WASHINGTON, April 13 : Anthropic is discussing its frontier AI model Mythos with the Trump administration, the firm's co-founder said on Monday, even after the Pentagon cut off business with the U.S. AI company following a contract dispute. A dispute between ​Anthropic and the Pentagon over guardrails for how the military could use its artificial intelligence tools led the agency to label Anthropic a supply-chain risk last month, barring its use by the Pentagon and its contractors.   "We have a