| | --- |
| | license: other |
| | license_name: ltx-video-license |
| | license_link: https://huggingface.co/Lightricks/LTX-2/blob/main/LICENSE.md |
| | library_name: mlx |
| | tags: |
| | - video-generation |
| | - mlx |
| | - apple-silicon |
| | - ltx-2 |
| | - dev |
| | - quantized |
| | --- |
| | |
| | # LTX-2 19B Dev (4-bit) - MLX |
| |
|
| | This is a 4-bit quantized version of the [LTX-2 19B Dev](https://huggingface.co/Lightricks/LTX-2) model, optimized for Apple Silicon using MLX. |
| |
|
| | ## Model Description |
| |
|
| | LTX-2 is a state-of-the-art video generation model from Lightricks. This version has been quantized to 4-bit precision for efficient inference on Apple Silicon devices with MLX. |
| |
|
| | ### Key Features |
| |
|
| | - **Pipeline**: Dev (full control with CFG scale) |
| | - **Quantization**: 4-bit precision |
| | - **Framework**: MLX (Apple Silicon optimized) |
| | - **Memory**: ~19GB VRAM required |
| |
|
| | ## Usage |
| |
|
| | ### Installation |
| |
|
| | ```bash |
| | pip install git+https://github.com/CharafChnioune/mlx-video.git |
| | ``` |
| |
|
| | ### Command Line |
| |
|
| | ```bash |
| | # Basic generation |
| | mlx-video --prompt "A beautiful sunset over the ocean" \ |
| | --model-repo AITRADER/ltx2-dev-4bit-mlx \ |
| | --pipeline dev \ |
| | --height 512 --width 512 \ |
| | --num-frames 33 |
| | |
| | # Dev pipeline with CFG |
| | mlx-video --prompt 'A cat playing with yarn' \\ |
| | --model-repo AITRADER/ltx2-dev-4bit-mlx \\ |
| | --pipeline dev \\ |
| | --steps 40 --cfg-scale 4.0 |
| | ``` |
| |
|
| | ### Python API |
| |
|
| | ```python |
| | from mlx_video import generate_video |
| | |
| | video = generate_video( |
| | prompt="A beautiful sunset over the ocean", |
| | model_repo="AITRADER/ltx2-dev-4bit-mlx", |
| | pipeline="dev", |
| | height=512, |
| | width=512, |
| | num_frames=33, |
| | ) |
| | ``` |
| |
|
| | ## Model Files |
| |
|
| | - `ltx-2-19b-dev-mlx.safetensors` - Main model weights (4-bit quantized) |
| | - `quantization.json` - Quantization configuration |
| | - `config.json` - Model configuration |
| | - `layer_report.json` - Layer information |
| |
|
| | ## Performance |
| |
|
| | | Resolution | Frames | Steps | |
| | |------------|--------|------| |
| | | 512x512 | 33 | ~40 steps | |
| | | 768x512 | 33 | ~40 steps | |
| |
|
| | ## License |
| |
|
| | This model is released under the [LTX Video License](https://huggingface.co/Lightricks/LTX-2/blob/main/LICENSE.md). |
| |
|
| | ## Acknowledgements |
| |
|
| | - [Lightricks](https://lightricks.com/) for the original LTX-2 model |
| | - [MLX](https://github.com/ml-explore/mlx) team at Apple for the framework |
| | - [mlx-video](https://github.com/CharafChnioune/mlx-video) for the MLX conversion |
| |
|
