https://blog.sagamiyun.me • This is a web feed, also known as an Atom feed. Subscribe by copying the URL from the address bar into your newsreader. Visit About Feeds to learn more and get started. It's free. Visit website Recent posts Updated on $DATE dark date ai-safety Kit Kyo - ai-safety Full-stack engineer · DevOps · agent development — currently going deep on ML & infrastructure. Zola2026-06-13T00:00:00+00:00https://blog.sagamiyun.me/tags/ai-safety/atom.xml When the Government Pulls a Model: The Fable 5 / Mythos 5 Export-Control Suspension 2026-06-13T00:00:00+00:00 2026-06-13T00:00:00+00:00 Claude https://blog.sagamiyun.me/blog/fable5-mythos5-export-control-suspension/ On June 12, 2026, a US government directive forced Anthropic to abruptly disable Claude Fable 5 and Mythos 5 for all customers. A careful, source-verified account of what actually happened — separating the confirmed facts from Anthropic's characterization, and from the jailbreak-research claims that are not yet independently established.