MLX Community · First MLX build 8 Jan 2026

LFM2.5-Audio-1.5B

MLX Audio lfm1.0

A 1.5B parameter audio to audio model, with 5 MLX builds, from 4-bit to bf16.

Hugging Face
Parameters
1.5B
From Hugging Face
Quantisation
4-bit
LFM2.5-Audio-1.5B-4bit
Memory needed
4 GB
Estimate, unified memory
Download
1.1 GB
Weights, estimated
Downloads
299
This build, last 30 days
Task
Audio to audio
Audio
MLX builds
5
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/LFM2.5-Audio-1.5B-4bit

MLX builds

5 on mlx-community
Click a column to sort. Smallest size and most downloads are highlighted.
LFM2.5-Audio-1.5B-4bit 4-bit 1.1 GB 4 GB 299
LFM2.5-Audio-1.5B-5bit 5-bit 1.2 GB 4 GB 20
LFM2.5-Audio-1.5B-6bit 6-bit 1.4 GB 4 GB 43
LFM2.5-Audio-1.5B-8bit 8-bit 1.7 GB 4 GB 67
LFM2.5-Audio-1.5B-bf16 bf16 2.9 GB 6 GB 93

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