Microsoft’s absence from OpenAI’s Stargate announcement follows months of tension between the companies and signals a new era in which the longtime partners will be less reliant on each other. At a White House press conference,

Such announcements aren’t without political risks, as OpenAI learned when Trump adviser Elon Musk criticized the deal on the social network he owns.

OpenAI, SoftBank Group, Abu Dhabi, and Oracle are among the players in a joint venture meant to pour hundreds of billions more into AI data center funding.