SAN FRANCISCO, June 26 -- A U.S. judge ruled in Meta's favor on Wednesday in a lawsuit where authors accused the tech company of violating copyright laws by training its Llama AI model on their books.

Judge Vince Chhabria stated that Meta's use of the copyrighted materials was "transformative" enough to be considered fair use under U.S. copyright law. However, he also noted that the authors could have made stronger arguments about the potential market harm caused by AI tools.

The court acknowledged that while using books to train AI may be transformative, it could still damage the authors' market by enabling the creation of competing content without permission or payment.

This decision marks Meta's second legal win in a week, following...