Reddit’s lawsuit, which was filed Wednesday, accuses the Amazon-backed AI company of breaching its user agreement. “As far back as December 2021…Anthropic was already—without authorization and in direct violation of Reddit’s User Agreement—training Claude on Reddit users” posts, the lawsuit claims.

Reddit filed a complaint against Anthropic, claiming that the AI lab used its data to train its models without authorization or compensation.

Reddit has filed a lawsuit against Anthropic as it sues the AI company for alleged unauthorized use of bots on its platform.