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,

Microsoft will no longer be the exclusive provider of new cloud computing capacity to OpenAI — a new twist in their relationship that clears the way for OpenAI to work with Oracle and others on the $500 billion Stargate AI project announced by the companies Tuesday with President Trump at the White House.

The Stargate project, a landmark US$500 billion joint venture announced by US President Donald Trump in early 2025, has exposed growing tensions between OpenAI and Microsoft. While initially co-developed by the two companies,