{ "id": "07824bbb-6672-4bb0-ac36-4313a519e35b", "revision": 0, "last_node_id": 167, "last_link_id": 417, "nodes": [ { "id": 104, "type": "MarkdownNote", "pos": [ 499.99988219963694, 4389.999819657441 ], "size": [ 380, 166.9921875 ], "flags": { "collapsed": false }, "order": 0, "mode": 0, "inputs": [], "outputs": [], "title": "About Size", "properties": {}, "widgets_values": [ "Width & height settings must be divisible by 32 + 1. \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": 75, "type": "SaveVideo", "pos": [ 939.9999404718851, 3829.9998417607067 ], "size": [ 1373.9973958333335, 808.4895833333334 ], "flags": { "collapsed": false }, "order": 4, "mode": 0, "inputs": [ { "name": "video", "type": "VIDEO", "link": 404 } ], "outputs": [], "properties": { "cnr_id": "comfy-core", "ver": "0.5.1", "Node name for S&R": "SaveVideo", "enableTabs": false, "tabWidth": 65, "tabXOffset": 10, "hasSecondTab": false, "secondTabText": "Send Back", "secondTabOffset": 80, "secondTabWidth": 65 }, "widgets_values": [ "video/LTX_2.3_i2v", "auto", "auto" ] }, { "id": 98, "type": "LoadImage", "pos": [ 89.9999362019357, 3829.9998417607067 ], "size": [ 360, 354.77864583333337 ], "flags": {}, "order": 1, "mode": 0, "inputs": [], "outputs": [ { "name": "IMAGE", "type": "IMAGE", "links": [ 403 ] }, { "name": "MASK", "type": "MASK", "links": null } ], "properties": { "cnr_id": "comfy-core", "ver": "0.5.1", "Node name for S&R": "LoadImage", "enableTabs": false, "tabWidth": 65, "tabXOffset": 10, "hasSecondTab": false, "secondTabText": "Send Back", "secondTabOffset": 80, "secondTabWidth": 65 }, "widgets_values": [ "egyptian_queen.png", "image" ] }, { "id": 167, "type": "c7a5439d-e45e-44bd-a56e-22b6dba89a76", "pos": [ 489.99997714321336, 3829.9998417607067 ], "size": [ 410, 470 ], "flags": {}, "order": 3, "mode": 0, "inputs": [ { "label": "start_image", "name": "input", "type": "IMAGE,MASK", "link": 403 }, { "label": "length", "name": "value", "type": "INT", "widget": { "name": "value" }, "link": null }, { "label": "upscale_mode", "name": "model_name", "type": "COMBO", "widget": { "name": "model_name" }, "link": null }, { "label": "distilled_lora", "name": "lora_name", "type": "COMBO", "widget": { "name": "lora_name" }, "link": null } ], "outputs": [ { "name": "VIDEO", "type": "VIDEO", "links": [ 404 ] } ], "properties": { "proxyWidgets": [ [ "-1", "prompt" ], [ "-1", "resize_type.width" ], [ "-1", "resize_type.height" ], [ "-1", "value" ], [ "165", "noise_seed" ], [ "165", "control_after_generate" ], [ "-1", "ckpt_name" ], [ "-1", "text_encoder" ], [ "-1", "model_name" ], [ "-1", "lora_name" ] ], "cnr_id": "comfy-core", "ver": "0.15.1", "enableTabs": false, "tabWidth": 65, "tabXOffset": 10, "hasSecondTab": false, "secondTabText": "Send Back", "secondTabOffset": 80, "secondTabWidth": 65 }, "widgets_values": [ "Egyptian royal in blue-and-gold headdress and high collar, white dress with golden embroidery and armbands, desert, robot soldiers in formation left and right. She walks steadily forward, head held level and gaze fixed aheadβ€”no dipping or lowering of the head. The camera performs a single, smooth push-in only: starting in a wider shot of her, the robots, and the desert, it moves steadily forward until she is in a medium or medium-close frame, then holds. She stops, posture and head still upright, and says: β€œThe old gods are silent. I am not.” Robot soldiers shift or march in place; sand and fabric move with the wind. No pull-back; the only camera move is the continuous push-in.", 1280, 720, 121, null, null, "ltx-2.3-22b-dev.safetensors", "gemma_3_12B_it_fp4_mixed.safetensors", "ltx-2.3-spatial-upscaler-x2-1.0.safetensors", "ltx-2.3-22b-distilled-lora-384.safetensors" ] }, { "id": 