{ "id": "07824bbb-6672-4bb0-ac36-4313a519e35b", "revision": 0, "last_node_id": 271, "last_link_id": 609, "nodes": [ { "id": 75, "type": "SaveVideo", "pos": [ 430, 3530 ], "size": [ 660, 470 ], "flags": { "collapsed": false }, "order": 4, "mode": 0, "inputs": [ { "name": "video", "type": "VIDEO", "link": 594 } ], "outputs": [], "properties": { "enableTabs": false, "tabWidth": 65, "tabXOffset": 10, "hasSecondTab": false, "secondTabText": "Send Back", "secondTabOffset": 80, "secondTabWidth": 65, "cnr_id": "comfy-core", "ver": "0.5.1", "Node name for S&R": "SaveVideo" }, "widgets_values": [ "video/LTX_2.3_t2v", "auto", "auto" ] }, { "id": 269, "type": "LoadImage", "pos": [ -440, 3530 ], "size": [ 400, 470 ], "flags": {}, "order": 0, "mode": 0, "inputs": [], "outputs": [ { "name": "IMAGE", "type": "IMAGE", "links": [ 609 ] }, { "name": "MASK", "type": "MASK", "links": null } ], "properties": { "enableTabs": false, "tabWidth": 65, "tabXOffset": 10, "hasSecondTab": false, "secondTabText": "Send Back", "secondTabOffset": 80, "secondTabWidth": 65, "cnr_id": "comfy-core", "ver": "0.16.3", "Node name for S&R": "LoadImage" }, "widgets_values": [ "example.png", "image" ] }, { "id": 103, "type": "MarkdownNote", "pos": [ -1220, 3530 ], "size": [ 734.4791666666667, 1067.2786458333335 ], "flags": {}, "order": 1, "mode": 0, "inputs": [], "outputs": [], "title": "Model Links", "properties": {}, "widgets_values": [ "- 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- BF16: [ltx-2.3-22b-dev.safetensors](https://huggingface.co/Lightricks/LTX-2.3/resolve/main/ltx-2.3-22b-dev.safetensors)\n- FP8: [ltx-2.3-22b-dev-fp8.safetensors](https://huggingface.co/Lightricks/LTX-2.3-fp8/resolve/main/ltx-2.3-22b-dev-fp8.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-fp8.safetensors\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/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)" ], "color": "#222", "bgcolor": "#000" }, { "id": 270, "type": "MarkdownNote", "pos": [ -440, 4070 ], "size": [ 400, 140 ], "flags": {}, "order": 2, "mode": 0, "inputs": [], "outputs": [], "title": "Note: Image Input", "properties": {}, "widgets_values": [ "You need to upload an image even for the **Text to Video** generation." ], "color": "#222", "bgcolor": "#000" }, { "id": 267, "type": "b94257db-cdc1-45d3-8913-ca61e782d9c1", "pos": [ -10, 3530 ], "size": [ 400, 470 ], "flags": {}, "order": 3, "mode": 0, "inputs": [ { "label": "First frame (optional)", "name": "input", "type": "IMAGE,MASK", "link": 609 }, { "label": "disable_i2v", "name": "value_1", "type": "BOOLEAN", "widget": { "name": "value_1" }, "link": null }, { "label": "width", "name": "value_2", "type": "INT", "widget": { "name": "value_2" }, "link": null }, { "label": "height", "name": "value_3", "type": "INT", "widget": { "name": "value_3" }, "link": null }, { "label": "length", "name": "value_4", "type": "INT", "widget": { "name": "value_4" }, "link": null }, { "label": "distilled_lora", "name": "lora_name", "type": "COMBO", "widget": { "name": "lora_name" }, "link": null }, { "label": "latent_upscale_model", "name": "model_name", "type": "COMBO", "widget": { "name": "model_name" }, "link": null } ], "outputs": [ { "name": "VIDEO", "type": "VIDEO", "links": [ 594 ] } ], "properties": { "proxyWidgets": [ [ "-1", "value" ], [ "-1", "value_1" ], [ "-1", "value_2" ], [ "-1", "value_3" ], [ "-1", "value_4" ], [ "237", "noise_seed" ], [ "237", "control_after_generate" ], [ "-1", "ckpt_name" ], [ "-1", "text_encoder" ], [ "-1", "model_name" ], [ "-1", "lora_name" ] ], "enableTabs": false, "tabWidth": 65, "tabXOffset": 10, "hasSecondTab": false, "secondTabText": "Send Back", "secondTabOffset": 80, "secondTabWidth": 65, "cnr_id": "comfy-core", "ver": "0.16.3" }, "widgets_values": [ "Dynamic cinematic close-up of high-tech modular machinery self-assembling in midair, precision robotic parts, magnetic connectors, and glowing circuits clicking together, subtle smoke and light flares, extremely detailed titanium textures. 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