A federal judge handed Meta a win in a major copyright case over using books to train AI models. But the decision wasn’t exactly a validation of Meta’s practices. It was a result of the authors failing to argue their case effectively.

Judge Vince Chhabria ruled in Meta’s favor after finding that the authors who sued didn’t present the right arguments or evidence. They claimed Meta’s Llama models let users reproduce their book content and that Meta harmed the market for licensing books to AI companies. Chhabria dismissed both arguments. He said the AI model couldn’t reproduce long excerpts even with aggressive prompting, and that authors don’t have the right to control the entire market for AI training licenses. [Read more…]