Just days after a much-hyped launch, US AI company Anthropic was forced to announce a drastic measure on Friday evening: models Fable 5 and Mythos 5 have been disabled to comply with an export control directive from the US government citing “national security authorities.” The move hits the company in the middle of an already strained relationship with the Trump administration – and has a months-long backstory. Fable 5 is currently the most powerful, if also the most expensive, AI model on the