103, "type": "MarkdownNote", "pos": [ -480.0000460275406, 3829.9998417607067 ], "size": [ 480, 1099.7786458333335 ], "flags": {}, "order": 2, "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- [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```\nπŸ“‚ ComfyUI/\nβ”œβ”€β”€ πŸ“‚ models/\nβ”‚ β”œβ”€β”€ πŸ“‚ latent_upscale_models/\nβ”‚ β”‚ └── ltx-2.3-spatial-upscaler-x2-1.0.safetensors\nβ”‚ β”œβ”€β”€ πŸ“‚ checkpoints/\nβ”‚ β”‚ └── ltx-2.3-22b-dev.safetensors\nβ”‚ β”œβ”€β”€ πŸ“‚ loras/\nβ”‚ β”‚ └── ltx-2.3-22b-distilled-lora-384.safetensors\nβ”‚ └── πŸ“‚ text_encoders/\nβ”‚ β”œβ”€β”€ gemma_3_12B_it_fp4_mixed.safetensors\nβ”‚ └── 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)" ], "color": "#222", "bgcolor": "#000" } ], "links": [ [ 403, 98, 0, 167, 0, "IMAGE" ], [ 404, 167, 0, 75, 0, "VIDEO" ] ], "groups": [], "definitions": { "subgraphs": [ { "id": "c7a5439d-e45e-44bd-a56e-22b6dba89a76", "version": 1, "state": { "lastGroupId": 11, "lastNodeId": 167, "lastLinkId": 417, "lastRerouteId": 0 }, "revision": 0, "config": {}, "name": "Image to Video (LTX-2.3)", "inputNode": { "id": -10, "bounding": [ 220, 5890, 143.55859375, 220 ] }, "outputNode": { "id": -20, "bounding": [ 4920, 5765, 120, 60 ] }, "inputs": [ { "id": "943fd2af-2b69-4127-92be-d1e5aa5202e4", "name": "input", "type": "IMAGE,MASK", "linkIds": [ 263 ], "localized_name": "input", "label": "start_image", "pos": [ 343.55859375, 5910 ] }, { "id": "85dc8393-e4fa-4e67-b5b3-761c98f2a68f", "name": "prompt", "type": "STRING", "linkIds": [ 405 ], "pos": [ 343.55859375, 5930 ] }, { "id": "3a672a27-eab1-4c7e-a5b4-0e637a57254c", "name": "resize_type.width", "type": "INT", "linkIds": [ 406 ], "pos": [ 343.55859375, 5950 ] }, { "id": "1a3465b2-3e26-41c5-be9e-2331981c9fa7", "name": "resize_type.height", "type": "INT", "linkIds": [ 407 ], "pos": [ 343.55859375, 5970 ] }, { "id": "692d7561-d29c-4381-ba30-9cdc26372ba3", "name": "value", "type": "INT", "linkIds": [ 408 ], "label": "length", "pos": [ 343.55859375, 5990 ] }, { "id": "5512d5b9-2fde-49a4-853f-2f85fd0f5c93", "name": "ckpt_name", "type": "COMBO", "linkIds": [ 409, 410, 411 ], "pos": [ 343.55859375, 6010 ] }, { "id": "7b48626e-4b47-4543-afb9-923e97c0107d", "name": "text_encoder", "type": "COMBO", "linkIds": [ 414 ], "pos": [ 343.55859375, 6030 ] }, { "id": "30f294a9-d385-4d82-aa79-3e26e10d67bf", "name": "model_name", "type": "COMBO", "linkIds": [ 415 ], "label": "upscale_mode", "pos": [ 343.55859375, 6050 ] }, { "id": "2f7e8074-cd40-43e2-922c-9b49911557ac", "name": "lora_name", "type": "COMBO", "linkIds": [ 416 ], "label": "distilled_lora", "pos": [ 343.55859375, 6070 ] } ], "outputs": [ { "id": "ab2cd544-a313-4629-8a2c-dfc72fe246ef", "name": "VIDEO", "type": "VIDEO", "linkIds": [ 376 ], "localized_name": "VIDEO", "pos": [ 4940, 5785 ] } ], "widgets": [], "nodes": [ { "id": 126, "type": "KSamplerSelect", "pos": [ 2290, 5700 ], "size": [ 270, 68.88020833333334 ], "flags": {}, "order": 0, "mode": 0, "inputs": [], "outputs": [ { "localized_name": "SAMPLER", "name": "SAMPLER", "type": "SAMPLER", "links": [ 345 ] } ], "properties": { "cnr_id": "comfy-core", "ver": "0.3.56", "Node name for S&R": "KSamplerSelect", "enableTabs": false, "tabWidth": 65, "tabXOffset": 10, "hasSecondTab": false, "secondTabText": "Send Back", "secondTabOffset": 80, "secondTabWidth": 65 }, "widgets_values": [ "euler" ] }, { "id": 127, "type": "LTXVScheduler", "pos": [ 2290, 5830 ], "size": [ 270, 170 ], "flags": {}, "order": 6, "mode": 0, "inputs": [ { "localized_name": "latent", "name": "latent", "shape": 7, "type": "LATENT", "link": 342 } ], "outputs": [ { "localized_name": "SIGMAS", "name": "SIGMAS", "type": "SIGMAS", "links": [ 