{ "id": "7f5e0c56-93b4-4937-b7f2-efd0f1853e33", "revision": 0, "last_node_id": 116, "last_link_id": 308, "nodes": [ { "id": 75, "type": "SaveVideo", "pos": [ 900, 3210 ], "size": [ 620, 430 ], "flags": { "collapsed": false }, "order": 4, "mode": 0, "inputs": [ { "name": "video", "type": "VIDEO", "link": 252 } ], "outputs": [ { "name": "video", "type": "VIDEO", "links": null } ], "properties": { "Node name for S&R": "SaveVideo", "cnr_id": "comfy-core", "ver": "0.5.1", "enableTabs": false, "tabWidth": 65, "tabXOffset": 10, "hasSecondTab": false, "secondTabText": "Send Back", "secondTabOffset": 80, "secondTabWidth": 65, "ue_properties": { "widget_ue_connectable": {}, "version": "7.5.1", "input_ue_unconnectable": {} }, "ttNbgOverride": { "color": "#232", "bgcolor": "#353", "groupcolor": "#8A8" } }, "widgets_values": [ "video/LTX-2", "mp4", "auto", "auto" ], "widgets_values_named": { "filename_prefix": "video/LTX-2", "format": "mp4", "format.codec": "auto", "codec": "auto" } }, { "id": 96, "type": "MarkdownNote", "pos": [ 390, 3760 ], "size": [ 410, 150 ], "flags": { "collapsed": false }, "order": 0, "mode": 0, "inputs": [], "outputs": [], "title": "About Size", "properties": { "ue_properties": { "widget_ue_connectable": {}, "version": "7.5.1", "input_ue_unconnectable": {} } }, "widgets_values": [ "Width & height settings must be divisible by 64.\nFrame count must be divisible by 8 + 1. \n\n\nRunning with invalid parameters **will not cause errors**. Instead, the flow will silently choose the closest valid parameters. \n\nBy default, we are using 720p resolution. You can try 1920*1088 if you have a powerful GPU." ], "widgets_values_named": { "text": "Width & height settings must be divisible by 64.\nFrame count must be divisible by 8 + 1. \n\n\nRunning with invalid parameters **will not cause errors**. Instead, the flow will silently choose the closest valid parameters. \n\nBy default, we are using 720p resolution. You can try 1920*1088 if you have a powerful GPU." }, "color": "#222", "bgcolor": "#000" }, { "id": 92, "type": "b7c2d337-c38d-4c04-922b-2d638449d13e", "pos": [ 390, 3210 ], "size": [ 410, 470 ], "flags": { "collapsed": false }, "order": 3, "mode": 0, "inputs": [ { "label": "frame_count", "name": "value", "type": "INT", "widget": { "name": "value" }, "link": null }, { "label": "lora_strength", "name": "strength_model", "type": "FLOAT", "widget": { "name": "strength_model" }, "link": null }, { "label": "image", "name": "images", "type": "IMAGE", "link": 254 }, { "label": "distill_lora", "name": "lora_name_1", "type": "COMBO", "widget": { "name": "lora_name_1" }, "link": null }, { "label": "upscale_model", "name": "model_name", "type": "COMBO", "widget": { "name": "model_name" }, "link": null } ], "outputs": [ { "name": "VIDEO", "type": "VIDEO", "links": [ 252 ] } ], "properties": { "cnr_id": "comfy-core", "ver": "0.7.0", "enableTabs": false, "tabWidth": 65, "tabXOffset": 10, "hasSecondTab": false, "secondTabText": "Send Back", "secondTabOffset": 80, "secondTabWidth": 65, "ue_properties": { "widget_ue_connectable": { "value": true }, "version": "7.5.1", "input_ue_unconnectable": {} }, "ttNbgOverride": { "color": "#232", "bgcolor": "#353", "groupcolor": "#8A8" }, "proxyWidgetErrorQuarantine": [ { "originalEntry": [ "-1", "text" ], "reason": "missingSourceNode", "hostValue": "squish it -- a woman's voice exclaims \"I'm gonna squish this adorable little puppy... squish squish squishy\"", "attemptedAtVersion": 1 }, { "originalEntry": [ "-1", "value" ], "reason": "missingSourceNode", "hostValue": 281, "attemptedAtVersion": 1 }, { "originalEntry": [ "-1", "width" ], "reason": "missingSourceNode", "hostValue": 1280, "attemptedAtVersion": 1 }, { "originalEntry": [ "-1", "height" ], "reason": "missingSourceNode", "hostValue": 1280, "attemptedAtVersion": 1 }, { "originalEntry": [ "11", "control_after_generate" ], "reason": "missingSubgraphInput", 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\"I'm gonna squish this adorable little puppy... squish squish squishy\"", "ltx2-squish.safetensors", 1, "gemma_3_12B_it.safetensors", "ltx-2-19b-dev.safetensors", "ltx-2-19b-distilled-lora-384.safetensors", "ltx-2-spatial-upscaler-x2-1.0.safetensors", 4545545 ], "widgets_values_named": { "width": 1280, "height": 1280, "value": 281, "text": "squish it -- a woman's voice exclaims \"I'm gonna squish this adorable little puppy... squish squish squishy\"", "lora_name": "ltx2-squish.safetensors", "strength_model": 1, "text_encoder": "gemma_3_12B_it.safetensors", "ckpt_name": "ltx-2-19b-dev.safetensors", "lora_name_1": "ltx-2-19b-distilled-lora-384.safetensors", "model_name": "ltx-2-spatial-upscaler-x2-1.0.safetensors", "noise_seed": 4545545 } }, { "id": 98, "type": "LoadImage", "pos": [ 60, 3210 ], "size": [ 300, 350 ], "flags": {}, "order": 1, "mode": 0, "inputs": [], "outputs": [ { "name": "IMAGE", "type": "IMAGE", "links": [ 254 ] }, { "name": "MASK", "type": "MASK", "links": null } ], "properties": { "Node name for S&R": "LoadImage", "cnr_id": "comfy-core", "ver": "0.12.3" }, "widgets_values": [ "puppy_with_blue_bandana.png", "image" ], "widgets_values_named": { "image": "puppy_with_blue_bandana.png", "upload": "image" } }, { "id": 95, "type": "MarkdownNote", "pos": [ -470, 3210 ], "size": [ 480, 770 ], "flags": {}, "order": 2, "mode": 0, "inputs": [], "outputs": [], "title": "Model Links", "properties": { "ue_properties": { "widget_ue_connectable": {}, "version": "7.5.1", "input_ue_unconnectable": {} } }, "widgets_values": [ "Guide: [Subgraph](https://docs.comfy.org/interface/features/subgraph)\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\n\n- [Hugging Face:Comfy-Org/ltx-2](https://huggingface.co/Comfy-Org/ltx-2)\n\n**ModelScope mirrors** (alternative repo location)\n\n- [ModelScope:Comfy-Org/ltx-2](https://modelscope.cn/models/Comfy-Org/ltx-2)\n\n**checkpoints**\n\n- [ltx-2-19b-dev.safetensors](https://huggingface.co/Lightricks/LTX-2/resolve/main/ltx-2-19b-dev.safetensors) (40.31 GB)\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) (7.15 GB)\n- [ltx2-squish.safetensors](https://huggingface.co/Comfy-Org/ltx-2/resolve/main/split_files/loras/ltx2-squish.safetensors) (408.3 MB)\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) (949.6 MB)\n\n## Model Storage Location\n\n```\nπŸ“‚ ComfyUI/\nβ”œβ”€β”€ πŸ“‚ models/\nβ”‚ β”œβ”€β”€ πŸ“‚ checkpoints/\nβ”‚ β”‚ └── ltx-2-19b-dev.safetensors\nβ”‚ β”œβ”€β”€ πŸ“‚ loras/\nβ”‚ β”‚ β”œβ”€β”€ ltx-2-19b-distilled-lora-384.safetensors\nβ”‚ β”‚ └── ltx2-squish.safetensors\nβ”‚ └── πŸ“‚ latent_upscale_models/\nβ”‚ └── ltx-2-spatial-upscaler-x2-1.0.safetensors\n```\n" ], "widgets_values_named": { "text": "Guide: [Subgraph](https://docs.comfy.org/interface/features/subgraph)\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\n\n- [Hugging Face:Comfy-Org/ltx-2](https://huggingface.co/Comfy-Org/ltx-2)\n\n**ModelScope mirrors** (alternative repo location)\n\n- [ModelScope:Comfy-Org/ltx-2](https://modelscope.cn/models/Comfy-Org/ltx-2)\n\n**checkpoints**\n\n- [ltx-2-19b-dev.safetensors](https://huggingface.co/Lightricks/LTX-2/resolve/main/ltx-2-19b-dev.safetensors) (40.31 