You made a song with Suno v6 and want it to sound clean before you release it, mix it or master it. This guide is for that job: which file to download, whether to work from stems, and the order to fix things in. If you want to know whether a track was made with Suno, that is a different question, and our Suno AI detector guide answers it.
We make de-artifact and de-leak-rt, two of the tools named below, so we state their limits. We have not measured how Suno v6 output sounds compared with earlier versions, and this page does not describe the model. It goes by what you can hear in your own file.
The short answer
Download the best file your plan allows, name the problem by ear, then fix it in order. Get the WAV if your plan offers it and keep that download untouched. Decide whether you hear a glassy or metallic layer, a fizzy top end, a dull top end, another instrument in a stem or a level problem. Fix the source first (regenerate or re-split a bad section), then bleed, then residue, then your normal EQ, de-essing and compression, and master last. Listen to what every tool removes.
Name what you hear before you reach for a tool
Listen on headphones, at a matched level, to the whole song once without touching anything. Most of what people describe as bad Suno audio quality falls into a few kinds, and each kind has a different fix. Reviews and forum threads disagree about whether v6 sounds better than earlier versions; your track is the only one that matters here.
| What you hear | What it usually is | Where to start |
|---|---|---|
| A glassy, watery or metallic sparkle on the voice or cymbals that stops when the sound stops | Generation residue | An artifact remover; see how to remove Suno shimmer |
| Fizz or hash on the top end, worse in a low-bitrate download | Lossy encoding on top of the generation | Get the lossless file first; see WAV vs MP3 for AI music |
| A dull or muffled top end | Detail that was never there, or cleanup pushed too far | Compare with the untouched download; cleanup cannot restore what was not generated |
| Another instrument in the gaps of a stem | Bleed from the split | Why Suno stems sound bad |
| A wrong note, a garbled word, a section that does not work | The song itself | Regenerate that section; no cleanup tool fixes the music |
| Too quiet or too loud next to released music | Mastering | How to master an AI song for streaming |
One file can have several of these. Write down which ones you hear and where, so you can check later that each fix did what you wanted and nothing else.
Export: WAV or MP3
When we read Suno’s file-type help page for our stems guide on October 25, 2026, it listed MP3 on all plans and WAV for Pro and Premier on suno.com, with mobile downloads defaulting to MP3. Plans change, so check the download menu on your own account.
- Download the WAV if you can. An MP3 has already discarded part of the signal, and converting it to WAV later does not bring that back. Our WAV vs MP3 guide covers why it matters for editing, mastering and detection.
- Keep the download untouched. Work on a copy, so you can always switch back and hear whether a change helped.
- Bounce lossless from your DAW. After cleanup, export a WAV for mastering and distribution, and make any MP3 from that file at the very end.
Full mix or stems?
Start with the full mix when the problem is everywhere: one pass of an artifact remover on the whole song is simpler and keeps the parts in balance. Work from stems when one part carries the problem, for example a glassy vocal over clean drums, so you treat only that part and leave the rest alone.
Stems bring their own checks before you clean them: timing against the mix, level, and bleed from other parts. Our guide to why Suno stems sound bad and how to clean them walks through those checks and what Suno’s stem export offers; we do not repeat it here.
Clean in this order
- Fix the source. If a section is musically wrong or a stem is badly split, regenerate or re-split it. Repairing it later costs more.
- Reduce bleed in stems that carry another instrument.
- Reduce residue, the glassy, watery or metallic layer. In de-artifact, the manual suggests the Default preset for a Suno full mix, then Aggressive if needed, and the Vocal preset for a separated vocal stem.
- Treat resonances that ring on particular notes.
- Do your normal mix work: EQ, de-essing, compression.
- Master last, on the cleaned file.
The reasons for this order, stage by stage, are in our AI music restoration order guide. Two habits apply at every step: level-match before you judge, because louder sounds better, and solo what each tool removed. The de-artifact manual puts it as one question: is anything musical leaking into the residual? If you hear words, melody or attacks you want, back off.
Hear a before-and-after first
Before you process your own song, listen to what cleanup does and does not change. The de-artifact listening section lets you switch between Original and Cleaned on the same passage and play the Diff, the removed signal. Our how-to-fix guide has a level-matched clip with the Gentle Reduction preset. Neither was chosen to show Suno v6 output; they show what the processing does.
Hear it on your own Suno track
Upload a file to the free browser preview: no account, a 30-second preview, up to 50 MB. It is a listening preview, not a full-track export. To work in your DAW, de-artifact has a 14-day trial as VST3, AU and CLAP, with AAX for Pro Tools on Apple Silicon Macs (stereo inserts). The product page lists the current price.
What cleanup cannot do
- Restore detail that was never generated. de-artifact’s positive Brightness regenerates the band above 8 kHz; the manual describes it as the model’s estimate, not the original restored.
- Fix the music. Pitch, phrasing, lyrics and arrangement are untouched. A cleaned generation still sounds like the generation it came from.
- Work without trade-offs. Pushed too far, any remover takes musical detail with the residue. That is why the removed signal is worth hearing on every file.
- Change where the track came from. Cleanup is not a way to pass an AI detector, and we do not offer it as one. To check a track, use the Suno AI detector guide.
Related guides
- Suno AI detector: how to check a Suno track
- Why Suno stems sound bad, and how to clean them
- WAV vs MP3 for AI music
- AI music restoration: what to run first
- How to remove Suno shimmer from vocals and stems
- Suno artifacts: why tracks sound metallic
- How to master an AI song for streaming
Sources
- Suno Help Center, What types of files can I download?, help.suno.com/en/articles/13926081, read October 25, 2026.
- Our de-artifact manual (presets by source, the Residual check, Brightness above 8 kHz), the product page and the free preview at try.intrect.io, read November 9, 2026.
FAQ
Does Suno v6 sound better than earlier versions?
Reviews and forum threads disagree, and we have not measured Suno v6 output against earlier versions, so we make no claim either way. Judge your own track: listen on headphones at a matched level for a metallic or watery layer, a harsh or fizzy top end, a dull top end and level problems.
Should I download a Suno v6 song as WAV or MP3?
WAV if your plan offers it. When we read Suno's file-type help page on October 25, 2026, it listed MP3 on all plans and WAV for Pro and Premier on suno.com. Converting an MP3 to WAV afterwards does not bring back what the MP3 discarded.
Should I clean the full mix or the stems?
Start with the full mix when the problem is everywhere. Use stems when one part carries it, for example a glassy vocal over clean drums, so you treat only that part. Stems add their own checks for bleed, timing and level before you clean them.
Can de-artifact make a Suno v6 song sound like a studio recording?
No. de-artifact reduces metallic and watery residue. It does not change the performance, cannot restore detail the generator never produced, and its positive Brightness regenerates the band above 8 kHz as the model's estimate, not the original. Listen to what it removes on every file.