Security leaders urge U.S. to lift export bans on Anthropic models
Top security executives and researchers just published an open letter urging the U.S. government to lift export controls on Anthropic's Fable and Mythos models. They argue that rival models like GPT-5.5 and China's Kimi 2.7 already match their flaw-finding chops, meaning bans merely disarm defenders while adversaries race ahead unrestricted.