Artificial intelligence startup Anthropic has settled a class action copyright infringement lawsuit, in which authors accused the company of training its AI models on their work without permission, according to a Tuesday court filing.

San Francisco-based Anthropic, which trained its AI assistant Claude using copyrighted books, was sued by authors Andrea Bartz, Charles Graeber and Kirk Wallace in August 2024.

Terms of the settlement were not disclosed. The company did not immediately respond to a request for comment.

Last June, U.S. District Judge William Alsup ruled that AI models could legally learn from copyrighted books without the authors’ consent. The decision was a partial win for Anthropic.

Alsup found the usage to be “exceedingly transformative” and “a fair use,” though the com

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