Instructions to use RuneXX/LTX-2-Workflows with libraries, inference providers, notebooks, and local apps. Follow these links to get started.
- Libraries
- LTX-2
How to use RuneXX/LTX-2-Workflows with LTX-2:
# Install the LTX-2 pipelines git clone https://github.com/Lightricks/LTX-2.git cd LTX-2 uv sync --frozen
# Download the weights from this repo, plus the Gemma text encoder hf download RuneXX/LTX-2-Workflows --local-dir models/LTX-2-Workflows hf download google/gemma-3-12b-it-qat-q4_0-unquantized --local-dir models/gemma-3-12b
# Fast pipeline (distilled model, no distilled LoRA needed) uv run python -m ltx_pipelines.distilled \ --distilled-checkpoint-path models/LTX-2-Workflows/<distilled-checkpoint>.safetensors \ --spatial-upsampler-path models/LTX-2-Workflows/<spatial-upsampler>.safetensors \ --gemma-root models/gemma-3-12b \ --prompt "A beautiful sunset over the ocean" \ --output-path output.mp4 # For image-to-video, add: --image path/to/image.jpg 0 0.8# HQ pipeline (two-stage, higher quality) uv run python -m ltx_pipelines.ti2vid_two_stages_hq \ --checkpoint-path models/LTX-2-Workflows/<checkpoint>.safetensors \ --distilled-lora models/LTX-2-Workflows/<distilled-lora>.safetensors 0.8 \ --spatial-upsampler-path models/LTX-2-Workflows/<spatial-upsampler>.safetensors \ --gemma-root models/gemma-3-12b \ --prompt "A beautiful sunset over the ocean" \ --output-path output.mp4 # For image-to-video, add: --image path/to/image.jpg 0 0.8 - Notebooks
- Google Colab
- Kaggle
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| ], | |
| "color": "#1b4669", | |
| "bgcolor": "#29699c" | |
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| { | |
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| "type": "INT", | |
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| "secondTabText": "Send Back", | |
| "secondTabOffset": 80, | |
| "secondTabWidth": 65 | |
| }, | |
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| 512, | |
| 121, | |
| 1 | |
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| { | |
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| { | |
| "name": "mask", | |
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| { | |
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| { | |
| "name": "height", | |
| "type": "INT", | |
| "widget": { | |
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| "link": 473 | |
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| "outputs": [ | |
| { | |
| "name": "IMAGE", | |
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| 479 | |
| ] | |
| }, | |
| { | |
| "name": "width", | |
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| { | |
| "name": "height", | |
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| { | |
| "name": "mask", | |
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| "properties": { | |
| "cnr_id": "comfyui-kjnodes", | |
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| 32, | |
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| "name": "LATENT", | |
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| 641 | |
| ] | |
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| "title": "Get_latent", | |
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| "latent" | |
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| { | |
| "id": 184, | |
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| "name": "VAE", | |
| "type": "VAE", | |
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| "title": "Load VAE (video VAE)", | |
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| "name": "VAE", | |
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| "title": "Get_vae_tiny", | |
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| "widgets_values": [ | |
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| "name": "MODEL", | |
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| "title": "Get_model_with_lora", | |
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| "widgets_values": [ | |
| "model_with_lora" | |
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| { | |
| "id": 356, | |
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| "name": "positive", | |
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| { | |
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| { | |
