OpenAI, Microsoft hit with new copyright lawsuit over AI training

ChatGPT logo is seen in the illustration taken, February 3, 2023. /Reuters

OpenAI and Microsoft were sued on Tuesday over claims that they misused the work of nonfiction authors to train the artificial intelligence models that underlie services like OpenAI's chatbot ChatGPT.

OpenAI copied tens of thousands of nonfiction books without permission to teach its large language models to respo