ACE-Step V1: AI Music Generation and Editing for ComfyUI

ACE-Step V1 is the first version of the open-source music generation model, supporting music generation, audio editing, multi-language lyrics, and style transfer.

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ACE-Step V1

AudioOpen SourceMusic Generation

First-generation open-source music generation model. Supports text-to-music, audio editing, multi-language lyrics input with English character conversion, voice cloning, and style transfer. Optimized for ComfyUI with merged all-in-one checkpoint.

GitHubComfy-OrgCustom Node
DeveloperStepFun & ACE Studio
Release Date2025-05
Architecture3.5B Diffusion Transformer
LicenseApache-2.0
Checkpoint6.71 GB (all-in-one merged)

Guides and workflows related to this model series.

ACE-Step ComfyUI Native and Custom Node Workflow Guide
ACE-Step ComfyUI Native and Custom Node Workflow Guide

How to use ACE-Step model to generate music in ComfyUI。

Ace-step
Audio