Claude-maker Anthropic filed to go public on June 1, while competitor SpaceX will debut on the Nasdaq on June 12.

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.

The moves comes days ahead of SpaceX's IPO.

Claude-maker Anthropic filed to go public on June 1, while competitor SpaceX will debut on the Nasdaq on June 12.

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