OpenMOSS-Team · First MLX build 2 Sept 2026

MOSS-TTS-Local-Transformer-v1.5

MLX Audio apache-2.0

A 4.6B parameter text to speech model from OpenMOSS-Team, with 3 MLX builds, from 4-bit to bf16.

Hugging Face
Parameters
4.6B
From Hugging Face
Quantisation
8-bit
MOSS-TTS-Local-Transformer-v1.5-8bit
Memory needed
8 GB
Estimate, unified memory
Download
4.9 GB
Weights, estimated
Downloads
493
This build, last 30 days
Task
Text to speech
Audio
MLX builds
3
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/MOSS-TTS-Local-Transformer-v1.5-8bit

MLX builds

3 on mlx-community
Click a column to sort. Smallest size and most downloads are highlighted.
MOSS-TTS-Local-Transformer-v1.5-4bit 4-bit 2.6 GB 5 GB 343
MOSS-TTS-Local-Transformer-v1.5-8bit 8-bit 4.9 GB 8 GB 493
MOSS-TTS-Local-Transformer-v1.5-bf16 bf16 9.1 GB 13 GB 122

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