The $1.5 billion settlement is the largest known copyright recovery in history, plaintiffs' attorney says. 91% of authors claimed their share.
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Anthropic will pay $1.5 billion to settle a copyright lawsuit brought by authors who said the company trained its Claude AI chatbot on their works without permission. A federal judge approved the deal Monday.
U.S. District Judge Araceli Martinez-Olguin signed off on the settlement, Reuters reported. The class action, filed by a group of authors, accused Anthropic of using copyrighted books to train Claude. The settlement is the largest known copyright award in a U.S. case, according to the report.
Plaintiffs' lead attorney Justin Nelson called it a "historic settlement" and "the largest known copyright recovery in history," according to the report. He said distributions to class members would be made as promptly as possible.
The case is one of several in which copyright owners have sued tech companies over the use of their materials to train AI models. It is the first major U.S. case to reach a settlement. Microsoft, a major investor in Anthropic, faces similar lawsuits.
Judges have split on the underlying legal question. U.S. District Judge William Alsup ruled that copyright law "seeks to advance original works of authorship, not to protect authors against competition." U.S. District Judge Vince Chhabria warned that widespread AI training could undermine the economic incentives that fuel creative work.
Daryl Lim, a law professor at Penn State Dickinson Law, said only a handful of companies can train frontier AI models because they control compute, data, cloud infrastructure and distribution simultaneously. "When you train frontier models, you need to ingest vast repositories of works that may include copyrighted works," Lim said.
The fair use ruling cited by Anthropic remains law in that circuit. Other cases could test it.
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