US government warned Anthropic that Fable 5 had been jailbroken, but firm 'refused' to fix before US implemented export controls — Anthropic defended its decision by saying the jailbreak 'isn’t serious,' Chinese group had reportedly accessed model
… I’ve had a number of conversations with folks inside and outside government about the current situation with Anthropic, and here is what I believe to be true: — As we know, Anthropic publicly released its Mythos class models earlier this week under the commercial name Fable.… June 13, 2026 Sacks al… …