GB)\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) (7.15 GB)\n- [ltx2-squish.safetensors](https://huggingface.co/Comfy-Org/ltx-2/resolve/main/split_files/loras/ltx2-squish.safetensors) (408.3 MB)\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) (949.6 MB)\n\n## Model Storage Location\n\n```\nπŸ“‚ ComfyUI/\nβ”œβ”€β”€ πŸ“‚ models/\nβ”‚ β”œβ”€β”€ πŸ“‚ checkpoints/\nβ”‚ β”‚ └── ltx-2-19b-dev.safetensors\nβ”‚ β”œβ”€β”€ πŸ“‚ loras/\nβ”‚ β”‚ β”œβ”€β”€ ltx-2-19b-distilled-lora-384.safetensors\nβ”‚ β”‚ └── ltx2-squish.safetensors\nβ”‚ └── πŸ“‚ latent_upscale_models/\nβ”‚ └── ltx-2-spatial-upscaler-x2-1.0.safetensors\n```\n" }, "color": "#222", "bgcolor": "#000" } ], "links": [ [ 252, 92, 0, 75, 0, "VIDEO" ], [ 254, 98, 0, 92, 2, "IMAGE" ] ], "groups": [], "definitions": { "subgraphs": [ { "id": "b7c2d337-c38d-4c04-922b-2d638449d13e", "version": 1, "state": { "lastGroupId": 11, "lastNodeId": 116, "lastLinkId": 308, "lastRerouteId": 0 }, "revision": 0, "config": {}, "name": "Text to Video (LTX 2.0)", "inputNode": { "id": -10, "bounding": [ -1330, 3890, 133.224609375, 288 ] }, "outputNode": { "id": -20, "bounding": [ 2530, 3620, 128, 68 ] }, "inputs": [ { "id": "783f39cb-e014-4f49-bc6e-86ded9abaf13", "name": "width", "type": "INT", "linkIds": [ 253 ], "pos": [ -1220.775390625, 3914 ] }, { "id": "bf33a932-80f8-4bf3-b1a1-ac474fc81d62", "name": "height", "type": "INT", "linkIds": [ 308 ], "pos": [ -1220.775390625, 3934 ] }, { "id": "b867fea6-ab82-430e-9e6c-0adf2b21f425", "name": "value", "type": "INT", "linkIds": [ 255 ], "label": "frame_count", "pos": [ -1220.775390625, 3954 ] }, { "id": "66d6c8d3-04cc-46d4-8049-a5a857ddd8bb", "name": "text", "type": "STRING", "linkIds": [ 257 ], "pos": [ -1220.775390625, 3974 ] }, { "id": "c068bdc3-421b-46a7-8280-772343580aad", "name": "lora_name", "type": "COMBO", "linkIds": [ 285, 286 ], "pos": [ -1220.775390625, 3994 ] }, { "id": "998bb62c-a97a-44a0-9ccf-32a1bb29dbb9", "name": "strength_model", "type": "FLOAT", "linkIds": [ 287, 288 ], "label": "lora_strength", "pos": [ -1220.775390625, 4014 ] }, { "id": "0dfb1580-a2db-4027-911c-5f9dafb02374", "name": "images", "type": "IMAGE", "linkIds": [ 291 ], "label": "image", "pos": [ -1220.775390625, 4034 ] }, { "id": "b172658b-3ccd-4767-830d-e398e9501c5f", "name": "text_encoder", "type": "COMBO", "linkIds": [ 299 ], "pos": [ -1220.775390625, 4054 ] }, { "id": "f5b47868-798d-4404-91d1-17af1dd965a4", "name": "ckpt_name", "type": "COMBO", "linkIds": [ 300, 301, 302 ], "pos": [ -1220.775390625, 4074 ] }, { "id": "386b9a9b-acb4-4ebc-9572-7ed8860c4b01", "name": "lora_name_1", "type": "COMBO", "linkIds": [ 303, 306 ], "label": "distill_lora", "pos": [ -1220.775390625, 4094 ] }, { "id": "26b87c82-65e7-4ca3-8d7d-a1ce0063e158", "name": "model_name", "type": "COMBO", "linkIds": [ 305 ], "label": "upscale_model", "pos": [ -1220.775390625, 4114 ] }, { "id": "43306753-ed66-42eb-88d8-470fd2e5722a", "name": "noise_seed", "type": "INT", "linkIds": [ 307 ], "pos": [ -1220.775390625, 4134 ] } ], "outputs": [ { "id": "3645f999-86f2-449b-b07c-a7eefc708658", "name": "VIDEO", "type": "VIDEO", "linkIds": [ 265 ], "localized_name": "VIDEO", "pos": [ 2554, 3644 ] } ], "widgets": [], "nodes": [ { "id": 81, "type": "LTXVCropGuides", "pos": [ 320, 3770 ], "size": [ 240, 70 ], "flags": {}, "order": 27, "mode": 0, "inputs": [ { "localized_name": "positive", "name": "positive", "type": "CONDITIONING", "link": 220 }, { "localized_name": "negative", "name": "negative", "type": "CONDITIONING", "link": 221 }, { "localized_name": "latent", "name": "latent", "type": "LATENT", "link": 218 } ], "outputs": [ { "localized_name": "positive", "name": "positive", "type": "CONDITIONING", "links": [ 224 ] }, { "localized_name": "negative", "name": "negative", "type": "CONDITIONING", "links": [ 225 ] }, { "localized_name": "latent", "name": "latent", "type": "LATENT", "slot_index": 2, "links": [ 237 ] } ], "properties": { "Node name for S&R": "LTXVCropGuides", "cnr_id": "comfy-core", "ver": "0.3.68", "enableTabs": false, "tabWidth": 65, "tabXOffset": 10, "hasSecondTab": false, "secondTabText": "Send Back", "secondTabOffset": 80, "secondTabWidth": 65, "ue_properties": { "widget_ue_connectable": {}, "version": "7.5.1", "input_ue_unconnectable": {} }, "ttNbgOverride": { "color": "#232", "bgcolor": "#353", "groupcolor": "#8A8" } } }, { "id": 90, "type": "ImageScaleBy", "pos": [ -820, 4150 ], "size": [ 270, 90 ], "flags": {}, "order": 32, "mode": 0, "inputs": [ { "localized_name": "image", "name": "image", "type": "IMAGE", "link": 248 } ], "outputs": [ { "localized_name": "IMAGE", "name": "IMAGE", "type": "IMAGE", "links": [ 249 ] } ], "properties": { "Node name for S&R": "ImageScaleBy", "cnr_id": "comfy-core", "ver": "0.5.1", "enableTabs": false, "tabWidth": 65, "tabXOffset": 10, "hasSecondTab": false, "secondTabText": "Send Back", "secondTabOffset": 80, "secondTabWidth": 65, "ue_properties": { "widget_ue_connectable": {}, "version": "7.5.1", "input_ue_unconnectable": {} }, "ttNbgOverride": { "color": "#232", "bgcolor": "#353", "groupcolor": "#8A8" } }, "widgets_values": [ "lanczos", 0.5 ], "widgets_values_named": { "upscale_method": "lanczos", "scale_by": 0.5 } }, { "id": 91, "type": "GetImageSize", "pos": [ -820, 4310 ], "size": [ 270, 70 ], "flags": {}, "order": 33, "mode": 0, "inputs": [ { "localized_name": "image", "name": "image", "type": "IMAGE", "link": 249 } ], "outputs": [ { "localized_name": "width", "name": "width", "type": "INT", "links": [ 250 ] }, { "localized_name": "height", "name": "height", "type": "INT", "links": [ 251 ] }, { "localized_name": "batch_size", "name": "batch_size", "type": "INT", "links": null } ], "properties": { "Node name for S&R": "GetImageSize", "cnr_id": "comfy-core", "ver": "0.7.0", "enableTabs": false, "tabWidth": 65, "tabXOffset": 10, "hasSecondTab": false, "secondTabText": "Send Back", "secondTabOffset": 80, "secondTabWidth": 65, "ue_properties": { "widget_ue_connectable": {}, "version": "7.5.1", "input_ue_unconnectable": {} }, "ttNbgOverride": { "color": "#232", "bgcolor": "#353", "groupcolor": "#8A8" } } }, { "id": 51, "type": "LTXVEmptyLatentAudio", "pos": [ -420, 4380 ], "size": [ 270, 120 ], "flags": {}, "order": 18, "mode": 0, "inputs": [ { "localized_name": "Audio VAE", "name": "audio_vae", "type": "VAE", "link": 156 }, { "localized_name": "frames_number", "name": "frames_number", "type": "INT", "widget": { "name": "frames_number" }, "link": 193 }, { "localized_name": "frame_rate", "name": "frame_rate", "type": 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"type": "CONDITIONING", "link": 46 }, { "localized_name": "frame_rate", "name": "frame_rate", "type": "FLOAT", "widget": { "name": "frame_rate" }, "link": 273 } ], "outputs": [ { "localized_name": "positive", "name": "positive", "type": "CONDITIONING", "links": [ 135, 220 ] }, { "localized_name": "negative", "name": "negative", "type": "CONDITIONING", "links": [ 136, 221 ] } ], "properties": { "Node name for S&R": "LTXVConditioning", "cnr_id": "comfy-core", "ver": "0.3.56", "enableTabs": false, "tabWidth": 65, "tabXOffset": 10, "hasSecondTab": false, "secondTabText": "Send Back", "secondTabOffset": 80, "secondTabWidth": 65, "ue_properties": { "widget_ue_connectable": {}, "version": "7.5.1", "input_ue_unconnectable": {} }, "ttNbgOverride": { "color": "#232", "bgcolor": "#353", "groupcolor": "#8A8" } }, "widgets_values": [ 25 ], "widgets_values_named": { "frame_rate": 25 } }, { "id": 43, "type": "EmptyLTXVLatentVideo", "pos": [ -420, 4180 ], "size": [ 270, 150 ], "flags": {}, "order": 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"none" ], "widgets_values_named": { "fps": 25, "bit_depth": 8, "color_space": "sRGB", "codec": "none" } }, { "id": 103, "type": "MarkdownNote", "pos": [ -440, 4620 ], "size": [ 350, 170 ], "flags": { "collapsed": false }, "order": 3, "mode": 0, "inputs": [], "outputs": [], "title": "Frame Rate Note", "properties": { "ue_properties": { "widget_ue_connectable": {}, "version": "7.5.1", "input_ue_unconnectable": {} } }, "widgets_values": [ "Please make sure the frame rate value is the same in both boxes" ], "widgets_values_named": { "text": "Please make sure the frame rate value is the same in both boxes" }, "color": "#222", "bgcolor": "#000" }, { "id": 107, "type": "MarkdownNote", "pos": [ 240, 2740 ], "size": [ 480, 210 ], "flags": { "collapsed": false }, "order": 4, "mode": 0, "inputs": [], "outputs": [], "title": "LoRA", "properties": { "ue_properties": { "widget_ue_connectable": {}, "version": "7.5.1", "input_ue_unconnectable": {} } }, "widgets_values": [ "# Using LoRAs\n**Ctrl + B to enable**\n\nFor the camera LoRA we recommend setting strength = 1\n\nYou can use LTX [Ready to use camera LoRAs](https://huggingface.co/collections/Lightricks/ltx-2)\n\n\n\n\nUse a second LoRa only when the details are important in the LoRa. \n\n## Training\nWe have made available a full trainer to help you to train your own LoRA. You can [find it here](https://github.com/Lightricks/LTX-2)." ], "widgets_values_named": { "text": "# Using LoRAs\n**Ctrl + B to enable**\n\nFor the camera LoRA we recommend setting strength = 1\n\nYou can use LTX [Ready to use camera LoRAs](https://huggingface.co/collections/Lightricks/ltx-2)\n\n\n\n\nUse a second LoRa only when the details are important in the LoRa. \n\n## Training\nWe have made available a full trainer to help you to train your own LoRA. You can [find it here](https://github.com/Lightricks/LTX-2)." }, "color": "#222", "bgcolor": "#000" }, { "id": 110, "type": "LoraLoaderModelOnly", "pos": [ -420, 3090 ], "size": [ 520, 90 ], "flags": {}, "order": 37, "mode": 0, "inputs": [ { "localized_name": "model", "name": "model", "type": "MODEL", "link": 296 }, { "localized_name": "lora_name", "name": "lora_name", "type": "COMBO", "widget": { "name": "lora_name" }, "link": 285 }, { "localized_name": "strength_model", "name": "strength_model", "type": "FLOAT", "widget": { "name": "strength_model" }, "link": 287 } ], "outputs": [ { "localized_name": "MODEL", "name": "MODEL", "type": "MODEL", "links": [ 284 ] } ], "properties": { "Node name for S&R": "LoraLoaderModelOnly", "cnr_id": "comfy-core", "ver": "0.3.68", "models": [ { "name": "ltx2-squish.safetensors", "url": "https://huggingface.co/Comfy-Org/ltx-2/resolve/main/split_files/loras/ltx2-squish.safetensors", "directory": "loras" } ], "ue_properties": { "widget_ue_connectable": 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