AI Safety and Regulation
July 21, 2025

Reddit sues Anthropic over data misuse

Reddit sued Anthropic in California Superior Court, alleging unauthorized scraping of over 100,000 Reddit posts since July 2024 to train its Claude chatbot, despite prior assurances from Anthropic.

Reddit has filed a lawsuit against AI startup Anthropic, accusing it of harvesting over 100,000 posts and comments from Reddit since July 2024 to train its Claude chatbot. The complaint alleges that Anthropic ignored site restrictions, such as robots.txt and API limits, and continued scraping content even after publicly asserting it had stopped. Unlike OpenAI and Google, which have licensing agreements with Reddit, Anthropic reportedly chose not to license the data.

Reddit seeks an injunction to block further unauthorized data use and monetary damages, arguing that Anthropic’s conduct violates its user agreements, privacy protections, and causes unfair commercial advantage.

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