Model · Music and sound

Demucs

A free, open model that splits a song into separate drums, bass, vocals and other parts (a six-part version adds guitar and piano). You run it yourself from the command line; it powers many stem-splitting apps.

Go to Demucs’s website

At a glance

Open or closed
Fully open
Weights and code downloadable under a standard open licence
Code and pretrained weights downloadable under MIT.
source · checked 12 Oct 2026 · checked on the maker's own page
Licence
MIT (Permissive (e.g. Apache 2.0, MIT))
source · checked 12 Oct 2026 · checked on the maker's own page
Can I sell what I make?
Yes
MIT licence allows commercial use. Rights in the song you split still belong to its owners.
source · checked 12 Oct 2026 · checked on the maker's own page
Cost
Free option: Free to download and run yourself
Plans below.
How you use it
On your own computer
Install with pip (Python 3.8+). 3GB GPU minimum is stated for Demucs generally.
source · checked 12 Oct 2026 · checked on the maker's own page
Skill needed
Technical
source · checked 12 Oct 2026 · checked on the maker's own page
Made by
Meta (Facebook Research)
Published under the facebookresearch GitHub organisation; no company location stated.
source · checked 12 Oct 2026 · checked, but the page was unclear or partial
Status
Available
No lifecycle state fits 'archived but still available'; kept as active.
source · checked 12 Oct 2026 · checked on the maker's own page

What you can make with it

audio to audio

source · checked 12 Oct 2026 · checked on the maker's own page

Plans and prices

No paid plans listed.

source · checked 12 Oct 2026 · checked on the maker's own page

Other options for “Music and sound, separate a song into parts”

AudioShake, Eleven Music, Filmora, Google Flow Music, Google Flow Music (formerly MusicFX), Google Flow Music (formerly Riffusion), Kits AI, LALAL.AI, LANDR, Loudly, Moises, MyEdit, Soundful, Soundverse, Suno, Ultimate Vocal Remover, Voice-Swap

About this entry

Facts last checked 12 Oct 2026 against the maker’s own pages (each fact links to its source). Entry status: draft. Plain-English summary written by Plainly.