Suno raised a $400M Series D at a $5.4B valuation, more than doubling its valuation in about seven months. The round lands while major labels pursue copyright claims, including a recent allegation that more than 61,000 additional songs were used without permission.
Five major publishers and author Scott Turow filed suit against Meta and Mark Zuckerberg personally, alleging that Zuckerberg directly authorized downloading millions of copyrighted works from piracy sites to train Meta's Llama AI systems.
HN did not treat this as abstract legal trivia. Once the Claude Code leak became the hook, the thread turned into a practical question for every team shipping AI-assisted software: if the model wrote the bulk of it, what is actually yours?
ByteDance's Seedance 2.0 accepts text, images, video clips, and audio simultaneously to generate up to 20-second 1080p video, drawing immediate copyright cease-and-desist letters from Disney and Paramount within days of launch.