Post by Polymarket

BREAKING: Anthropic has suspended its new models Claude Fable 5 and Mythos 5 following a US government order over national security concerns. The company was forced to abruptly disable both models for all customers just days after their public release. Key details: → The US government (including the Department of Commerce) ordered the suspension after identifying a method to “jailbreak” Fable 5 and access restricted capabilities → Anthropic stated it had to comply immediately, even though it described the vulnerabilities as minor and previously known → The move affects both the widely available Fable 5 and the more powerful (restricted) Mythos 5 → This comes amid ongoing tensions between Anthropic and the Trump administration, including a separate lawsuit over government use of its models The EU said it is monitoring the situation closely. This marks a rare case of a major AI company being ordered by the US government to pull back newly released frontier models over security risks. #Anthropic #Claude #Mythos #Fable5 #AI