{ "id": "07824bbb-6672-4bb0-ac36-4313a519e35b", "revision": 0, "last_node_id": 275, "last_link_id": 624, "nodes": [ { "id": 103, "type": "MarkdownNote", "pos": [ -1218.0553799574232, 3532.77781903776 ], "size": [ 734.4661458333334, 1067.265625 ], "flags": {}, "order": 0, "mode": 0, "inputs": [], "outputs": [], "title": "Model Links", "properties": { "ue_properties": { "widget_ue_connectable": {}, "version": "7.5.1", "input_ue_unconnectable": {} } }, "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**checkpoints**\n\n- [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- [gemma-3-12b-it-abliterated_lora_rank64_bf16.safetensors](https://huggingface.co/Comfy-Org/ltx-2/resolve/main/split_files/loras/gemma-3-12b-it-abliterated_lora_rank64_bf16.safetensors)\n\n**latent_upscale_models**\n\n- [ltx-2.3-spatial-upscaler-x2-1.1.safetensors](https://huggingface.co/Lightricks/LTX-2.3/resolve/main/ltx-2.3-spatial-upscaler-x2-1.1.safetensors)\n\n\n## Model Storage Location\n\n```\nπŸ“‚ ComfyUI/\nβ”œβ”€β”€ πŸ“‚ models/\nβ”‚ β”œβ”€β”€ πŸ“‚ checkpoints/\nβ”‚ β”‚ └── ltx-2.3-22b-dev-fp8.safetensors\nβ”‚ β”œβ”€β”€ πŸ“‚ loras/\nβ”‚ β”‚ β”œβ”€β”€ ltx-2.3-22b-distilled-lora-384.safetensors\nβ”‚ β”‚ └── gemma-3-12b-it-abliterated_lora_rank64_bf16.safetensors\nβ”‚ └── πŸ“‚ latent_upscale_models/\nβ”‚ └── ltx-2.3-spatial-upscaler-x2-1.1.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 updates follow stable releases, so some nightly-supported models may not be available yet.\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" ], "color": "#222", "bgcolor": "#000" }, { "id": 269, "type": "LoadImage", "pos": [ -439.72214143203246, 3531.1114103463533 ], "size": [ 400, 469.9869791666667 ], "flags": {}, "order": 1, "mode": 0, "inputs": [], "outputs": [ { "name": "IMAGE", "type": "IMAGE", "links": [ 609 ] }, { "name": "MASK", "type": "MASK", "links": null } ], "properties": { "cnr_id": "comfy-core", "ver": "0.16.3", "Node name for S&R": "LoadImage", "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": {} } }, "widgets_values": [ "egyptian_queen.png", "image" ] }, { "id": 75, "type": "SaveVideo", "pos": [ 430.277828660741, 3531.1114103463533 ], "size": [ 659.9869791666667, 469.9869791666667 ], "flags": { "collapsed": false }, "order": 3, "mode": 0, "inputs": [ { "name": "video", "type": "VIDEO", "link": 594 } ], "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, "ue_properties": { "widget_ue_connectable": {}, "version": "7.5.1", "input_ue_unconnectable": {} } }, "widgets_values": [ "video/LTX_2.3_i2v", "auto", "auto" ] }, { "id": 267, "type": "b94257db-cdc1-45d3-8913-ca61e782d9c1", "pos": [ -9.722157911524695, 3532.77781903776 ], "size": [ 400, 470 ], "flags": {}, "order": 2, "mode": 0, "inputs": [ { "label": "first_frame", "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 }, { "label": "fps", "name": "value_5", "type": "INT", "widget": { "name": "value_5" }, "link": null } ], "outputs": [ { "name": "VIDEO", "type": "VIDEO", "links": [ 594 ] } ], "properties": { "proxyWidgets": [ [ "266", "value" ], [ "201", "value" ], [ "257", "value" ], [ "258", "value" ], [ "225", "value" ], [ "236", "ckpt_name" ], [ "232", "lora_name" ], [ "243", "text_encoder" ], [ "233", "model_name" ], [ "272", "lora_name" ], [ "260", "value" ], [ "237", "noise_seed" ], [ "237", "control_after_generate" ] ], "cnr_id": "comfy-core", "ver": "0.16.3", "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": {} } }, "widgets_values": [] } ], "links": [ [ 594, 267, 0, 75, 0, "VIDEO" ], [ 609, 269, 0, 267, 0, "IMAGE" ] ], "groups": [], "definitions": { "subgraphs": [ { "id": "b94257db-cdc1-45d3-8913-ca61e782d9c1", "version": 1, "state": { "lastGroupId": 25, "lastNodeId": 275, "lastLinkId": 624, "lastRerouteId": 0 }, "revision": 0, "config": {}, "name": "Video Generation (LTX-2.3)", "inputNode": { "id": -10, "bounding": [ 730, 4110, 162.162109375, 280 ] }, "outputNode": { "id": -20, "bounding": [ 6095.8984375, 4160, 120, 60 ] }, "inputs": [ { "id": "7afd6ea8-c738-4fd9-97b8-66fa905cd381", "name": "input", "type": "IMAGE,MASK", "linkIds": [ 535, 623 ], "localized_name": "input", "label": "first_frame", "pos": [ 872.162109375, 4130 ] }, { "id": "9494c550-4172-49c6-930e-5b508f775e77", "name": "value", "type": "STRING", "linkIds": [ 595 ], "pos": [ 872.162109375, 4150 ] }, { "id": "48e23fa8-97bd-4edc-ae4a-923a8107669a", "name": "value_1", "type": "BOOLEAN", "linkIds": [ 596 ], "label": "disable_i2v", "pos": [ 872.162109375, 4170 ] }, { "id": "58dbb3f6-f924-4548-96ef-e0e34610bd4e", "name": "value_2", "type": "INT", "linkIds": [ 597 ], "label": "width", "pos": [ 872.162109375, 4190 ] }, { "id": "6086d5b8-2586-448c-a641-dd14d76dd102", "name": "value_3", "type": "INT", "linkIds": [ 598 ], "label": "height", "pos": [ 872.162109375, 4210 ] }, { "id": "feb8c2eb-ae48-4fa8-bc24-929552d656c3", "name": "value_4", "type": "INT", 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], "outputs": [ { "id": "954ef307-c897-4eea-8b5c-5c6ce15a5357", "name": "VIDEO", "type": "VIDEO", "linkIds": [ 536 ], "localized_name": "VIDEO", "pos": [ 6115.8984375, 4180 ] } ], "widgets": [], "nodes": [ { "id": 216, "type": "RandomNoise", "pos": [ 4744.074769205775, 3644.3980284122904 ], "size": [ 270, 86.66666666666667 ], "flags": {}, "order": 0, "mode": 0, "inputs": [], "outputs": [ { "localized_name": "NOISE", "name": "NOISE", "type": "NOISE", "links": [ 490 ] } ], "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, "ue_properties": { "widget_ue_connectable": {}, "version": "7.5.1", "input_ue_unconnectable": {} } }, "widgets_values": [ 42, "fixed" ] }, { "id": 237, "type": "RandomNoise", "pos": [ 3114.074617415983, 3634.39743468557 ], "size": [ 270, 86.66666666666667 ], "flags": {}, 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