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ACE-Step 1.5 song generator | ST Studio

Resources/ACE-Step 1.5 song generator

Published version

Version details

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PipeListedHosted

ACE-Step 1.5 song generator

Generate an MP3 song from a musical description, lyrics and musical settings using the fixed ACE-Step 1.5 XL SFT model.

Generate an MP3 song from a musical description, lyrics and musical settings using the fixed ACE-Step 1.5 XL SFT model.

Workflow details

FamilyACE-StepResolution1024x1024Estimated VRAMNot yet characterizedPublisherSweet Tea AutomationUpdatedOct 22Bgrade

Runtime profile

Publisher: Sweet Tea Automation
Status: Listed
Version

Sources

1 source

Sweet TeaSource

Checking published version…

Updated

Oct 22, 2026

Hover nodes for Pipe controls

Core

Primary Pipe surface

Song direction

TextEncodeAceStepAudio1.5

Audio shape

EmptyAceStep1.5LatentAudio

MP3 output

SaveAudioMP3

Output

Extended

Additional surfaced controls

Randomization

PrimitiveInt

Audio diffusion

KSampler

Noise schedule adjustment

ModelSamplingAuraFlow

What you need

Model files: 1.4 GiB known subtotal

Remaining hardware or download-size estimates are not available yet.

Output

SaveAudioMP3 · audio

Requirements

Models

4

ace_1.5_vae.safetensors
File unverified
VAE · Hugging Face · Comfy-Org/ace_step_1.5_ComfyUI_files · aceStepAudioGen_vae.safetensors
acestep_v1.5_xl_sft_bf16.safetensors
Not resolved
Checkpoint · Hugging Face · Comfy-Org/ace_step_1.5_ComfyUI_files

qwen_0.6b_ace15.safetensors

File unverified

Text encoder · Hugging Face · Comfy-Org/ace_step_1.5_ComfyUI_files · ACE-Step Audio Gen (TEnc qwen_0.6b_ace15)

qwen_4b_ace15.safetensors

File unverified

Text encoder · Hugging Face · Comfy-Org/ace_step_1.5_ComfyUI_files