Reddit sued the artificial intelligence company on Wednesday, claiming that it is stealing millions of user comments from platform to train its chatbot, Claude.

Reddit sued Anthropic on Wednesday in San Francisco superior court, claiming that the OpenAI rival had accessed its platform more than 100,000 times since July 2024, after Anthropic allegedly said it had blocked its bots from doing so.

Reddit is suing artificial intelligence startup Anthropic for what it’s calling a breach of contract and for engaging in “unlawful and unfair business acts” by using the social media company’s platform and data without authority.