EventPolicyJune 18, 2026
Anthropic confident Mythos and Fable 5 will be re-enabled soon

Following a White House directive citing security risks, Anthropic blocked its Mythos and Fable 5 models globally. Anthropic's International Managing Director Chris Ciauri stated in Seoul that the models will be available again in the coming days.
Featured · Chris Ciauri
7 sources
Let’s get ready, my friends. Negotiations with Trump appear to be going well, and Anthropic is...x.com
Anthropic’s Mythos mess is only getting worsetheverge.com
Anthropic is "confident that in the coming days [Fable 5] will become available again" - Anthropic's International Managing Directorkoreajoongangdaily.com
Anthropic and US govt insiders expect limits on Fable 5 could be lifted as soon as this coming week - Axiosreddit.com
A senior White House official remarked that easing the current restrictions will take time. He also noted that a resolution’s speed depended entirely on Anthropic’s ability to meet security requirements.androidheadlines.com