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AI Stem Separation
What it is
AI Stem Separation is a web service that splits audio into musical parts, including vocals, drums, bass, guitar, piano, and other stems, or into vocal and instrumental tracks. Before processing, users can choose 2-stem, 4-stem, or full 6-stem separation. The service says it runs Demucs on Replicate, using htdemucs for 2- and 4-stem jobs and htdemucs_6s for 6-stem jobs. Audio can be uploaded as MP3, WAV, FLAC, M4A, OGG, or WEBM, or provided through a YouTube or SoundCloud link; Spotify and TikTok imports are not offered. Users can preview the results, download selected tracks or a ZIP, and export WAV with a minute pack. Billing is based on source audio length, rounded up per job, rather than on the number of stems downloaded. The free plan includes 5 minutes to use within the month, with a 4-minute per-file limit and MP3 downloads. One-time paid packs start at $4.99. Pack limits affect file size, duration, and job retention. The service has no VST or AU plugin.
For and against
For
- Choose 2-, 4-, or 6-stem separation
- Accepts six listed audio file formats
- Preview stems and download selected tracks or a ZIP
- Free plan includes 5 minutes
Against
- No Spotify or TikTok import
- No VST or AU plugin
- Free minutes expire at month end
- File limits and retention vary by pack
The verdict
AI Stem Separation offers several separation options and ways to bring in audio and export results. Check the pack limits and retention window, and note that the service does not provide a DAW plugin.
Who it suits
The service may suit musicians, DJs, producers, music teachers, content creators, and podcasters who want separate audio parts for editing or listening. It is also a fit for people who work with one of the listed audio formats or supported links.
Plans and prices
Free
5 minutes · max 4 min/file · max 50 MB/file · MP3 downloads
Read 8 Oct 2026 · aistemseparation.com
Spark
30 minutes · never expire · max 15 min/file · max 100 MB/file
Read 8 Oct 2026 · aistemseparation.com
Session
100 minutes · never expire · max 20 min/file · max 150 MB/file
Read 8 Oct 2026 · aistemseparation.com
Batch
300 minutes · never expire · max 30 min/file · max 250 MB/file
Read 8 Oct 2026 · aistemseparation.com
On the record
- Billing
- Processing is charged by source audio length, rounded up per job, and not by the number of stems downloaded.aistemseparation.com · read 8 Oct 2026
- Data processing
- Uploaded audio and generated stems may be transmitted to cloud hosting, storage, and AI inference providers to provide the service.aistemseparation.com · read 8 Oct 2026
- DAW compatibility
- Downloaded stems can be imported into Logic Pro, Ableton Live, FL Studio, Cubase, or Reaper; the service says it has no VST or AU plugin.aistemseparation.com · read 8 Oct 2026
- Exports and workflow
- Users can preview and audition stems, download selected tracks or a ZIP, and export WAV with a minute pack.aistemseparation.com · read 8 Oct 2026
- Import exclusions
- The service does not offer Spotify or TikTok import.aistemseparation.com · read 8 Oct 2026
- Input formats
- The tool accepts MP3, WAV, FLAC, M4A, OGG, and WEBM files, and supports YouTube or SoundCloud links.aistemseparation.com · read 8 Oct 2026
- Intended users
- The site describes use cases for musicians, DJs, producers, music teachers, content creators, and podcasters.aistemseparation.com · read 8 Oct 2026
- Limits and retention
- File size and duration limits depend on the pack, and processed jobs remain available in My Jobs only within a limited retention window.aistemseparation.com · read 8 Oct 2026
- Models and processing
- The site says it runs Demucs on Replicate, using htdemucs for 2/4-stem jobs and htdemucs_6s for 6-stem jobs.aistemseparation.com · read 8 Oct 2026
- Security and privacy
- The privacy policy says the service uses encryption in transit, access controls, and least-privilege practices where applicable, and does not sell personal information.aistemseparation.com · read 8 Oct 2026
- Separation modes
- Users can choose 2-stem, 4-stem, or full 6-stem separation before processing.aistemseparation.com · read 8 Oct 2026
- Support
- The site lists [email protected] for feedback and support.aistemseparation.com · read 8 Oct 2026
- What it does
- The browser service separates audio into vocals, drums, bass, guitar, piano, and other stems, or into vocal and instrumental tracks.aistemseparation.com · read 8 Oct 2026
