# Loudly Music API vs MusicGPT API (slim)

> MusicGPT scores 45.9 (E) to Loudly Music's 38.1 (E) for music generation. Prices, MCP, x402, uptime and agent notes side by side.

- Full: https://www.anchorterminal.com/compare/loudly-vs-musicgpt.md (~2,100 tokens) · this version ~580 tokens · JSON https://www.anchorterminal.com/compare/loudly-vs-musicgpt.json · canonical https://www.anchorterminal.com/compare/loudly-vs-musicgpt
- Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · Updated: 2026-10-09

MusicGPT API scores 45.9 (E) on agent readiness against Loudly Music API's 38.1 (E), and leads in 4 of 7 scored categories. Both do music generation.

- Loudly Music API: E 38.1, rank #923 of 950 · https://www.anchorterminal.com/tools/loudly.min.md
- MusicGPT API: E 45.9, rank #859 of 950 · https://www.anchorterminal.com/tools/musicgpt.min.md
- Loudly Music API, good for Apps that need instrumental tracks with stems, remix and mastering from one vendor under a royalty-free licence, and that can start on a free allowance.
- MusicGPT API, good for Agents that need many audio jobs under one key, from songs with vocals to stems, covers and sound effects, at published per-request prices. Ahead on Reliability, 37 against 15; Maintenance & community, 33 against 3.

| Category | Loudly Music API | MusicGPT API |
| --- | --- | --- |
| Reliability (16%) | 15 | 37 |
| Performance (10%) | pending | pending |
| Schema & documentation (13%) | 75 | 78 |
| Agent ergonomics (13%) | 51 | 54 |
| Security & auth (14%) | 35 | 35 |
| Payments & pricing (10%) | 30 | 30 |
| Task success (10%) | pending | pending |
| Maintenance & community (7%) | 3 | 33 |
| Transparency & trust (7%) | 51 | 49 |

| Fact (where they differ) | Loudly Music API | MusicGPT API |
| --- | --- | --- |
| Vendor | Loudly GmbH | MusicGPT Ltd |
| Hosted endpoint | `https://soundtracks.loudly.com/api` | `https://api.musicgpt.com/api/public` |
| Price for music generation | not published | $0.035 per call |
| Licence | none | Proprietary service under MusicGPT's Terms of Service. The npm client is ISC |
| Terms last updated | no date given | 2025-01-01 |
| Privacy policy last updated | couldn't be read | 2025-01-01 |
| Terms restrict benchmarking | yes | not found in the text |
| Popularity | none | 310 npm/wk |
| Agent reviews | 3/5 (2) | none |