Huan Qiu Wang Zi Xun·2025-12-23 06:42Core Viewpoint - A significant copyright lawsuit has been filed against six major AI companies by a group of authors, including Pulitzer Prize winner John Carreyrou, alleging that these companies used pirated copies of their works to train large language models [1][3]. Group 1: Companies Involved - The six companies being sued are Anthropic, Google, OpenAI, Meta, xAI, and Perplexity AI [3]. - This lawsuit marks the first copyright case against xAI and the first against Perplexity, highlighting its significance in the industry [3]. Group 2: Allegations and Actions - The authors accuse these companies of "willful theft," claiming they downloaded pirated copies of their works from notorious shadow libraries like LibGen, Z-Library, and OceanofPDF [3]. - The infringement is not limited to initial illegal downloads; the companies allegedly created additional copies of the books during the training of their language models, leading to secondary infringement [3]. Group 3: Impact on Authors - The authors express that their works now support a product ecosystem valued at billions of dollars, yet they have received no compensation, severely infringing on their legal rights [3]. - The lawsuit seeks significant damages, with potential compensation of up to $150,000 per infringed work if the jury finds the companies acted willfully [3].