Sony Music and Warner Chappell sue Anthropic, Dario Amodei, and Benjamin Mann, alleging tens of thousands of copyrighted songs were used to train Claude's LLMs (Tim Ingham/Music Business Worldwide)

Sony Music Publishing and Warner Chappell Music have filed a lawsuit against Anthropic and its co-founders Dario Amodei and Benjamin Mann, alleging that the company used tens of thousands of copyrighted songs to train its Claude large-language models without permission. The complaint seeks damages and an injunction to stop further use of the alleged infringing data.