A day after Elon Musk lost his legal challenge that threatened OpenAI’s corporate structure, leadership, and finances, the artificial intelligence company is preparing to move forward with its public offering, according to sources who spoke with the Wall Street Journal. OpenAI CEO Sam Altman reportedly expects the company to be ready to go public by September. The creator of ChatGPT has been collaborating with Goldman Sachs and Morgan Stanley—two major investment banks known for handling high-profile tech IPOs—and may submit confidential IPO paperwork to regulators within days or weeks, the WSJ reported.

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The news of OpenAI’s likely blockbuster IPO arrives as the world anticipates the public release of SpaceX’s IPO filings, which are expected to appear as soon as Wednesday, according to reports. Rocket manufacturer SpaceX is now one of OpenAI’s main competitors, following its acquisition of Elon Musk’s model maker, xAI. With Musk’s failed attempt to dismantle OpenAI—the competitor he co-founded—through legal action, the next Musk-versus-Altman contest appears to be playing out in the financial arena: which company will achieve the larger IPO.

OpenAI did not immediately respond to a request for comment.