A federal judge approved Anthropic’s $1.5 billion settlement with authors on Monday, finalizing the largest known payout in a US copyright case.
US District Judge Araceli Martinez-Olguin granted final approval and overruled objections from authors who called the sum too small.
How Anthropic’s $1.5 Billion Settlement Reached Approval
Authors sued the artificial intelligence (AI) company Anthropic in 2024. They alleged that it used pirated copies of their books to train its Claude chatbot.
Now-retired Judge William Alsup ruled last June that training on the books was fair use. However, he found that Anthropic had broken the law by storing more than 7 million pirated books.
Martinez-Olguin took over after Alsup retired. She signed the final order on Monday.
“We reached this settlement in 2025, after the court’s landmark ruling that training AI on books is fair use under copyright law — which remains the law today,” Anthropic deputy general counsel Aparna Sridhar said.
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What the Payout Covers
The settlement pays roughly $3,000 per-work payment for over 480,000 works. Martinez-Olguin noted that the sum is four times the $750 minimum for standard copyright infringement.
Claimants covered 440,490 works, or 91.3% of the list, as of April. The deal also requires Anthropic to destroy the pirated book files. The judge rejected objections that the $1.5 billion figure was too low. According to her, the complaints were
“Not grounded in a realistic assessment of the overall risks and rewards of a trial.”
Some authors opted out and continue separate lawsuits against the company. The case is the first major US AI copyright dispute to settle.
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