Insufficient evidence — OpenAI plans to defeat authors' remaining claim at a "later stage" of the case. A US district judge in California has largely sided with OpenAI, dismissing the majority of claims raised by authors alleging that large language models powering ChatGPT were illegally trained on pirated copies of their books without their permission. By allegedly repackaging original works as ChatGPT outputs, authors alleged, OpenAI's most popular chatbot was just a high-tech "grift" that ...