ACE-Step · First MLX build 13 Apr 2026

ACE-Step1.5

MLX Audio mit

A 2.4B parameter text to audio model from ACE-Step, with 7 MLX builds, from fp32 to bf16.

Hugging Face
Parameters
2.4B
From Hugging Face
Quantisation
4-bit
ACE-Step1.5-MLX-4bit
Memory needed
5 GB
Estimate, unified memory
Download
2.1 GB
Weights, estimated
Downloads
306
This build, last 30 days
Task
Text to audio
Audio
MLX builds
7
On mlx-community
Devices
Mac
Apple silicon

Memory

Estimated from the size of the weights, plus a fifth for context and working memory and 2 GB for macOS and your apps. Long contexts need more.

Run it

Terminal · Hugging Face CLI
$ pip install -U huggingface_hub
$ hf download mlx-community/ACE-Step1.5-MLX-4bit

MLX builds

7 on mlx-community
Click a column to sort. Smallest size and most downloads are highlighted.
ACE-Step-1.5-vae-fp32 fp32 675 MB 3 GB 166
ACE-Step-1.5-planner-1.7B-4bit 4-bit 1.7 GB 4 GB 105
ACE-Step1.5-MLX-4bit 4-bit 2.1 GB 5 GB 306
ACE-Step-1.5-planner-1.7B-8bit 8-bit 2.4 GB 5 GB 113
ACE-Step-1.5-planner-1.7B-bf16 bf16 3.7 GB 7 GB 137
ACE-Step-1.5-turbo-bf16 bf16 4.8 GB 8 GB 184
ACE-Step1.5-MLX Unstated 9.6 GB 13 GB 235

Sizes are estimated from Hugging Face’s parameter counts and the quantisation. Downloads are for the last 30 days.