--- title: US orders Anthropic to shut down Fable 5 and Mythos 5 description: The US government ordered Anthropic to suspend access to its two most powerful AI models, Fable 5 and Mythos 5, just three days after their public launch. The... canonical: https://daily.dev/posts/us-orders-anthropic-to-shut-down-fable-5-and-mythos-5-i0x1udtvl twitter:card: summary_large_image twitter:site: @dailydotdev og:type: website og:site_name: daily.dev og:title: US orders Anthropic to shut down Fable 5 and Mythos 5 | daily.dev og:description: The US government ordered Anthropic to suspend access to its two most powerful AI models, Fable 5 and Mythos 5, just three days after their public launch. The... og:url: https://daily.dev/posts/us-orders-anthropic-to-shut-down-fable-5-and-mythos-5-i0x1udtvl og:image: https://api.daily.dev/og/posts/i0X1uDtvL.png og:image:alt: US orders Anthropic to shut down Fable 5 and Mythos 5 og:image:width: 1200 og:image:height: 630 og:locale: en --- > ## Documentation Index > Fetch the complete documentation index at: https://daily.dev/llms.txt > Use this file to discover all available pages before exploring further. # US orders Anthropic to shut down Fable 5 and Mythos 5 **[The Next Web](https://daily.dev/sources/tnw)** · 4 min read · 0 upvotes · 0 comments ## Summary The US government ordered Anthropic to suspend access to its two most powerful AI models, Fable 5 and Mythos 5, just three days after their public launch. The Commerce Department cited national security concerns following a reported jailbreak, forcing a global shutoff since Anthropic cannot distinguish foreign nationals from domestic users in real time. Anthropic complied but publicly pushed back, calling the action disproportionate and arguing the jailbreak was narrow and non-universal, with the same vulnerabilities discoverable by other models without any bypass. The company warned that applying this standard industry-wide would halt all frontier model deployments. The directive comes amid escalating tensions between Anthropic and Washington, including a Pentagon blacklisting and an ongoing lawsuit. ## Full article daily.dev links to this article rather than hosting it. Read it at the original source: --- Tags: [#llm](https://daily.dev/tags/llm), [#anthropic](https://daily.dev/tags/anthropic), [#ai-safety](https://daily.dev/tags/ai-safety), [#ai-regulation](https://daily.dev/tags/ai-regulation) [View this post on daily.dev](https://daily.dev/posts/us-orders-anthropic-to-shut-down-fable-5-and-mythos-5-i0x1udtvl) ```json {"@context":"https://schema.org","@graph":[{"@type":"Organization","@id":"https://daily.dev/#organization","name":"daily.dev","url":"https://daily.dev","logo":{"@type":"ImageObject","url":"https://daily.dev/apple-touch-icon.png","width":180,"height":180},"sameAs":["https://twitter.com/dailydotdev","https://github.com/dailydotdev","https://www.linkedin.com/company/daily-dev-ltd"]},{"@type":"WebSite","@id":"https://daily.dev/#website","url":"https://daily.dev","name":"daily.dev","publisher":{"@id":"https://daily.dev/#organization"},"potentialAction":{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https://daily.dev/search?q={search_term_string}"},"query-input":"required name=search_term_string"}}]} {"@context":"https://schema.org","@type":"TechArticle","headline":"US orders Anthropic to shut down Fable 5 and Mythos 5","url":"https://daily.dev/posts/us-orders-anthropic-to-shut-down-fable-5-and-mythos-5-i0x1udtvl","mainEntityOfPage":{"@type":"WebPage","@id":"https://daily.dev/posts/us-orders-anthropic-to-shut-down-fable-5-and-mythos-5-i0x1udtvl"},"datePublished":"2026-06-13T07:33:22.333Z","dateModified":"2026-06-13T16:50:47.391Z","description":"The US government ordered Anthropic to suspend access to its two most powerful AI models, Fable 5 and Mythos 5, just three days after their public launch. 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