MLX Community · First MLX build 2 Nov 2026
HeartCodec-oss
MLX
Audio apache-2.0 New
A 1.6B parameter text to audio model, with 2 MLX builds, from fp16 to fp32.
- Parameters
- 1.6B From Hugging Face
- Quantisation
- fp16 HeartCodec-oss-fp16
- Memory needed
- 6 GB Estimate, unified memory
- Download
- 3.1 GB Weights, estimated
- Downloads
- 110 This build, last 30 days
- Task
- Text to audio Audio
- MLX builds
- 2 On mlx-community
- Devices
- Mac Apple silicon
Memory
Will it fit?Needs about 6 GB at fp16
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/HeartCodec-oss-fp16MLX builds
2 on mlx-community| HeartCodec-oss-fp16 | fp16 | 3.1 GB | 6 GB | 110 |
|---|---|---|---|---|
| HeartCodec-oss-fp32 | fp32 | 6.3 GB | 10 GB | 106 |
Sizes are estimated from Hugging Face’s parameter counts and the quantisation. Downloads are for the last 30 days.