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OpenAI confidentially files for initial public offering on US stock market

Sam Altman](https://www.theguardian.com/technology/sam-altman), its CEO. After working on generative artificial intelligence in beta for several years, the company publicly released ChatGPT in 2022 and converted to a for-profit structure. The chatbot immediately

In court, Elon Musk accuses OpenAI of trying to 'have your cake and eat it, too'

Elon Musk testifies against OpenAI, seeking Sam Altman's ouster](https://www.npr.org/2026/04/28/nx-s1-5801438/musk-altman-openai-trial-opening-statements) The case hinges on whether OpenAI, founded by Musk, Altman and a handful of others in 2015, strayed from its original mission

Musk vs Altman: What to know about the OpenAI verdict

Elon Musk](/news/2026/5/18/elon-musk-loses-lawsuit-against-openai) and OpenAI CEO Sam Altman. The nine-member jury handed a decisive victory to Altman, saying Musk had waited too long to bring his claims against the artificial intelligence company

Musk v Altman: The most toxic row in tech goes on trial

Elon Musk and OpenAI boss Sam Altman has raged for years, but has mostly played out online in the form of accusations, counter-accusations and jibes. But starting on Tuesday, the beef between