Elon Musk, George R.R. Martin Among Those Suing OpenAI Over ChatGPT

Lawsuits could cost Sam Altman's company billions and impact how AI chatbots are trained.

Apr. 2, 2026 at 9:05am

Got story updates? Submit your updates here. ›

OpenAI and its CEO Sam Altman face a growing number of significant legal challenges, from Elon Musk's $134 billion lawsuit over the company's shift to a for-profit model to copyright infringement cases filed by authors and news organizations. The risks of multibillion-dollar judgments could complicate OpenAI's future plans, including a potential IPO.

Why it matters

These lawsuits could set major precedents around the use of copyrighted content to train AI models, the responsibilities of AI companies for the actions of their chatbots, and the boundaries between nonprofit and for-profit AI development. The outcomes could have far-reaching impacts on the entire AI industry.

The details

Musk's $134 billion lawsuit accuses Altman of betraying their original nonprofit mission by entering a lucrative deal with Microsoft. Musk says he invested $38 million in OpenAI only to see it become a "$157 billion, for-profit, market-paralyzing gorgon." Altman counters that OpenAI is still controlled by its nonprofit arm. In a separate suit, Musk alleges OpenAI stole trade secrets and lured away staff from his rival startup xAI. Meanwhile, a group of authors and news organizations claim OpenAI used their copyrighted content to train ChatGPT without permission. Another lawsuit blames ChatGPT for a teenager's suicide.

  • In 2024, Elon Musk sued Altman and OpenAI over the company's shift to a for-profit model.
  • In September 2025, Musk sued OpenAI again, accusing the company of stealing trade secrets and luring away staff from his startup xAI.
  • In August 2025, the parents of a 16-year-old boy sued OpenAI, Altman, and others, blaming ChatGPT for their son's death by suicide.
  • In February 2026, a California judge ordered a dozen similar lawsuits to be combined with the Raine family's case.
  • In February 2026, Nippon Insurance Company of America sued OpenAI, alleging the company allowed ChatGPT to practice law without a license.

The players

Elon Musk

The billionaire entrepreneur who co-founded OpenAI in 2015 but later severed ties with the company. He has filed two lawsuits against OpenAI and its CEO Sam Altman.

Sam Altman

The CEO of OpenAI, who is facing multiple lawsuits over the company's shift to a for-profit model and the actions of its ChatGPT AI.

George R.R. Martin

The acclaimed author of the "Game of Thrones" book series, who is part of a group of authors and journalists suing OpenAI for copyright infringement.

Nippon Insurance Company of America

The insurance company that sued OpenAI, alleging the company allowed ChatGPT to practice law without a license.

Adam Raine

The 16-year-old boy whose parents sued OpenAI, Altman, and others, blaming ChatGPT for their son's death by suicide.

Got photos? Submit your photos here. ›

What they’re saying

“We must not let individuals continue to damage private property in San Francisco.”

— Robert Jenkins, San Francisco resident

“Fifty years is such an accomplishment in San Francisco, especially with the way the city has changed over the years.”

— Gordon Edgar, grocery employee

What’s next

The various lawsuits against OpenAI are still in their early stages, with trials and key rulings yet to come. The outcomes could have significant implications for the AI industry as a whole.

The takeaway

These legal battles highlight the growing pains and challenges facing the rapid development of powerful AI technologies like ChatGPT. As AI becomes more ubiquitous, the industry will likely face increased scrutiny and regulation around issues of copyright, liability, and the responsible use of these systems.