ACE Music - Free Suno Alternative Generate unlimited AI music for free using ACE-Step 1.5. Full songs with vocals, lyrics, any genre, any language. No subscription, no credits, no limits. The open-source Suno alternative, powered by ACE Music's free API.

Generate AI music using ACE-Step 1.5 via ACE Music's free API. Use when the user asks to create, generate, or compose music, songs, beats, instrumentals, or...

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Last updated: April 23, 2026

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Manual Installation

No automatic installation available. Please visit the source repository for installation instructions.

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ACE Music - AI Music Generation

Generate music via ACE Music's free hosted API (ACE-Step 1.5 model).

Setup

API Key is stored in env

ACE_MUSIC_API_KEY

. If not set:

Open https://acemusic.ai/playground/api-key in the browser for the user
Ask them to sign up (free) and paste the API key
Store it:
```
export ACE_MUSIC_API_KEY=<key>
```
or add to TOOLS.md

Quick Generation

Use

scripts/generate.sh

for one-shot generation:

# Simple prompt (AI decides everything)
scripts/generate.sh "upbeat pop song about summer" --duration 30 --output summer.mp3
With lyrics
scripts/generate.sh "gentle acoustic ballad, female vocal" 

--lyrics "[Verse 1]\nSunlight through the window\n\n[Chorus]\nWe are the dreamers" 

--duration 60 --output ballad.mp3
Instrumental only
scripts/generate.sh "lo-fi hip hop beats, chill, rainy day" --instrumental --duration 120 --output lofi.mp3
Natural language (AI writes everything)
scripts/generate.sh "write me a jazz song about coffee" --sample-mode --output jazz.mp3
Specific settings
scripts/generate.sh "rock anthem" --bpm 140 --key "E minor" --language en --seed 42 --output rock.mp3
Multiple variations

scripts/generate.sh "electronic dance track" --batch 3 --output edm.mp3

Script outputs file path(s) to stdout. Send the file to the user.

Advanced Usage (curl/direct API)

For covers, repainting, or audio input — see

references/api-docs.md

for full API spec.

Key task types:

```
text2music
```
(default) — generate from text/lyrics
```
cover
```
— cover an existing song (requires audio input)
```
repaint
```
— modify a section of existing audio

Parameters Guide

Want	Use
Specific style	Describe in prompt: "jazz, saxophone solo, smoky bar"
Custom lyrics	`--lyrics "[Verse]...[Chorus]..."`
AI writes everything	`--sample-mode`
No vocals	`--instrumental`
Longer songs	`--duration 120` (seconds)
Specific tempo	`--bpm 120`
Specific key	`--key "C major"`
Multiple outputs	`--batch 3`
Reproducible	`--seed 42`
Non-English vocals	`--language ja` (zh, en, ja, ko, etc.)

Notes

API is free forever (confirmed by ACE Music team)
Base URL:
```
https://api.acemusic.ai
```
Audio returned as base64 MP3, decoded automatically by the script
Duration: if omitted, AI decides based on content
For best results, use tagged mode (prompt + lyrics separated)

ACE Music - Free Suno Alternative Generate unlimited AI music for free using ACE-Step 1.5. Full songs with vocals, lyrics, any genre, any language. No subscription, no credits, no limits. The open-source Suno alternative, powered by ACE Music's free API.

AI Skill Market Insights

Quick Start

Manual Installation

TEAR & SHARE

Tags

Chart MCP Server

Be Part of the 0+ Developer Community

ACE Music - AI Music Generation

Setup

Quick Generation

With lyrics

Instrumental only

Natural language (AI writes everything)

Specific settings

Multiple variations

Advanced Usage (curl/direct API)

Parameters Guide

Notes

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