Artificial-intelligence powerhouse OpenAI is reportedly preparing for a public listing that could value the company at up to $1 trillion, potentially making it one of history’s largest IPOs. Sources indicated that discussions with advisers center on optimal listing structure and timing for 2026. The valuation reflects surging demand for AI infrastructure and enterprise adoption of ChatGPT-powered tools. Analysts said such a listing could redefine global technology valuations and intensify competition among AI majors. OpenAI declined to comment on the speculation.