{ "id": "7f5e0c56-93b4-4937-b7f2-efd0f1853e33", "revision": 0, "last_node_id": 97, "last_link_id": 253, "nodes": [ { "id": 75, "type": "SaveVideo", "pos": [ 760, 3840 ], "size": [ 890, 587.5 ], "flags": { "collapsed": false }, "order": 4, "mode": 0, "inputs": [ { "name": "video", "type": "VIDEO", "link": 252 } ], "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", "mp4", "auto" ] }, { "id": 96, "type": "MarkdownNote", "pos": [ 320, 4360 ], "size": [ 400, 150 ], "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": 95, "type": "MarkdownNote", "pos": [ -189.333378632047, 3832.666401801292 ], "size": [ 480, 731.796875 ], "flags": {}, "order": 1, "mode": 0, "inputs": [], "outputs": [], "title": "Model Links", "properties": {}, "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- [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\n**text_encoders**\n\n- [gemma_3_12B_it.safetensors](https://huggingface.co/Comfy-Org/ltx-2/resolve/main/split_files/text_encoders/gemma_3_12B_it.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-lora-camera-control-dolly-left.safetensors](https://huggingface.co/Lightricks/LTX-2-19b-LoRA-Camera-Control-Dolly-Left/resolve/main/ltx-2-19b-lora-camera-control-dolly-left.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```\nšŸ“‚ ComfyUI/\nā”œā”€ā”€ šŸ“‚ models/\nā”‚ ā”œā”€ā”€ šŸ“‚ checkpoints/\nā”‚ ā”‚ ā”œā”€ā”€ ltx-2-19b-dev.safetensors\nā”‚ ā”‚ ā””ā”€ā”€ ltx-2-19b-dev-fp8.safetensors\nā”‚ ā”œā”€ā”€ šŸ“‚ text_encoders/\nā”‚ ā”‚ ā””ā”€ā”€ gemma_3_12B_it.safetensors\nā”‚ ā”œā”€ā”€ šŸ“‚ loras/\nā”‚ ā”‚ ā”œā”€ā”€ ltx-2-19b-distilled-lora-384.safetensors\nā”‚ ā”‚ ā””ā”€ā”€ ltx-2-19b-lora-camera-control-dolly-left.safetensors\nā”‚ ā””ā”€ā”€ šŸ“‚ latent_upscale_models/\nā”‚ ā””ā”€ā”€ ltx-2-spatial-upscaler-x2-1.0.safetensors\n```\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 ship stable builds; 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/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": 94, "type": "MarkdownNote", "pos": [ 500, 3690 ], "size": [ 210, 88 ], "flags": {}, "order": 2, "mode": 0, "inputs": [], "outputs": [], "title": "Note", "properties": {}, "widgets_values": [ "Click on the top-right corner of the node to open the [subgraph](https://docs.comfy.org/interface/features/subgraph) \nšŸ‘‡" ], "color": "#222", "bgcolor": "#000" }, { "id": 92, "type": "b7c2d337-c38d-4c04-922b-2d638449d13e", "pos": [ 320, 3840 ], "size": [ 400, 470 ], "flags": {}, "order": 3, "mode": 0, "inputs": [ { "label": "frame_count", "name": "value", "type": "INT", "widget": { "name": "value" }, "link": null } ], "outputs": [ { "name": "VIDEO", "type": "VIDEO", "links": [ 252 ] } ], "properties": { "proxyWidgets": [ [ "-1", "text" ], [ "-1", "value" ], [ "-1", "width" ], [ "-1", "height" ], [ "-1", "noise_seed" ], [ "11", "control_after_generate" ], [ "-1", "ckpt_name" ] ], "enableTabs": false, "tabWidth": 65, "tabXOffset": 10, "hasSecondTab": false, "secondTabText": "Send Back", "secondTabOffset": 80, "secondTabWidth": 65, "cnr_id": "comfy-core", "ver": "0.7.0" }, "widgets_values": [ "A close-up of a cheerful girl puppet with curly auburn yarn hair and wide button eyes, holding a small red umbrella above her head. Rain falls gently around her. She looks upward and begins to sing with joy in English: \"It's raining, it's raining, I love it when its raining.\" Her fabric mouth opening and closing to a melodic tune. Her hands grip the umbrella handle as she sways slightly from side to side in rhythm. The camera holds steady as the rain sparkles against the soft lighting. Her eyes blink occasionally as she sings.", 121, 1280, 720, 10, null, "ltx-2-19b-dev-fp8.safetensors" ] } ], "links": [ [ 252, 92, 0, 75, 0, "VIDEO" ] ], "groups": [], "definitions": { "subgraphs": [ { "id": "b7c2d337-c38d-4c04-922b-2d638449d13e", "version": 1, "state": { "lastGroupId": 11, "lastNodeId": 107, "lastLinkId": 281, "lastRerouteId": 0 }, "revision": 0, "config": {}, "name": "Text to Video (LTX 2.0)", "inputNode": { "id": -10, "bounding": [ -1330, 3890, 120, 160 ] }, "outputNode": { "id": -20, "bounding": [ 2530, 3620, 120, 60 ] }, "inputs": [ { "id": "783f39cb-e014-4f49-bc6e-86ded9abaf13", "name": "width", "type": "INT", "linkIds": [ 253 ], "pos": [ -1230, 3910 ] }, { "id": "bf33a932-80f8-4bf3-b1a1-ac474fc81d62", "name": "height", "type": "INT", "linkIds": [ 254 ], "pos": [ -1230, 3930 ] }, { "id": "b867fea6-ab82-430e-9e6c-0adf2b21f425", "name": "value", "type": "INT", "linkIds": [ 255 ], "label": "frame_count", "pos": [ -1230, 3950 ] }, { "id": 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"tabXOffset": 10, "hasSecondTab": false, "secondTabText": "Send Back", "secondTabOffset": 80, "secondTabWidth": 65, "cnr_id": "comfy-core", "ver": "0.3.56", "Node name for S&R": "LTXVScheduler" }, "widgets_values": [ 20, 2.05, 0.95, true, 0.1 ] }, { "id": 60, "type": "LTXAVTextEncoderLoader", "pos": [ -900, 3650 ], "size": [ 420, 82 ], "flags": {}, "order": 21, "mode": 0, "inputs": [ { "localized_name": "ckpt_name", "name": "ckpt_name", "type": "COMBO", "widget": { "name": "ckpt_name" }, "link": 281 } ], "outputs": [ { "localized_name": "CLIP", "name": "CLIP", "type": "CLIP", "links": [ 185, 186 ] } ], "properties": { "enableTabs": false, "tabWidth": 65, "tabXOffset": 10, "hasSecondTab": false, "secondTabText": "Send Back", "secondTabOffset": 80, "secondTabWidth": 65, "cnr_id": "comfy-core", "ver": "0.7.0", "Node name for S&R": "LTXAVTextEncoderLoader", "models": [ { "name": "ltx-2-19b-dev-fp8.safetensors", "url": 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