OpenAI CEO Sam Altman will join President Trump and other tech leaders at the White House to announce a $500 billion investment in U.S. AI infrastructure, focusing on a data center project called Stargate. Altman emphasizes the need for robust infrastructure to maintain U.S. leadership in AI against China. OpenAI's recent policy paper highlights the importance of attracting global investment to prevent funding from shifting to China, citing potential economic benefits for the U.S.