Defense Secretary Pete Hegseth directs the DOD to designate Anthropic as a supply chain risk, barring military contractors from doing business with the companyAnthropic says it'll challenge “any supply chain risk designation in court” and that the designation would only affect contractors' use of Claude on DOD workPresident Trump calls Anthropic a “radical left, woke company” and says he is directing every federal agency in the US to stop using its productsTwo coalitions of workers, including employees of Amazon, Google, Microsoft, and OpenAI, ask their companies to join Anthropic in refusing DOD's demandsSource: Sam Altman told employees the DOD is willing to let OpenAI build its own “safety stack” and won't force OpenAI to comply if its model refuses a taskOpenAI raised $110B at a $730B pre-money valuation, up from $500B in a secondary financing in Oct.; Amazon invested $50B, Nvidia and SoftBank invested $30B each