A Music.ai API alternative
Music.ai prices each module per minute: $0.05 for instrumental, $0.07 for each musical stem. StemX returns all six stems with MIDI, plus key and BPM, for one per-minute price.
| Feature | StemX | Music.ai |
|---|---|---|
| Price | from $0.0098 per minute, all six stems | $0.05/min instrumental + $0.07/min per stem |
| Stems | Six stems: vocals, drums, bass, guitar, piano and other, each with MIDI | Many modules (drums, bass, and more) |
| Key and BPM | Included | Separate paid modules |
| Free tier | 30 minutes a month | Pay as you go |
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: Music.ai pricing.
Frequently asked questions
What does a 3-minute song cost on each?
On Music.ai, vocals plus instrumental is two modules: about $0.36. On StemX it is 3 minutes from your balance; see the pricing page for the per-minute rate.
When is Music.ai the better choice?
When you need a module StemX does not offer; StemX covers stems, MIDI, key and BPM.