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"size": [ 570, 1155.2734375 ], "type": "MarkdownNote", "widgets_values": [ "- Huggingface: [Lightricks/LTX-2](https://huggingface.co/Lightricks/LTX-2)\n- Github: [LTX-2](https://github.com/Lightricks/LTX-2)\n\n## LTX-2 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 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**checkpoints**\n\n- [ltx-2-19b-dev.safetensors](https://huggingface.co/Lightricks/LTX-2/resolve/main/ltx-2-19b-dev.safetensors)\n- [ltx-2-19b-dev-fp8.safetensors](https://huggingface.co/Lightricks/LTX-2/resolve/main/ltx-2-19b-dev-fp8.safetensors)\n- [ltx-2-19b-distilled.safetensors](https://huggingface.co/Lightricks/LTX-2/resolve/main/ltx-2-19b-distilled.safetensors)\n- [ltx-2-19b-distilled-fp8.safetensors](https://huggingface.co/Lightricks/LTX-2/resolve/main/ltx-2-19b-distilled-fp8.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**loras**\n\n- [ltx-2-19b-distilled-lora-384.safetensors](https://huggingface.co/Lightricks/LTX-2/resolve/main/ltx-2-19b-distilled-lora-384.safetensors)\n- [ltx-2-19b-ic-lora-canny-control.safetensors](https://huggingface.co/Lightricks/LTX-2-19b-IC-LoRA-Canny-Control/resolve/main/ltx-2-19b-ic-lora-canny-control.safetensors)\n\n**latent_upscale_models**\n\n- [ltx-2-spatial-upscaler-x2-1.0.safetensors](https://huggingface.co/Lightricks/LTX-2/resolve/main/ltx-2-spatial-upscaler-x2-1.0.safetensors)\n\n\nModel Storage Location\n\n```\nπŸ“‚ ComfyUI/\nβ”œβ”€β”€ πŸ“‚ models/\nβ”‚ β”œβ”€β”€ πŸ“‚ checkpoints/\nβ”‚ β”‚ β”œβ”€β”€ ltx-2-19b-dev.safetensors\nβ”‚ β”‚ β”œβ”€β”€ ltx-2-19b-dev-fp8.safetensors\nβ”‚ β”‚ β”œβ”€β”€ ltx-2-19b-distilled.safetensors\nβ”‚ β”‚ └── ltx-2-19b-distilled-fp8.safetensors\nβ”‚ β”œβ”€β”€ πŸ“‚ text_encoders/\nβ”‚ β”‚ └── gemma_3_12B_it_fp4_mixed.safetensors\nβ”‚ β”œβ”€β”€ πŸ“‚ loras/\nβ”‚ β”‚ β”œβ”€β”€ ltx-2-19b-distilled-lora-384.safetensors\nβ”‚ β”‚ └── ltx-2-19b-ic-lora-canny-control.safetensors\nβ”‚ └── πŸ“‚ latent_upscale_models/\nβ”‚ └── ltx-2-spatial-upscaler-x2-1.0.safetensors\n```\n\n## Report issue\n\nNote: please update ComfyUI first ([guide](https://docs.comfy.org/installation/update_comfyui)) and prepare required models. Desktop/Cloud will be updated after the stable release; nightly-supported models may not be included yet, please wait for the next stable release.\n\n- Cannot run / runtime errors: [ComfyUI/issues](https://github.com/Comfy-Org/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)\n" ] }, { "flags": { "collapsed": false }, "id": 167, "inputs": [], "mode": 0, "order": 6, "outputs": [ { "links": [ 385, 386 ], "name": "INT", "type": "INT" } ], "pos": [ -979.6668570531647, 4629.3335539287 ], "properties": { "Node name for S&R": "PrimitiveInt", "cnr_id": "comfy-core", "enableTabs": false, "hasSecondTab": false, "secondTabOffset": 80, "secondTabText": "Send Back", "secondTabWidth": 65, "tabWidth": 65, "tabXOffset": 10, "ver": "0.7.0" }, "size": [ 270, 90 ], "title": "Height", "type": "PrimitiveInt", "widgets_values": [ 720, "fixed" ] }, { "bgcolor": "#000", "color": "#222", "flags": {}, "id": 176, "inputs": [], "mode": 0, "order": 7, "outputs": [], "pos": [ 470, 3800 ], "properties": {}, "size": [ 210, 100 ], "title": "Note", "type": "MarkdownNote", "widgets_values": [ "The node below is a subgraph. Learn more at [Subgraph docs](https://docs.comfy.org/interface/features/subgraph)" ] }, { "flags": { "collapsed": false }, "id": 161, "inputs": [ { "link": 375, "name": "video", "type": "VIDEO" } ], "mode": 4, "order": 19, "outputs": [], "pos": [ 740.3332590069676, 4661.333332190599 ], "properties": { "Node name for S&R": "SaveVideo", "cnr_id": "comfy-core", "enableTabs": false, "hasSecondTab": false, "secondTabOffset": 80, "secondTabText": "Send Back", "secondTabWidth": 65, "tabWidth": 65, "tabXOffset": 10, "ver": "0.5.1" }, "size": [ 970, 631.5 ], "type": "SaveVideo", "widgets_values": [ "video/LTX_2.0", "auto", "auto" ] }, { "flags": {}, "id": 169, "inputs": [], "mode": 0, "order": 8, "outputs": [ { "links": [ 388, 389 ], "name": "BOOLEAN", "type": "BOOLEAN" } ], "pos": [ -979.6668570531647, 4791.3335074556035 ], "properties": { "Node name for S&R": "PrimitiveBoolean", "cnr_id": "comfy-core", "enableTabs": false, "hasSecondTab": false, "secondTabOffset": 80, "secondTabText": "Send Back", "secondTabWidth": 65, "tabWidth": 65, "tabXOffset": 10, "ver": "0.7.0" }, "size": [ 270, 87.99479166666667 ], "title": "Ignore First Frame？", "type": "PrimitiveBoolean", "widgets_values": [ false ] }, { "flags": { "collapsed": false }, "id": 143, "inputs": [ { "label": "control_images", "link": 373, "name": "image", "type": "IMAGE" }, { "label": "control_lora", "link": null, "name": "lora_name", "type": "COMBO", "widget": { "name": "lora_name" } }, { "label": "image_strength", "link": null, "name": "strength", "type": "FLOAT", "widget": { "name": "strength" } }, { "label": "enable_first_frame", "link": 388, "name": "bypass", "type": "BOOLEAN", "widget": { "name": "bypass" } }, { "label": "first_frame", "link": 381, "name": "image_1", "type": "IMAGE" } ], "mode": 0, "order": 16, "outputs": [ { "links": [ 390 ], "name": "VIDEO", "type": "VIDEO" } ], "pos": [ 290.3330172064798, 3961.3333074282746 ], "properties": { "cnr_id": "comfy-core", "enableTabs": false, "hasSecondTab": false, "proxyWidgets": [ [ "-1", "text" ], [ "-1", "strength" ], [ "-1", "bypass" ], [ "143", "noise_seed" ], [ "126", "control_after_generate" ], [ "-1", "lora_name" ], [ "-1", "ckpt_name" ], [ "-1", "text_encoder" ], [ "-1", "lora_name_1" ], [ "-1", "model_name" ] ], "secondTabOffset": 80, "secondTabText": "Send Back", "secondTabWidth": 65, "tabWidth": 65, "tabXOffset": 10, "ver": "0.7.0" }, "size": [ 400, 500 ], "type": "68857357-cbc2-4c3a-a786-c3a58d43f9b1", "widgets_values": [ "A wide shot reveals a whimsical outdoor scene with a decorative tree-like structure crafted from brown branches. 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