ACE Step AI & API: Revolutionizing Music Generation with AI
ACE Step is the most innovative AI model designed to transform music generation. Bridging the gap between speed, musical coherence, and control, ACE-Step sets a new standard in music AI, creating music that empowers artists and creators to explore new realms of music gneration.
Our Pricing Plans
Pay-as-you-go access through PiAPI.
ACE Step Music Generation
$0.00005
Per second of generated audio output.
Features
Capabilities from the production model page.
State-of-the-Art Music Generation
ACE Step utilizes cutting-edge technology to synthesize up to 4 minutes of music in just 20 seconds, outperforming traditional models by achieving superior coherence and lyric alignment in melody, harmony, and rhythm.
Advanced Control Mechanisms
From voice cloning to lyric editing, ACE-Step offers unparalleled control, enabling remixing, track generation, and more through fine-grained control over acoustic details.
Instrumental Versatility
Generate realistic instrumental music with Acestep's ability to produce tracks across various genres, ensuring appropriate timbre, expression, and complex arrangements with multiple instruments.
Multilingual Support
Create music in 19 languages, with top performance in 10 widely-spoken languages, including English, Chinese, Russian, and Spanish, though there are limitations with less common languages.
Training-Free Applications
Explore applications like retake, repaint, and edit for effortless song variations and modifications. Ace-Step uses flow-edit and variations generation techniques to ensure smooth and creative edits.
Powerful LoRA Fine-Tuned Applications
Leverage ACE Step ability to produce pure vocal samples with Lyric2Vocal, create instrumental loops with Text2Samples, or engage in expressive AI rap battles using RapMachine.
Limitations & Improvements
ACE Step is continuously evolving. Users should be aware of potential output inconsistency, style-specific limitations, vocal quality challenges, and multilingual lyric compliance, which are areas for ongoing refinement and enhancement.
Get started
Create your API key
Sign up and grab an API key from the PiAPI workspace — free credits are included on sign-up.
Top up credits
Add credits on the billing page when you are ready to scale beyond the free tier.
Call the API
POST your first task following the API docs, then poll the task until the result is ready.
Iterate in the playground
Prototype prompts and settings in the the playground above before wiring them into your product.
curl -X POST 'https://api.piapi.ai/api/v1/task' \
-H 'X-API-Key: YOUR_API_KEY' \
-H 'Content-Type: application/json' \
-d '{
"model": "Qubico/ace-step",
"task_type": "txt2audio",
"input": {
"style_prompt": "guitar and piano",
"lyrics": "[inst]",
"duration": 10
}
}'
# → { "task_id": "9d5a…", "status": "pending" }curl 'https://api.piapi.ai/api/v1/task/{task_id}' \
-H 'X-API-Key: YOUR_API_KEY'
# poll until status = completed
{
"data": {
"status": "completed",
"output": {
"audio_url": "https://img.theapi.app/ephemeral/…"
}
}
}$ npm install -g piapi-cli $ piapi run ace-step \ style_prompt="guitar and piano" \ lyrics=[inst] \ duration=10 ✓ Task completed! https://img.theapi.app/ephemeral/…
Frequently Asked Questions
What types of music can ACE Step generate?
ACEstep can generate a wide range of instrumental and vocal music across different genres and styles. It excels in creating realistic instrumental tracks with diverse timbres and expressions, maintaining musical coherence in complex arrangements. Additionally, ACE-Step is capable of producing vocal samples tailored to various genres, offering users the flexibility to explore music production in styles ranging from classical and jazz to pop, rock, electronic, and rap.
How is ACE-Step different to other music AI models?
ACE-Step adopts diffusion-based generation with architectural components such as DCAE and linear transformers, providing fast synthesis while maintaining musical coherence.
How can I control specific features of the music generated by ACE Step?
ACE-Step offers several control mechanisms include voice cloning, lyric editing, and remixing. Additionally, its training-free applications allow for easy modifications and variations of generated content.
Does ACE Step support multilingual lyric generation?
Yes, ACE Step supports lyric generation in 19 languages, with the highest performance in 10 widely-used languages. However, less common languages may experience performance inconsistencies.
Can I use Ace-step to generate songs commercially?
Yes, ACE-Step is an open-source model that can be used for commercial music generation, providing artists and producers the tools they need to create and monetize music projects. However, it's important to check the licensing terms and ensure compliance with any applicable regulations or restrictions regarding its use.
Do you offer refunds?
No, we do not offer refunds. But when you first sign up for an account on PiAPI's Workspace, you are given free credits to try our ACE Step Model (specifically the "Pay-as-you-go" service) before making payments!
More questions? See the API docs.
Our blog
ACE Step Review
