Nonfiction Writers Sue OpenAI, Microsoft for Allegedly Using Their Books to Train ChatGPT

The authors claim their books were used without permission or compensation.

The Microsoft Corp. logo outside the Microsoft Visitor Center in Redmond, Wash., on July 3, 2014. Ted S. Warren/AP Photo

Microsoft and artificial intelligence (AI) company OpenAI are being sued by nonfiction authors who allege the tech companies trained the ChatGPT tool to copy their work without consent.

Microsoft and OpenAI announced a partnership earlier this year, following several years of investment in the AI company by Microsoft.