There's no single best — it depends on what you make. Suno wins on vocal quality and prompt understanding. Udio leans toward realistic vocals on specific genres. Solmi wins when you also need a music video, voice covers, or vocal removal — it's the only all-in-one.
Songs generated on paid plans of Solmi, Suno, or Udio come with a commercial-use license. Free-tier songs are typically personal-use only. Always check each platform's current terms before monetizing.
Suno's free tier gives 10 songs per day. Solmi's song credits refill to 10 per day, and new accounts also get a one-time 100 music-video credits for a 20-second preview video. Udio's free tier is more limited. For high-volume free song generation, Solmi or Suno.
Only Solmi does music videos natively. For Suno or Udio output, upload the song's MP3 or WAV to Solmi's AI music video generator to add visuals.