Sony Music and UMG sue Suno, alleging that its new model trained in partnership with WMG and BMG infringes copyright because it is based on an infringing model (Corbin Bolies/Variety)

Sony Music and UMG have filed a lawsuit against Suno, claiming its new AI music model infringes copyright because it was trained using copyrighted material from WMG and BMG. The suit alleges that Suno’s model reproduces protected works without permission, violating the rights of the major labels. The case centers on the legality of using licensed music to train generative AI systems.