Three tools dominate the AI music conversation right now: Suno, Udio, and ONYX. They all generate full songs from a prompt, but they target very different users with very different workflows. Here is the honest breakdown — what each one is good at, what each one is not, and how to pick.
The 30-second answer
- Suno — fastest path to a finished song. Best for non-musicians, content creators, and idea-stage demos.
- Udio — best raw audio quality and genre coverage. Best for songwriters demoing to collaborators.
- ONYX — most production control, real mastering, full ownership. Best for producers and artists planning to release.
If you are reading this and you know what LUFS is, you are probably an ONYX user. If you do not, that is fine — Suno will get you a song faster than reading this article.
Suno: the fastest path to a full song
Suno's strength is speed and accessibility. Type "synthwave love song about a broken Roomba" and ninety seconds later you have a fully arranged track with vocals. The interface is friendly to people who have never opened a DAW. It onboards a music-curious 14-year-old in under a minute and gets them shipping clips to TikTok the same day.
The trade-off is control. You can re-roll, you can extend, you can pick a style — but you cannot easily say "make the snare hit harder" or "drop the second verse an octave" or "swap the chord change at 1:42." Suno is best when you want a finished song and you do not care exactly how it got there.
Where Suno shines
- Background music for short videos
- Vibe demos for non-musicians
- Personalized songs (birthdays, weddings, in-jokes)
- Anything where the goal is volume, not polish
Where Suno struggles
- Releasing a track on streaming — the mix is mid, the master is uneven
- Replacing one instrument or one vocal section
- Matching the tempo and key of a reference track
- Stem export (limited or absent depending on plan)
Udio: better fidelity, similar workflow
Udio launched roughly six months after Suno and competed mainly on audio quality. In 2026 the gap has narrowed in places and widened in others. The vocals are noticeably less robotic, the mix has more depth, and the genre coverage extends further into jazz, classical, world music, and orchestral cues.
Workflow-wise it is similar to Suno: prompt, generate, extend, download. Udio added stems export in late 2025, which closed an important gap for producers who want to take the result into a DAW. Tempo and key detection on the reference upload is solid.
Where Udio shines
- Genre coverage outside Western pop (jazz, traditional folk, orchestral, world)
- Vocal quality when the track is in a quieter style
- Reference-track matching for tempo and key
- 4-stem export at a reasonable plan tier
Where Udio struggles
- Heavy electronic and bass-led genres feel softer than the source it learned from
- Lyric editing is awkward — re-roll instead of edit
- No mastering chain beyond a flat normalize
- Ownership terms are licensing, not full transfer
ONYX: built for people who actually mix
ONYX takes a different approach. The generation is fast — comparable to Suno and Udio — but the post-generation control is where it diverges. You get a full mastering chain, vibe-specific presets, a karaoke-ready lyric editor, separated stem rendering, and a reference deck so you can match the feel of an existing track without copying it.
The trade-off the other direction: ONYX assumes you care about the result enough to push a knob. The default render is good. The render you ship after 90 seconds of tweaking is great. If you just want a finished song you can stop reading and pick Suno. If you want to ship something you would actually release, ONYX is built for you.
Where ONYX shines
- Full mastering chain per genre (see our Spotify mastering guide)
- Lyric editor with line-by-line re-roll
- 4-stem WAV export on every paid render
- Certificate of Ownership transferring 100% rights, not licensing
- Tempo and key matching from reference upload
- Programmatic deep-links into genre pages and BPM pages
Where ONYX is not the right tool
- "Make me a song" with zero further input — Suno is faster
- Long-form ambient generation (5+ minutes single-pass) — Udio handles it cleaner
Side-by-side comparison
| Feature | Suno | Udio | ONYX | | --- | --- | --- | --- | | Generation speed | < 90s | < 90s | < 90s | | Audio quality (subjective) | Good | Best | Very good | | Genre coverage | Wide | Widest | Wide, deeper per-genre tuning | | Mix control | Minimal | Some | Full | | Lyric editing | Re-roll | Re-roll | Line-level edit | | Stem export | Pro only | Standard+ | Every paid render | | Mastering chain | Auto-normalize | Auto-normalize | Genre-tuned chain | | LUFS target control | No | No | Yes | | Ownership | License | License | Full transfer (Pro) | | Reference upload | No | Yes | Yes | | Entry price (per month) | $10 | $10 | $9.99 |
Pricing reality check
All three tools price similarly at the entry tier. The differences live at the pro tiers:
- Suno Pro ($30/mo) — more credits, commercial license, stems
- Udio Standard ($10/mo) — credits, license; stems on higher tier
- ONYX Pro ($24.99/mo) — unlimited renders, full ownership transfer, stems on every render, mastering chain, reference deck
If you generate more than 30 tracks a month, ONYX Pro is the cheapest per-track. If you generate fewer than 10, any of the three is fine on the entry plan.
License vs ownership — the part everyone glosses over
This is where the marketing copy gets fuzzy, so be precise:
- License means the AI provider still owns the underlying work and grants you the right to use it. They can also use it themselves, license it to others, or change the terms later.
- Ownership transfer means you own the master. The provider has no remaining commercial claim. You can sell it, sub-license it, sync it, or assign it.
Suno and Udio offer licenses on their paid tiers. ONYX Pro transfers ownership with a signed Certificate of Ownership and Bill of Sale. If you are going to sync the track to a film, a brand campaign, or release it under a major label, ownership transfer is the only acceptable path. If you are using the track as background for your own content, a license is fine.
For a deeper look at how licensing actually works in practice, see Can you sell AI-generated music?.
Which one should you pick?
- Casual / content creator who needs background music: Suno.
- Songwriter demoing ideas to send to collaborators: Udio.
- Producer / artist planning to release the track: ONYX.
- Sync agent or A&R sourcing pitch beds: ONYX (for the ownership and mastering) or Udio (for the genre coverage).
- Game / film composer needing per-cue control: ONYX.
There is no universal winner. There is only the right tool for what you are trying to ship.
The honest takeaway
If you are early in your journey, use Suno for a month. Get fast at writing prompts. Get bored of not being able to fix the snare. Switch to ONYX when that boredom hits.
If you are already a producer or songwriter, skip Suno and go straight to ONYX or Udio depending on whether you want production control (ONYX) or maximum genre flexibility (Udio).
And if you want both — that is fair. Most working producers we know use two of the three in parallel.