{ "id": "07824bbb-6672-4bb0-ac36-4313a519e35b", "revision": 0, "last_node_id": 350, "last_link_id": 764, "nodes": [ { "id": 103, "type": "MarkdownNote", "pos": [-1220, 3530], "size": [750, 1200], "flags": {}, "order": 0, "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\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_1.1_lora_dynamic_fro09_avg_rank_111_bf16.safetensors](https://huggingface.co/Comfy-Org/ltx-2.3/resolve/main/split_files/loras/ltx_2.3_22b_distilled_1.1_lora_dynamic_fro09_avg_rank_111_bf16.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```\nšŸ“‚ ComfyUI/\nā”œā”€ā”€ šŸ“‚ models/\nā”‚ ā”œā”€ā”€ šŸ“‚ checkpoints/\nā”‚ ā”‚ ā””ā”€ā”€ ltx-2.3-22b-dev-fp8.safetensors\nā”‚ ā”œā”€ā”€ šŸ“‚ loras/\nā”‚ ā”‚ ā”œā”€ā”€ ltx_2.3_22b_distilled_1.1_lora_dynamic_fro09_avg_rank_111_bf16.safetensors\nā”‚ ā”‚ ā””ā”€ā”€ gemma-3-12b-it-abliterated_lora_rank64_bf16.safetensors\nā”‚ ā””ā”€ā”€ šŸ“‚ latent_upscale_models/\nā”‚ ā””ā”€ā”€ 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" ], "widgets_values_named": { "text": "- 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\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_1.1_lora_dynamic_fro09_avg_rank_111_bf16.safetensors](https://huggingface.co/Comfy-Org/ltx-2.3/resolve/main/split_files/loras/ltx_2.3_22b_distilled_1.1_lora_dynamic_fro09_avg_rank_111_bf16.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```\nšŸ“‚ ComfyUI/\nā”œā”€ā”€ šŸ“‚ models/\nā”‚ ā”œā”€ā”€ šŸ“‚ checkpoints/\nā”‚ ā”‚ ā””ā”€ā”€ ltx-2.3-22b-dev-fp8.safetensors\nā”‚ ā”œā”€ā”€ šŸ“‚ loras/\nā”‚ ā”‚ ā”œā”€ā”€ ltx_2.3_22b_distilled_1.1_lora_dynamic_fro09_avg_rank_111_bf16.safetensors\nā”‚ ā”‚ ā””ā”€ā”€ gemma-3-12b-it-abliterated_lora_rank64_bf16.safetensors\nā”‚ ā””ā”€ā”€ šŸ“‚ latent_upscale_models/\nā”‚ ā””ā”€ā”€ 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": [-440, 3530], "size": [400, 480], "flags": {}, "order": 1, "mode": 0, "inputs": [], "outputs": [ { "name": "IMAGE", "type": "IMAGE", "links": [726] }, { "name": "MASK", "type": "MASK", "links": null } ], "properties": { "Node name for S&R": "LoadImage", "cnr_id": "comfy-core", "ver": "0.16.3", "enableTabs": false, "tabWidth": 65, "tabXOffset": 10, "hasSecondTab": false, "secondTabText": "Send Back", "secondTabOffset": 80, "secondTabWidth": 65 }, "widgets_values": ["cactus_man.png", "image"], "widgets_values_named": { "image": "cactus_man.png", "upload": "image" } }, { "id": 339, "type": "RecordAudio", "pos": [-440, 4330], "size": [400, 160], "flags": {}, "order": 2, "mode": 4, "inputs": [], "outputs": [ { "name": "AUDIO", "type": "AUDIO", "links": null } ], "properties": { "Node name for S&R": "RecordAudio", "cnr_id": "comfy-core", "ver": "0.16.3", "enableTabs": false, "tabWidth": 65, "tabXOffset": 10, "hasSecondTab": false, "secondTabText": "Send Back", "secondTabOffset": 80, "secondTabWidth": 65 }, "widgets_values": ["", ""], "widgets_values_named": { "audio": "" } }, { "id": 341, "type": "SaveVideo", "pos": [430, 3530], "size": [580, 150], "flags": {}, "order": 5, "mode": 0, "inputs": [ { "name": "video", "type": "VIDEO", "link": 741 } ], "outputs": [ { "name": "video", "type": "VIDEO", "links": null } ], "properties": { "Node name for S&R": "SaveVideo", "cnr_id": "comfy-core", "ver": "0.16.3", "enableTabs": false, "tabWidth": 65, "tabXOffset": 10, "hasSecondTab": false, "secondTabText": "Send Back", "secondTabOffset": 80, "secondTabWidth": 65 }, "widgets_values": ["video/LTX_2.3_ia2v", "auto", "auto", "auto"], "widgets_values_named": { "filename_prefix": "video/LTX_2.3_ia2v", "format": "auto", "format.codec": "auto", "codec": "auto" } }, { "id": 276, "type": "LoadAudio", "pos": [-440, 4070], "size": [400, 180], "flags": {}, "order": 3, "mode": 0, "inputs": [], "outputs": [ { "name": "AUDIO", "type": "AUDIO", "links": [727] } ], "properties": { "Node