| "name": "latent_image", | |
| "type": "LATENT", | |
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| { | |
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| "name": "seed" | |
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| { | |
| "name": "LATENT", | |
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| "links": [ | |
| 645 | |
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| "properties": { | |
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| { | |
| "name": "latent_upscale_model", | |
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| "type": "LATENT_UPSCALE_MODEL", | |
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| { | |
| "name": "vae", | |
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| "properties": { | |
| "cnr_id": "comfyui-kjnodes", | |
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| { | |
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| }, | |
| { | |
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| "name": "CLIP", | |
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| 657 | |
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| } | |
| ], | |
| "title": "CLIPLoader (Gemma + LTX Embeddings)", | |
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| "cnr_id": "gguf", | |
| "ver": "e802c7831507af49eefa40324eb78378eec4f3cf", | |
| "Node name for S&R": "DualClipLoaderGGUF" | |
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| "title": "Video settings", | |
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| "outputs": [ | |
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| { | |
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| "inputs": { | |
| "frames_number": [ | |
| "27", | |
| 0 | |
| ], | |
| "frame_rate": [ | |
| "42", | |
| 0 | |
| ], | |
| "batch_size": 1 | |
| }, | |
| "class_type": "LTXVEmptyLatentAudio", | |
| "_meta": { | |
| "title": "๐ ๐ ฃ๐ ง LTXV Empty Latent Audio" | |
| } | |
| }, | |
| "27": { | |
| "inputs": { | |
| "value": 105 | |
| }, | |
| "class_type": "INTConstant", | |
| "_meta": { | |
| "title": "INT Constant" | |
| } | |
| }, | |
| "28": { | |
| "inputs": { | |
| "video_latent": [ | |
| "43", | |
| 0 | |
| ], | |
| "audio_latent": [ | |
| "26", | |
| 0 | |
| ], | |
| "model": [ | |
| "44", | |
| 0 | |
| ] | |
| }, | |
| "class_type": "LTXVConcatAVLatent", | |
| "_meta": { | |
| "title": "๐ ๐ ฃ๐ ง LTXV Concat AV Latent" | |
| } | |
| }, | |
| "29": { | |
| "inputs": { | |
| "av_latent": [ | |
| "41", | |
| 0 | |
| ], | |
| "model": [ | |
| "28", | |
| 1 | |
| ] | |
| }, | |
| "class_type": "LTXVSeparateAVLatent", | |
| "_meta": { | |
| "title": "๐ ๐ ฃ๐ ง LTXV Separate AV Latent" | |
| } | |
| }, | |
| "41": { | |
| "inputs": { | |
| "noise": [ | |
| "11", | |
| 0 | |
| ], | |
| "guider": [ | |
| "17", | |
| 0 | |
| ], | |
| "sampler": [ | |
| "8", | |
| 0 | |
| ], | |
| "sigmas": [ | |
| "9", | |
| 0 | |
| ], | |
| "latent_image": [ | |
| "28", | |
| 0 | |
| ] | |
| }, | |
| "class_type": "SamplerCustomAdvanced", | |
| "_meta": { | |
| "title": "SamplerCustomAdvanced" | |
| } | |
| }, | |
| "42": { | |
| "inputs": { | |
| "a": [ | |
| "23", | |
| 0 | |
| ] | |
| }, | |
| "class_type": "CM_FloatToInt", | |
| "_meta": { | |
| "title": "FloatToInt" | |
| } | |
| }, | |
| "43": { | |
| "inputs": { | |
| "width": 768, | |
| "height": 512, | |
| "length": [ | |
| "27", | |
| 0 | |
| ], | |
| "batch_size": 1 | |
| }, | |
| "class_type": "EmptyLTXVLatentVideo", | |
| "_meta": { | |
| "title": "EmptyLTXVLatentVideo" | |
| } | |
| }, | |
| "44": { | |
| "inputs": { | |
| "torch_compile": true, | |
| "disable_backup": false, | |
| "model": [ | |
| "1", | |
| 0 | |
| ] | |
| }, | |
| "class_type": "LTXVSequenceParallelMultiGPUPatcher", | |
| "_meta": { | |
| "title": "LTXVSequenceParallelMultiGPUPatcher" | |
| } | |
| }, | |
| "45": { | |
| "inputs": { | |
| "frame_idx": 0, | |
| "strength": 1 | |
| }, | |
| "class_type": "LTXVAddGuide", | |
| "_meta": { | |
| "title": "LTXVAddGuide" | |
| } | |
| } | |
| }, | |
| "comfy_fork_version": "feature/av_inference@a6994ed1", | |
| "VHS_latentpreview": false, | |
| "VHS_latentpreviewrate": 0, | |
| "VHS_MetadataImage": false, | |
| "VHS_KeepIntermediate": false | |
| }, | |
| "version": 0.4 | |
| } |