The US government has partially reversed its two-week-old ban on Anthropic's Claude Mythos 5, allowing over 100 "trusted" US organizations — including Fortune 500 companies — access to the powerful AI model that the NSA previously confirmed "broke into almost all of our classified systems... in hours." The partial lift comes after Washington abruptly barred Anthropic from giving foreign nationals access to Mythos 5 and its sibling Fable 5 on June 12 over fears the models'...