OpenAI filed a confidential S-1 with the SEC, tapping Goldman Sachs and Morgan Stanley for a potential IPO between September and November 2026.

OpenAI said it has not decided exactly when the IPO would take place.

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.

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