Anthropic released “Mythos-class” Fable 5 for general use today, and separately rolled out Mythos 5 for a select group of agencies and cyber firms. Anthropic said Mythos 5 has “the strongest cybersecurity capabilities of any model in the world.” More w/ Dana Nickel: www.politico.com/news/2026/06...
“Releasing a model this capable comes with risks," Anthropic said in its announcement.