name for S&R": "LoadAudio", "cnr_id": "comfy-core", "ver": "0.16.3", "enableTabs": false, "tabWidth": 65, "tabXOffset": 10, "hasSecondTab": false, "secondTabText": "Send Back", "secondTabOffset": 80, "secondTabWidth": 65 }, "widgets_values": ["ltx_23_audio.mp3", null, null], "widgets_values_named": { "audio": "ltx_23_audio.mp3", "upload": null } }, { "id": 340, "type": "98ee9e5b-467b-40aa-a534-36033f27d0b4", "pos": [0, 3530], "size": [400, 610], "flags": {}, "order": 4, "mode": 0, "inputs": [ { "label": "first_frame", "name": "input", "type": "IMAGE,MASK", "link": 726 }, { "name": "audio", "type": "AUDIO", "link": 727 }, { "label": "prompt", "name": "value", "type": "STRING", "widget": { "name": "value" }, "link": null }, { "label": "prompt_enhance", "name": "value_5", "type": "BOOLEAN", "widget": { "name": "value_5" }, "link": null }, { "label": "width", "name": "value_1", "type": "INT", "widget": { "name": "value_1" }, "link": null }, { "label": "height", "name": "value_2", "type": "INT", "widget": { "name": "value_2" }, "link": null }, { "label": "audio_start", "name": "start_index", "type": "FLOAT", "widget": { "name": "start_index" }, "link": null }, { "label": "duration", "name": "value_4", "type": "FLOAT", "widget": { "name": "value_4" }, "link": null }, { "label": "fps", "name": "value_3", "type": "INT", "widget": { "name": "value_3" }, "link": null }, { "label": "seed", "name": "noise_seed", "type": "INT", "widget": { "name": "noise_seed" }, "link": null }, { "label": "distilled_lora", "name": "lora_name", "type": "COMBO", "widget": { "name": "lora_name" }, "link": null }, { "label": "upscale_model", "name": "model_name", "type": "COMBO", "widget": { "name": "model_name" }, "link": null }, { "label": "lora", "name": "lora_name_1", "type": "COMBO", "widget": { "name": "lora_name_1" }, "link": null } ], "outputs": [ { "name": "VIDEO", "type": "VIDEO", "links": [741] } ], "properties": { "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": { "value": true, "value_1": true, "value_2": true, "value_3": true, "value_4": true, "value_5": true, "start_index": true, "lora_name": true, "model_name": true } }, "previewExposures": [] }, "widgets_values": [ "The fuzzy cactus creature is talking to the viewer as it grips the steering wheel with one hand, the other hand gestures naturally as it speaks. The car is moving, revealing the sunlit coastal background, static camera fixed on character, smooth side-tracking shot matching the car speed\n\nscene: Sunlit coastal road trip, clear coastal background\ncharacter: Fuzzy cactus creature with big square sunglasses and a Hawaiian shirt\naction: One hand grips the steering wheel, the other gestures naturally while talking to the camera\ncamera: Fixed on character, smooth side-tracking shot matching car speed", true, 1280, 720, 0, 9, 24, 225158785956033, "ltx-2.3-22b-dev-fp8.safetensors", "ltx_2.3_22b_distilled_1.1_lora_dynamic_fro09_avg_rank_111_bf16.safetensors", "gemma_3_12B_it_fp4_mixed.safetensors", "ltx-2.3-spatial-upscaler-x2-1.1.safetensors", "gemma-3-12b-it-abliterated_lora_rank64_bf16.safetensors" ], "widgets_values_named": { "value": "The fuzzy cactus creature is talking to the viewer as it grips the steering wheel with one hand, the other hand gestures naturally as it speaks. The car is moving, revealing the sunlit coastal background, static camera fixed on character, smooth side-tracking shot matching the car speed\n\nscene: Sunlit coastal road trip, clear coastal background\ncharacter: Fuzzy cactus creature with big square sunglasses and a Hawaiian shirt\naction: One hand grips the steering wheel, the other gestures naturally while talking to the camera\ncamera: Fixed on character, smooth side-tracking shot matching car speed", "value_5": true, "value_1": 1280, "value_2": 