AI Music Tools Compared — 2026
Four generators, one honest scorecard. We use all four in production at Brahmstorm — this is what each is actually good at, where it falls down, and which one to reach for depending on what you're making.
| Criterion | Suno | Udio | Riffusion | MusicFX |
|---|---|---|---|---|
| Sound quality | Top-tier on full songs with vocals | Comparable; more "musical" feel | Solid loops; weaker on vocals | Polished instrumentals only |
| Prompt flexibility | Tag-based + lyric block; short prompts | Tag-based; tolerates longer prompts | Loop-focused text-to-music | Natural language, long prompts |
| Genre range | Wide; weakest in niche electronic | Strong in jazz, classical, cinematic | Electronic, lo-fi, ambient loops | Instrumental + cinematic |
| Pricing | Free tier; $10–30/mo paid | Free tier; ~$10/mo paid | Free / open weights | Free (Google AI Studio) |
| Best for | Songs with vocals, fast iteration | Composers, atmospheric work | Loop producers, sample-makers | Soundtracks, no-vocal pieces |
Suno
Suno is still the household name in 2026, and it earned it. The sweet spot is the complete song — verse, chorus, bridge, vocals — generated from a short prompt and a lyric block. Where it shines is anything where you want a believable human-feeling vocal: pop, lo-fi, folk, hip-hop, indie.
Where it gets frustrating: niche electronic sub-genres (vaporwave, jungle, footwork) come out averaged into something blandly "electronic." The genre tag is the strongest signal in the prompt and you're effectively capped at three before the model loses focus. If you can describe what you want in two or three sub-genres and a couple of moods, Suno will get there fast.
Reach for Suno when the goal is a finished-sounding song demo in under a minute.
Udio
Udio launched chasing Suno and ended up carving its own lane. From mid-2025 onwards it's the tool more producers reach for when the goal is atmosphere over hook — soundtrack work, ambient pieces, jazz that breathes between the notes.
Where it edges Suno: instrumental textures, jazz harmony, anything where the performance matters more than the song structure. Where it falls behind: pop hooks, recognizable choruses, anything you'd actually hum afterwards. Vocals are competent but tend toward the generic.
Reach for Udio when your reference points are records, not playlists.
Riffusion
Riffusion is the outlier on this list. It grew up as a loop generator and stayed there — the output sits below Suno and Udio on full-song quality, but for short repeatable phrases (drum loops, bass riffs, ambient pads, 32-bar grooves) it's fast, cheap, and surprisingly usable.
Pricing is the other differentiator. The free tier covers most hobbyist use, the underlying model is more openly accessible than Suno or Udio, and the licensing is friendlier for derivative work. Indie game developers and lo-fi producers who need background loops without the licensing headache keep coming back.
Don't expect a Suno-quality vocal track. Do expect a loop you can chop into a sample.
MusicFX
Google's MusicFX is the quiet contender. No vocals, no song structure — it gives you a 30-to-70-second instrumental from a long natural-language prompt. The prompt window is the most generous of any tool on this list, and the model actually uses every word you give it.
That makes it the right tool for video creators and scoring work. Describe the scene in detail and you get something that fits. The genre range is narrower than the others (cinematic, ambient, light electronic), but inside that range the output is clean and consistent — no jarring tonal shifts, no surprise drum drops.
Free, gated behind Google AI Studio. If you've never written more than 200 characters into Suno, MusicFX will feel like a different category of tool entirely.