identify software vulnerabilities or be weaponized.
The U.S. Commerce Department expressed concern that a Fable 5 jailbreak could pose a national‑security threat, according to Ars Technica. In addition, the U.S. government gave Anthropic an ultimatum to fix security flaws in the models or face continued restrictions, as reported by the Times of India.
India is the second‑largest user base for Anthropic’s Claude model after the United States, according to the Hindustan Times.
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