**Sony and Warner Music Sue Anthropic Over Alleged Copyright Infringement**
In a significant legal move, Sony Music and Warner Music have filed a lawsuit against Anthropic, a prominent artificial intelligence company, in a federal court in California. The music publishing divisions of these major labels allege that Anthropic illegally used copyrighted song lyrics and sheet music to train its AI models, specifically the Claude AI system.
The lawsuit, submitted on August 31, 2026, claims that Anthropic engaged in widespread copyright infringement, which the music labels argue has contributed to the company's staggering valuation of approximately $2 trillion. The complaint cites specific examples of artists whose works were allegedly misappropriated, including iconic names such as The Beatles, Taylor Swift, and Michael Jackson, among many others.
According to the complaint, Anthropic is accused of downloading hundreds of song lyrics and sheet music through torrent sites to enhance the capabilities of Claude AI, enabling it to respond to user prompts with generated content that closely resembles the original works. The lawsuit contends that this practice not only violates copyright laws but also poses a competitive threat to the music publishers by producing AI-generated lyrics that could serve as substitutes for the original songs.
In their filing, Sony and Warner Music expressed concern over Anthropic's business model, suggesting that the company views the costs associated with copyright infringement as merely a part of its operational expenses. They pointed to a previous settlement in which Anthropic agreed to pay $1.5 billion to resolve a class action lawsuit from a group of authors, arguing that such a sum is insufficient to deter further violations.
"Anthropic clearly considers that to be just the cost of doing business given that its entire business model continues to be built on copyright theft," the complaint states. The music labels are seeking substantial damages, requesting up to $150,000 for each instance of copyright infringement, along with a court order to prevent Anthropic from utilizing their copyrighted materials in the future.
In response to the lawsuit, an Anthropic spokesperson characterized the legal action as a continuation of previous allegations, asserting that this is the third lawsuit brought by the same legal team. The spokesperson also emphasized that the company intends to defend itself vigorously, arguing that their AI training practices fall under the doctrine of fair use, a legal principle that allows limited use of copyrighted material without permission from the rights holders.
This lawsuit is part of a broader trend where copyright owners, including authors, publishers, and music labels, are increasingly taking legal action against technology companies for the use of their intellectual property in training artificial intelligence systems. Notably, Universal Music Group has also pursued legal action against Anthropic in recent years, alleging similar infringements concerning the use of copyrighted song lyrics.
As the case unfolds, it will likely contribute to the ongoing discussions about the intersection of copyright law and artificial intelligence, particularly as the technology continues to evolve and its applications expand across various industries. The outcome may have significant implications for how AI companies approach the use of copyrighted material in their training processes and could set precedents for future legal battles in this rapidly changing landscape.
Both Sony Music and Warner Music have not yet provided public comments regarding the lawsuit beyond the initial filing. As the legal proceedings progress, stakeholders in the music and technology industries will be closely monitoring the developments for their potential impact on copyright practices and AI development.