Music’s biggest publishers just declared war on AI development. Universal Music Publishing Group, Concord Music Group, and ABKCO Music filed a $3.077 billion lawsuit against Anthropic on January 28, 2026, alleging the company built Claude AI on a foundation of torrented piracy. We’re talking 20,517 songs ripped off through what amounts to the largest alleged corporate piracy operation in recent memory.
This isn’t your typical tech lawsuit where everyone argues over fair use while lawyers get rich. Court documents reveal Anthropic co-founder Benjamin Mann allegedly torrented roughly 5 million pirated books from LibGen in June 2021—including songbooks containing the publishers’ copyrighted material. The kicker? CEO Dario Amodei reportedly authorized this digital heist despite internal warnings about its illegality.
The numbers tell the real story here. Publishers want $150,000 per willful infringement under federal copyright law, multiplied by 20,517 songs. That’s catastrophic money for any company, even one valued at $350 billion like Anthropic. Compare this to their original 2023 suit covering just 500 works with roughly $75 million in potential damages. This new filing represents a 40-fold escalation after evidence emerged from a separate case involving book authors.
Your AI assistant’s “safety guardrails” aren’t as safe as advertised. The lawsuit details how Claude readily spits out copyrighted lyrics from hits like “Wild Horses,” “Sweet Caroline,” and “Eye of the Tiger” when users apply basic jailbreaking techniques. Those protective measures you’ve been told prevent copyright violations? They’re about as effective as asking ChatGPT to please not hallucinate.
The precedent here matters more than the payout. The Bartz v. Anthropic case where book authors settled for $1.5 billion revealed the piracy evidence that sparked this lawsuit. Publishers attempted to amend their original suit but were denied by the court, forcing this separate filing. If publishers win this fight, expect licensing deals to become mandatory rather than optional—and those costs will eventually reach your subscription fees.
This case strips away Silicon Valley’s favorite myth about “building the future.” As publishers put it, “Anthropic’s multibillion-dollar business empire has in fact been built on piracy.” Turns out your cutting-edge AI was trained on the same torrented files college kids use to pirate textbooks. The only difference? Anthropic allegedly did it at corporate scale while charging premium prices for the results.




























