BusinessAnthropic's Co-Founder Allegedly BitTorrented Millions of Books. Now Sony and Warner Want Billions for the Songs.
Sony Music Publishing and Warner Chappell just sued Anthropic, alleging its own co-founder personally pirated millions of books to help train Claude. Two music publishers, thousands of songs, and a lawsuit that could cost more than the $1.5 billion Anthropic already paid to settle a nearly identical case.
August 30, 2026 · 7 min read