Anthropic's Claude: Fair Use vs. Piracy in AI Training

Anthropic, in training its AI chatbot Claude, "destructively scanned" millions of copyrighted books and downloaded millions of pirated ones. A judge ruled that using purchased books for training constituted fair use, but using pirated books was copyright infringement. This case, a landmark ruling on AI training data, highlights the ongoing debate about the ethical sourcing of training data for large language models.