OpenAI and Japanese conglomerate SoftBank will each commit $19 billion to fund a joint venture to develop data centers for artificial intelligence in the U.S., the Information reported on Wednesday, citing OpenAI CEO Sam Altman speaking to colleagues.

OpenAI will build and open AI infrastructure worth $500 billion in the United States over the next four years in partnership with SoftBank.

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,

OpenAI announced a new joint venture named The Stargate Project which aims to build a number of data centers for AI in the U.S.

Under the Trump administration, OpenAI and other members of the tech sector are making a push to establish AI dominance in the U.S.