Qubico Logo
ACE-Step Model

ACE-Step Model

AI Music Generation, Remix & Editing Powered by ACE-Step

🎵 Generate, remix, and edit high-quality music with a single API call. No setup. No GPU. Just results. Whether you're creating original compositions, remixing existing tracks, or fine-tuning specific sections, ACE-Step delivers professional-quality results with multi-language support and multiple creative workflows.

View Documentation

ACE-Step Workflow Options

Text-to-Audio
txt2audio
"[verse] Walking through the city lights [chorus] Feeling so alive tonight"
Audio-to-Audio
audio2audio
Upload reference track → Generate similar style
Audio Editing
edit
Modify specific sections while preserving structure
Audio Extension
extend
Add intros/outros with seamless transitions
Multi-language support
•
GPU hosted
•
Webhook ready

Four Powerful Capabilities

From creation to editing, ACE-Step covers every aspect of AI-powered music production

Most Popular
Text-to-Audio
Generate music from text prompts and lyrics
  • Multi-language support
  • Structure tags [verse], [chorus]
  • Full-length compositions
Creative
Audio-to-Audio
Remix and style transfer from reference tracks
  • Style similarity
  • AI covers
  • Timbre transfer
Professional
Audio Editing
Modify specific sections while preserving structure
  • Non-destructive
  • Lyric editing
  • Melodic rewrites
Enhanced
Audio Extension
Add intros and outros with natural transitions
  • Seamless continuation
  • Natural transitions
  • Automatic generation

Powerful Features

Built for creators who need professional-quality music generation with maximum flexibility

Text-to-Audio Generation
Generate full-length AI music from simple text prompts and optional lyrics. Smart structure alignment using tags like [verse], [chorus] for better lyrical flow.
Audio-to-Audio Remixing
Upload a reference track and generate a new version with similar style. Perfect for remixing, AI covers, or timbre/style transfer.
Precision Audio Editing
Modify specific sections of existing songs while preserving melody and structure. Supports lyric-only editing or full melodic rewrites.
Audio Extension
Automatically add intros or outros to your existing audio with seamless continuation and natural transitions.
Multi-Language Support
Native support for Chinese, English, and Russian. Other languages supported via prefix notation for broader international reach.
Fully Hosted & GPU-Accelerated
No installation, no environment setup, and no GPU needed. Just call the API and get professional results instantly.
Webhook Integration
Optional webhook URL to receive results asynchronously. Easily integrate into your app, platform, or creative toolchain.
Non-Destructive Workflow
Perfect for iterative workflows with non-destructive editing that preserves your original audio while exploring variations.
Apache 2.0 Licensed
Built on the open-source ACE-Step model with commercial usage rights. Integrate freely into your products and services.

Simple, Transparent Pricing

Pay only for what you generate

AI Music Generation
$0.0005/second
Example Pricing:
60-second song$0.03
3-minute song$0.09
All task types included
Multi-language support
Webhook notifications
Commercial use allowed
Free tier for testing

Frequently Asked Questions

Everything you need to know about ACE-Step Model

Ready to Transform Your Music Creation?

Join thousands of creators using ACE-Step Model to generate, remix, and edit professional music with multi-language capabilities. No setup required, just pure creative power at your fingertips.