--- title: "AI TRENDS | Anthropic Perpetual on Hyperliquid Falls 3.7% After U.S. Orders Access Shutdown for Fable 5 and Mythos 5" type: "News" locale: "en" url: "https://longbridge.com/en/news/289656925.md" description: "The U.S. government ordered Anthropic to shut down access to Fable 5 and Mythos 5, and the Anthropic perpetual on Hyperliquid fell about 3.7%. According to NS3.AI, Anthropic challenged the directive, saying the government provided only verbal evidence of a narrow vulnerability that was previously known. Anthropic said the issue cited by the government was limited in scope and not newly discovered." datetime: "2026-06-13T06:08:06.000Z" locales: - [zh-CN](https://longbridge.com/zh-CN/news/289656925.md) - [en](https://longbridge.com/en/news/289656925.md) - [zh-HK](https://longbridge.com/zh-HK/news/289656925.md) --- # AI TRENDS | Anthropic Perpetual on Hyperliquid Falls 3.7% After U.S. Orders Access Shutdown for Fable 5 and Mythos 5 The U.S. government ordered Anthropic to shut down access to Fable 5 and Mythos 5, and the Anthropic perpetual on Hyperliquid fell about 3.7%. According to NS3.AI, Anthropic challenged the directive, saying the government provided only verbal evidence of a narrow vulnerability that was previously known. Anthropic said the issue cited by the government was limited in scope and not newly discovered. ### Related Stocks - [ANTH.NA](https://longbridge.com/en/quote/ANTH.NA.md) ## Related News & Research - [Anthropic Abruptly Pulls Fable 5 And Mythos 5 Days After Launch Following US National Security Order, Calls It A 'Misunderstanding'](https://longbridge.com/en/news/289657000.md) - [Anthropic rankles users with safety-first Fable release](https://longbridge.com/en/news/289520323.md) - [Anthropic: 'We made the wrong tradeoff' in new model guardrails](https://longbridge.com/en/news/289425717.md) - [Anthropic's Mythos AI finds no more 'serious' bugs in Zcash: Wilcox](https://longbridge.com/en/news/289669679.md) - [How giant IPOs from Anthropic and OpenAI will reshape the stock market's AI trade](https://longbridge.com/en/news/289356322.md)