MLX Community · First MLX build 22 Jan 2026
Qwen3-TTS-12Hz-1.7B-CustomVoice
MLX
Audio apache-2.0
A 1.9B parameter text to speech model, with 4 MLX builds, from 4-bit to bf16.
- Parameters
- 1.9B From Hugging Face
- Quantisation
- bf16 Qwen3-TTS-12Hz-1.7B-CustomVoice-bf16
- Memory needed
- 7 GB Estimate, unified memory
- Download
- 3.8 GB Weights, estimated
- Downloads
- 6.2K This build, last 30 days
- Task
- Text to speech Audio
- MLX builds
- 4 On mlx-community
- Devices
- Mac Apple silicon
Memory
Will it fit?Needs about 7 GB at bf16
8 GB
16 GB
24 GB
32 GB
64 GB
128 GB
Fits with headroomTight, close other appsWon’t fit
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/Qwen3-TTS-12Hz-1.7B-CustomVoice-bf16MLX builds
4 on mlx-community| Qwen3-TTS-12Hz-1.7B-CustomVoice-4bit | 4-bit | 1.6 GB | 4 GB | 5.9K |
|---|---|---|---|---|
| Qwen3-TTS-12Hz-1.7B-CustomVoice-5bit | 5-bit | 1.8 GB | 5 GB | 29 |
| Qwen3-TTS-12Hz-1.7B-CustomVoice-6bit | 6-bit | 2.0 GB | 5 GB | 2.3K |
| Qwen3-TTS-12Hz-1.7B-CustomVoice-bf16 | bf16 | 3.8 GB | 7 GB | 6.2K |
Sizes are estimated from Hugging Face’s parameter counts and the quantisation. Downloads are for the last 30 days.