Sony Music Publishing and Warner Chappell Music have sued Anthropic in federal court, accusing the AI company of widespread copyright infringement in connection with training its Claude artificial intelligence models.
The lawsuit, filed in Northern California, alleges that Anthropic obtained thousands of copyrighted musical compositions through unauthorized methods, including scraping licensed websites and downloading pirated books used in AI training.
The publishers specifically cite songs including “Ain't No Mountain High Enough” and “Livin' on a Prayer” among works they claim were improperly obtained.
The publishers argue that Anthropic has treated copyright settlements as simply a cost of developing its business while building valuable AI technology from unauthorized material.
The case adds to a growing wave of copyright litigation involving AI companies. Authors, publishers and music companies are increasingly challenging how artificial intelligence firms obtain and use copyrighted material to train their models, potentially shaping the rules governing AI development and intellectual property.
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Sony, Warner Music sue Anthropic over songs used in AI training https://t.co/aa1m3uZes7 https://t.co/aa1m3uZes7
— Reuters (@Reuters) August 31, 2026
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