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| "- Huggingface: [Lightricks/LTX-2.3](https://huggingface.co/Lightricks/LTX-2.3/)\n- Github: [LTX-2](https://github.com/Lightricks/LTX-2)\n\n## LTX-2.3 Prompting Tips\n\n1. **Core Actions**: Describe events and actions as they occur over time \n2. **Visual Details**: Describe all visual details you want to appear in the video \n3. **Audio**: Describe sounds and dialogue needed for the scene\n\n## Report LTX-2.3 Issues\nTo report any issues when running this workflow, [go to GitHub](https://github.com/Lightricks/ComfyUI-LTXVideo/issues)\n\n## Model Links (for Local Users)\n\n**latent_upscale_models**\n\n- [ltx-2.3-spatial-upscaler-x2-1.0.safetensors](https://huggingface.co/Lightricks/LTX-2.3/resolve/main/ltx-2.3-spatial-upscaler-x2-1.0.safetensors)\n\n**checkpoints**\n\n- [ltx-2.3-22b-dev.safetensors](https://huggingface.co/Lightricks/LTX-2.3/resolve/main/ltx-2.3-22b-dev.safetensors)\n\n**loras**\n\n- [ltx-2.3-22b-distilled-lora-384.safetensors](https://huggingface.co/Lightricks/LTX-2.3/resolve/main/ltx-2.3-22b-distilled-lora-384.safetensors)\n\n**text_encoders**\n\n- [gemma_3_12B_it_fp4_mixed.safetensors](https://huggingface.co/Comfy-Org/ltx-2/resolve/main/split_files/text_encoders/gemma_3_12B_it_fp4_mixed.safetensors)\n\n\n## Model Storage Location\n\n```\n📂 ComfyUI/\n├── 📂 models/\n│ ├── 📂 latent_upscale_models/\n│ │ └── ltx-2.3-spatial-upscaler-x2-1.0.safetensors\n│ ├── 📂 checkpoints/\n│ │ └── ltx-2.3-22b-dev.safetensors\n│ ├── 📂 loras/\n│ │ └── ltx-2.3-22b-distilled-lora-384.safetensors\n│ └── 📂 text_encoders/\n│ ├── gemma_3_12B_it_fp4_mixed.safetensors\n│ └── ltx-2-19b-embeddings_connector_dev_bf16.safetensors\n```\n\n## Report other issues\n\nNote: please update ComfyUI first ([guide](https://docs.comfy.org/zh-CN/installation/update_comfyui)) and prepare required models. Desktop/Cloud will be update after the stable builds; nightly-supported models may not be included yet, please wait for the update.\n\n- Cannot run / runtime errors: [ComfyUI/issues](https://github.com/comfyanonymous/ComfyUI/issues)\n- UI / frontend issues: [ComfyUI_frontend/issues](https://github.com/Comfy-Org/ComfyUI_frontend/issues)\n- Workflow issues: [workflow_templates/issues](https://github.com/Comfy-Org/workflow_templates/issues)" |
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| "title": "🅛🅣🅧 LTXV Audio VAE Loader" |
| } |
| }, |
| "14": { |
| "inputs": { |
| "samples": [ |
| "29", |
| 1 |
| ], |
| "audio_vae": [ |
| "13", |
| 0 |
| ] |
| }, |
| "class_type": "LTXVAudioVAEDecode", |
| "_meta": { |
| "title": "🅛🅣🅧 LTXV Audio VAE Decode" |
| } |
| }, |
| "15": { |
| "inputs": { |
| "frame_rate": [ |
| "23", |
| 0 |
| ], |
| "loop_count": 0, |
| "filename_prefix": "AnimateDiff", |
| "format": "video/h264-mp4", |
| "pix_fmt": "yuv420p", |
| "crf": 19, |
| "save_metadata": true, |
| "trim_to_audio": false, |
| "pingpong": false, |
| "save_output": true, |
| "images": [ |
| "12", |
| 0 |
| ], |
| "audio": [ |
| "14", |
| 0 |
| ] |
| }, |
| "class_type": "VHS_VideoCombine", |
| "_meta": { |
| "title": "Video Combine 🎥🅥🅗🅢" |
| } |
| }, |
| "17": { |
| "inputs": { |
| "skip_blocks": "29", |
| "model": [ |
| "28", |
| 1 |
| ], |
| "positive": [ |
| "22", |
| 0 |
| ], |
| "negative": [ |
| "22", |
| 1 |
| ], |
| "parameters": [ |
| "18", |
| 0 |
| ] |
| }, |
| "class_type": "MultimodalGuider", |
| "_meta": { |
| "title": "🅛🅣🅧 Multimodal Guider" |
| } |
| }, |
| "18": { |
| "inputs": { |
| "modality": "VIDEO", |
| "cfg": 3, |
| "stg": 0, |
| "rescale": 0, |
| "modality_scale": 3, |
| "parameters": [ |
| "19", |
| 0 |
| ] |
| }, |
| "class_type": "GuiderParameters", |
| "_meta": { |
| "title": "🅛🅣🅧 Guider Parameters" |
| } |
| }, |
| "19": { |
| "inputs": { |
| "modality": "AUDIO", |
| "cfg": 7, |
| "stg": 0, |
| "rescale": 0, |
| "modality_scale": 3 |
| }, |
| "class_type": "GuiderParameters", |
| "_meta": { |
| "title": "🅛🅣🅧 Guider Parameters" |
| } |
| }, |
| "21": { |
| "inputs": { |
| "audioUI": "", |
| "audio": [ |
| "14", |
| 0 |
| ] |
| }, |
| "class_type": "PreviewAudio", |
| "_meta": { |
| "title": "PreviewAudio" |
| } |
| }, |
| "22": { |
| "inputs": { |
| "frame_rate": [ |
| "23", |
| 0 |
| ], |
| "positive": [ |
| "3", |
| 0 |
| ], |
| "negative": [ |
| "4", |
| 0 |
| ] |
| }, |
| "class_type": "LTXVConditioning", |
| "_meta": { |
| "title": "LTXVConditioning" |
| } |
| }, |
| "23": { |
| "inputs": { |
| "value": 25 |
| }, |
| "class_type": "FloatConstant", |
| "_meta": { |
| "title": "Float Constant" |
| } |
| }, |
| "26": { |
| "inputs": { |
| "frames_number": [ |
| "27", |
| 0 |
| ], |
| "frame_rate": [ |
| "42", |
| 0 |
| ], |
| "batch_size": 1 |
| }, |
| "class_type": "LTXVEmptyLatentAudio", |
| "_meta": { |
| "title": "🅛🅣🅧 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": "🅛🅣🅧 LTXV Concat AV Latent" |
| } |
| }, |
| "29": { |
| "inputs": { |
| "av_latent": [ |
| "41", |
| 0 |
| ], |
| "model": [ |
| "28", |
| 1 |
| ] |
| }, |
| "class_type": "LTXVSeparateAVLatent", |
| "_meta": { |
| "title": "🅛🅣🅧 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": true, |
| "VHS_KeepIntermediate": true |
| }, |
| "version": 0.4 |
| } |
