OpenAI Joins a Massive AI IPO Pipeline Now Worth $3.6 Trillion

ChatGPT creator OpenAI became the third major artificial intelligence developer to confidentially file for a public listing Monday, joining rivals in an IPO pipeline now worth some $3.6 trillion.

SpaceX, which is officially known as Space Exploration Technologies Corp., is preparing for an IPO that would value the company at about $1.8 trillion. Anthropic raised funds at a $965 billion valuation last month. And OpenAI was worth $852 billion based on its most recent funding round in March.

The Sam Altman-led firm submitted paperwork for an initial public offering with the US Securities and Exchange Commission, the company ...