OpenAI IPO Filing: OpenAI has confidentially filed for an IPO after reaching an $852 billion valuation. Anthropic remains ahead at $965 billion. Microsoft owns 27% of OpenAI's for-profit business. The Elon Musk legal battle is largely behind it. Now Wall Street faces a historic question: how much is the future of artificial intelligence truly worth?

OpenAI has confidentially filed for an initial public offering, setting it up for what may be the most highly anticipated market debut in recent history and a massive payday for…

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.