A LALAL.AI API alternative
LALAL.AI's API needs its Pro plan and bills each stem type separately. StemX bills all six stems together as one minute, with a free tier on the same account.
| Feature | StemX | LALAL.AI |
|---|---|---|
| Price | from $0.0098 per minute, all six stems | $0.06–0.067 per minute per stem type |
| Plan needed for the API | None. Free accounts can create keys | Pro plan ($15/mo billed yearly) |
| Stems | Six stems: vocals, drums, bass, guitar, piano and other, each with MIDI | Several stem types |
| Key and BPM | Returned with each separation when detected | Not included |
| Results | Poll a job | Poll a job |
Checked 2026-10-02. StemX returns six stems: vocals, drums, bass, guitar, piano and other. Key: When it answers, it's right about 80% of the time. It answers on about 44% of songs. Source: LALAL.AI pricing.
Frequently asked questions
Is StemX cheaper than LALAL.AI for vocal removal?
For vocals plus instrumental, yes: StemX bills both as one minute, and its per-minute rate is lower than LALAL.AI's published top-up rates.
Which stems does StemX separate?
Six: vocals, drums, bass, guitar, piano and other, with a MIDI file for each. Through the API you can also ask for just vocals and instrumental (stems=both).