Anthropic pulled Fable 5 and Mythos for everyone over "fix this code"

Anthropic removed its Fable 5 and Mythos models for all users after a researcher published a paper detailing a guardrail bypass technique, sparking debate over AI export controls and cybersecurity resilience.

I wrote about what was actually in that Fable guardrail bypass research paper, and why it should never have triggered an AI model export control. We can't export control our way to cyber resilience. So many tshirt ideas. lutasecurity.com/post/the-fable…