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

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,

Stargate: Analysts have noted that Microsoft has become less willing to spend even more money financing the computing power OpenAI requires to retain a lead in AI.