When the model vanishes overnight: lessons from the Fable ban
On June 12, 2026, a US export-control directive forced Anthropic to disable Fable 5 and Mythos 5 within hours. Intended to restrict non-US access, it took the models dark globally. Writing for NewMR, Ray Poynter frames frontier models as critical infrastructure and argues teams have built hidden single-provider dependencies: verbatim coding, transcript analysis, and synthetic data generation all broke at once. His recommendations are to map dependencies, keep provider-agnostic workflows, maintain tested open-weight fallbacks, and rehearse model switches before they are forced.