OpenAI Files Confidential S-1 at $852B–$1T Valuation: The Biggest AI IPO in History and What It Means for Your Business
OpenAI filed its confidential S-1 with the SEC today — May 22, 2026 — targeting a public listing in September at a valuation between $852 billion and $1 trillion. Working with Goldman Sachs and Morgan Stanley, this landmark move transforms how SMBs relying on ChatGPT and the OpenAI API should plan their AI strategy.