346 ] } ], "properties": { "cnr_id": "comfy-core", "ver": "0.3.56", "Node name for S&R": "LTXVScheduler", "enableTabs": false, "tabWidth": 65, "tabXOffset": 10, "hasSecondTab": false, "secondTabText": "Send Back", "secondTabOffset": 80, "secondTabWidth": 65 }, "widgets_values": [ 20, 2.05, 0.95, true, 0.1 ] }, { "id": 128, "type": "KSamplerSelect", "pos": [ 3380, 5850 ], "size": [ 270, 58 ], "flags": {}, "order": 1, "mode": 0, "inputs": [], "outputs": [ { "localized_name": "SAMPLER", "name": "SAMPLER", "type": "SAMPLER", "links": [ 355 ] } ], "properties": { "cnr_id": "comfy-core", "ver": "0.3.75", "Node name for S&R": "KSamplerSelect", "enableTabs": false, "tabWidth": 65, "tabXOffset": 10, "hasSecondTab": false, "secondTabText": "Send Back", "secondTabOffset": 80, "secondTabWidth": 65 }, "widgets_values": [ "gradient_estimation" ] }, { "id": 129, "type": "ManualSigmas", "pos": [ 3380, 5720 ], "size": [ 270, 58 ], "flags": {}, "order": 2, "mode": 0, "inputs": [], "outputs": [ { "localized_name": "SIGMAS", "name": "SIGMAS", "type": "SIGMAS", "links": [ 356 ] } ], "properties": { "cnr_id": "comfy-core", "ver": "0.5.1", "Node name for S&R": "ManualSigmas", "enableTabs": false, "tabWidth": 65, "tabXOffset": 10, "hasSecondTab": false, "secondTabText": "Send Back", "secondTabOffset": 80, "secondTabWidth": 65 }, "widgets_values": [ "0.909375, 0.725, 0.421875, 0.0" ] }, { "id": 130, "type": "LTXVCropGuides", "pos": [ 2590, 5840 ], "size": [ 240, 66 ], "flags": {}, "order": 7, "mode": 0, "inputs": [ { "localized_name": "positive", "name": "positive", "type": "CONDITIONING", "link": 349 }, { "localized_name": "negative", "name": "negative", "type": "CONDITIONING", "link": 350 }, { "localized_name": "latent", "name": "latent", "type": "LATENT", "link": 351 } ], "outputs": [ { "localized_name": "positive", "name": "positive", "type": "CONDITIONING", "links": [ 358 ] }, { "localized_name": "negative", "name": "negative", "type": "CONDITIONING", "links": [ 359 ] }, { "localized_name": "latent", "name": "latent", "type": "LATENT", "slot_index": 2, "links": [ 363 ] } ], "properties": { "cnr_id": "comfy-core", "ver": "0.3.68", "Node name for S&R": "LTXVCropGuides", "enableTabs": false, "tabWidth": 65, "tabXOffset": 10, "hasSecondTab": false, "secondTabText": "Send Back", "secondTabOffset": 80, "secondTabWidth": 65 }, "widgets_values": [] }, { "id": 131, "type": "CFGGuider", "pos": [ 3380, 5570 ], "size": [ 270, 98 ], "flags": {}, "order": 8, "mode": 0, "inputs": [ { "localized_name": "model", "name": "model", "type": "MODEL", 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}, { "localized_name": "denoised_output", "name": "denoised_output", "type": "LATENT", "links": [] } ], "properties": { "cnr_id": "comfy-core", "ver": "0.3.60", "Node name for S&R": "SamplerCustomAdvanced", "enableTabs": false, "tabWidth": 65, "tabXOffset": 10, "hasSecondTab": false, "secondTabText": "Send Back", "secondTabOffset": 80, "secondTabWidth": 65 }, "widgets_values": [] }, { "id": 135, "type": "RandomNoise", "pos": [ 3380, 5440 ], "size": [ 270, 82 ], "flags": {}, "order": 3, "mode": 0, "inputs": [], "outputs": [ { "localized_name": "NOISE", "name": "NOISE", "type": "NOISE", "links": [ 353 ] } ], "properties": { "cnr_id": "comfy-core", "ver": "0.3.75", "Node name for S&R": "RandomNoise", "enableTabs": false, "tabWidth": 65, "tabXOffset": 10, "hasSecondTab": false, "secondTabText": "Send Back", "secondTabOffset": 80, "secondTabWidth": 65 }, "widgets_values": [ 0, "fixed" ] }, { "id": 137, "type": "LTXVSeparateAVLatent", "pos": [ 2600, 5610 ], "size": [ 240, 46 ], "flags": {}, 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