When OpenAI and Anthropic make their IPO prospectuses available to the public, investors are going to have to learn about a whole new economy.

OpenAI's confidential filing lands days before SpaceX is set to go public and a week after Anthropic announced its confidential disclosure with the SEC.

The ChatGPT maker’s move follows rival Anthropic’s filing and comes days before SpaceX’s expected $1 trillion-plus debut on the stock market.

OpenAI files confidential IPO paperwork with SEC, opening door to potential listing as AI race heats up with rivals like Anthropic and SpaceX.