Anthropic Must Preserve More Than 500 Million Claude Prompts, Outputs, Judge Says

( July 30, 2026, 10:33 AM EDT) -- SAN JOSE, Calif. — Anthropic PBC must preserve more than 500 million individual Claude prompts and outputs, with half of the randomly selected records coming from before Jan. 28, and the other 250 million from between that date and March 24, as well as any records from that time frame containing certain terms relevant to the copyright battle over artificial intelligence song lyrics, a federal judge in California said....