CEO of OpenAI Sam Altman speaks during the 2026 Infrastructure Summit of government officials, corporate executives, and labor leaders, in Washington, D.C., U.S., March 11, 2026. Kylie Cooper | ReutersOpenAI on Tuesday announced that it closed a record-breaking funding round at a post-money valuation of $852 billion. The round totaled $122 billion of committed capital, up from the $110 billion figure that the company announced in February. SoftBank co-led the round alongside other investors, inc...