Pandora now offers on-demand streaming as a subscription service (Pandora Premium), just like Spotify. This has been available since 2017, after Pandora acquired the assets of Rdio.[1]

Pandora's music discovery features are best-in-class, but its maximum audio quality is lower than that of other services (192kbps vs. Spotify's 320kbps).[2] Pandora also pays artists less per stream than Spotify and most other services do,[3] probably because Pandora has a huge proportion of free users.

[1] https://www.engadget.com/2017-03-13-pandora-premium-music-st...

[2] https://www.highspeedinternet.com/resources/how-much-speed-d...

[3] https://producerhive.com/music-marketing-tips/streaming-roya...