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You can try 1920*1088 if you have a powerful GPU." ], "color": "#222", "bgcolor": "#000" }, { "id": 160, "type": "LoadImage", "pos": [ -1780, 4720 ], "size": [ 489.984375, 449.984375 ], "flags": {}, "order": 5, "mode": 0, "inputs": [], "outputs": [ { "name": "IMAGE", "type": "IMAGE", "links": [ 380 ] }, { "name": "MASK", "type": "MASK", "links": null } ], "properties": { "Node name for S&R": "LoadImage", "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": [ "minimalist_sky_view_lounge.png", "image" ] }, { "id": 169, "type": "PrimitiveBoolean", "pos": [ -980, 4790 ], "size": [ 269.984375, 99.984375 ], "flags": {}, "order": 6, "mode": 0, "inputs": [], "outputs": [ { "name": "BOOLEAN", "type": "BOOLEAN", "links": [ 388, 389 ] } ], "title": "Ignore First Frame?", "properties": { "Node name for S&R": "PrimitiveBoolean", "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": [ false ] }, { "id": 182, "type": "MarkdownNote", "pos": [ -2500, 4110 ], "size": [ 649.984375, 1679.984375 ], "flags": {}, "order": 7, "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\nGuide: [Subgraph](https://docs.comfy.org/interface/features/subgraph)\n\n## Model Links (for local users)\n\n- [Hugging Face:Comfy-Org/ltx-2](https://huggingface.co/Comfy-Org/ltx-2)\n- [Hugging Face:Comfy-Org/lotus](https://huggingface.co/Comfy-Org/lotus)\n\n**ModelScope mirrors** (alternative repo location)\n\n- [ModelScope:Comfy-Org/ltx-2](https://modelscope.cn/models/Comfy-Org/ltx-2)\n- [ModelScope:Comfy-Org/lotus](https://modelscope.cn/models/Comfy-Org/lotus)\n\n**checkpoints**\n- [ltx-2-19b-dev.safetensors](https://huggingface.co/Lightricks/LTX-2/resolve/main/ltx-2-19b-dev.safetensors) (40.31 GB)\n- [ltx-2-19b-dev-fp8.safetensors](https://huggingface.co/Lightricks/LTX-2/resolve/main/ltx-2-19b-dev-fp8.safetensors) (25.22 GB)\n- [ltx-2-19b-distilled.safetensors](https://huggingface.co/Lightricks/LTX-2/resolve/main/ltx-2-19b-distilled.safetensors) (40.31 GB)\n- [ltx-2-19b-distilled-fp8.safetensors](https://huggingface.co/Lightricks/LTX-2/resolve/main/ltx-2-19b-distilled-fp8.safetensors) (25.22 GB)\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) (8.8 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- [ltx-2-19b-ic-lora-depth-control.safetensors](https://huggingface.co/Lightricks/LTX-2-19b-IC-LoRA-Depth-Control/resolve/main/ltx-2-19b-ic-lora-depth-control.safetensors) (624.1 MB)\n\n**diffusion_models**\n\n- [lotus-depth-d-v1-1.safetensors](https://huggingface.co/Comfy-Org/lotus/resolve/main/lotus-depth-d-v1-1.safetensors) (1.62 GB)\n\n**vae**\n\n- [vae-ft-mse-840000-ema-pruned.safetensors](https://huggingface.co/stabilityai/sd-vae-ft-mse-original/resolve/main/vae-ft-mse-840000-ema-pruned.safetensors) (319.1 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\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”œā”€ā”€ ltx-2-19b-dev-fp8.safetensors\nā”‚ ā”‚ ā”œā”€ā”€ ltx-2-19b-distilled.safetensors\nā”‚ ā”‚ ā””ā”€ā”€ ltx-2-19b-distilled-fp8.safetensors\nā”‚ ā”œā”€ā”€ šŸ“‚ text_encoders/\nā”‚ ā”‚ ā””ā”€ā”€ gemma_3_12B_it_fp4_mixed.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-ic-lora-depth-control.safetensors\nā”‚ ā”œā”€ā”€ šŸ“‚ diffusion_models/\nā”‚ ā”‚ ā””ā”€ā”€ lotus-depth-d-v1-1.safetensors\nā”‚ ā”œā”€ā”€ šŸ“‚ vae/\nā”‚ ā”‚ ā””ā”€ā”€ vae-ft-mse-840000-ema-pruned.safetensors\nā”‚ ā””ā”€ā”€ šŸ“‚ latent_upscale_models/\nā”‚ ā””ā”€ā”€ ltx-2-spatial-upscaler-x2-1.0.safetensors\n```\n\n## Report Other Issues\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)" ], "color": "#222", "bgcolor": "#000" }, { "id": 162, "type": "4ba16137-671b-4a0a-9b09-fff1ba6ac7d8", "pos": [ 290, 4660 ], "size": [ 399.984375, 529.984375 ], "flags": { "collapsed": false }, "order": 15, "mode": 4, "inputs": [ { "label": "control_images", "name": "image", "type": "IMAGE", "link": 400 }, { "label": "control_lora", "name": "lora_name", "type": "COMBO", "widget": { "name": "lora_name" }, "link": null }, { "label": "image_strength", "name": "strength", "type": "FLOAT", "widget": { "name": "strength" }, "link": null }, { "label": "enable_first_frame", "name": "bypass", "type": "BOOLEAN", "widget": { "name": "bypass" }, "link": 389 }, { "label": "first_frame", "name": "image_1", "type": "IMAGE", "link": 382 } ], "outputs": [ { "name": "VIDEO", "type": "VIDEO", "links": [ 375 ] } ], "properties": { "enableTabs": false, "tabWidth": 65, "tabXOffset": 10, "hasSecondTab": false, "secondTabText": "Send Back", "secondTabOffset": 80, "secondTabWidth": 65, "cnr_id": "comfy-core", "ver": "0.7.0", "proxyWidgetErrorQuarantine": [ { "originalEntry": [ "199", "control_after_generate" ], "reason": "missingSubgraphInput", "attemptedAtVersion": 1 } ], "previewExposures": [] }, "widgets_values": [ "An expansive, sunlit modern lounge perched high above the city, where floor-to-ceiling glass walls flood the open-concept space with natural light and frame sweeping panoramic views of the sprawling urban skyline below. 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