E.g. https://deezer.io/computing-royalties-at-deezer-782ee06eb177. My guess is that if not for the constraints instituted by the major labels, Deezer would have rolled it out already.
Another report suggest Deezer and Spotify pay almost the same:
Apple Music and Tidal pay more according to both reports.
Unfortunately, both reports are of very low quality. I couldn't find any better, unfortunately.