720, "start_index": 0, "value_4": 9, "value_3": 24, "noise_seed": 225158785956033, "ckpt_name": "ltx-2.3-22b-dev-fp8.safetensors", "lora_name": "ltx_2.3_22b_distilled_1.1_lora_dynamic_fro09_avg_rank_111_bf16.safetensors", "text_encoder": "gemma_3_12B_it_fp4_mixed.safetensors", "model_name": "ltx-2.3-spatial-upscaler-x2-1.1.safetensors", "lora_name_1": "gemma-3-12b-it-abliterated_lora_rank64_bf16.safetensors" } } ], "links": [ [726, 269, 0, 340, 0, "IMAGE"], [727, 276, 0, 340, 1, "AUDIO"], [741, 340, 0, 341, 0, "VIDEO"] ], "groups": [], "definitions": { "subgraphs": [ { "id": "98ee9e5b-467b-40aa-a534-36033f27d0b4", "version": 1, "state": { "lastGroupId": 27, "lastNodeId": 350, "lastLinkId": 764, "lastRerouteId": 0 }, "revision": 0, "config": {}, "name": "Video Generation (LTX-2.3)", "inputNode": { "id": -10, "bounding": [-140, 3700, 142.98046875, 348] }, "outputNode": { "id": -20, "bounding": [5320, 4030, 128, 68] }, "inputs": [ { "id": "b16ca2a6-1c07-4c28-bc42-7aae63573f3b", "name": "input", "type": "IMAGE,MASK", "linkIds": [698], "localized_name": "input", "label": "first_frame", "pos": [-21.01953125, 3724] }, { "id": "104b358d-b776-4554-8154-9d235cda41c0", "name": "audio", "type": "AUDIO", "linkIds": [709], "localized_name": "audio", "pos": [-21.01953125, 3744] }, { "id": "fa2f98f8-7318-4426-aa1c-27469bbca13f", "name": "value", "type": "STRING", "linkIds": [729], "label": "prompt", "pos": [-21.01953125, 3764] }, { "id": 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"linkIds": [761], "label": "seed", "pos": [-21.01953125, 3904] }, { "id": "2c4a6dcd-8cb9-4058-ba4d-7379641317c7", "name": "ckpt_name", "type": "COMBO", "linkIds": [735, 736, 737], "pos": [-21.01953125, 3924] }, { "id": "50329cb8-e54e-45bf-b7ae-d4fb7919c46e", "name": "lora_name", "type": "COMBO", "linkIds": [738], "label": "distilled_lora", "pos": [-21.01953125, 3944] }, { "id": "6032f234-532a-4f8f-b91c-1de13178983b", "name": "text_encoder", "type": "COMBO", "linkIds": [739], "pos": [-21.01953125, 3964] }, { "id": "9f8f45c4-bf9e-4cfb-a289-72cfc4faea8b", "name": "model_name", "type": "COMBO", "linkIds": [740], "label": "upscale_model", "pos": [-21.01953125, 3984] }, { "id": "8745bf6c-2c6c-4e4c-a046-930d27917750", "name": "lora_name_1", "type": "COMBO", "linkIds": [760], "label": "lora", "pos": [-21.01953125, 4004] } ], "outputs": [ { "id": "05fff727-0167-4215-b9ae-17ac246e5734", "name": "VIDEO", "type": "VIDEO", "linkIds": [699], "localized_name": "VIDEO", "pos": [5344, 4054] } ], 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"RandomNoise", "cnr_id": "comfy-core", "ver": "0.3.56", "enableTabs": false, "tabWidth": 65, "tabXOffset": 10, "hasSecondTab": false, "secondTabText": "Send Back", "secondTabOffset": 80, "secondTabWidth": 65 }, "widgets_values": [225158785956033, "randomize"], "widgets_values_named": { "noise_seed": 225158785956033, "control_after_generate": "randomize" } }, { "id": 287, "type": "LTXVConcatAVLatent", "pos": [3970, 4130], "size": [280, 100], "flags": {}, "order": 7, "mode": 0, "inputs": [ { "localized_name": "video_latent", "name": "video_latent", "type": "LATENT", "link": 642 }, { "localized_name": "audio_latent", "name": "audio_latent", "type": "LATENT", "link": 643 } ], "outputs": [ { "localized_name": "latent", "name": "latent", "type": "LATENT", "links": [691] } ], "properties": { "Node name for S&R": "LTXVConcatAVLatent", "cnr_id": "comfy-core", "ver": "0.5.1", "enableTabs": false, "tabWidth": 65, "tabXOffset": 10, "hasSecondTab": false, "secondTabText": "Send Back", "secondTabOffset": 80, "secondTabWidth": 65 } }, { "id": 288, "type": "KSamplerSelect", "pos": [3970, 3790], "size": [280, 110], "flags": {}, "order": 1, "mode": 0, "inputs": [], "outputs": [ { "localized_name": "SAMPLER", "name": "SAMPLER", "type": "SAMPLER", "links": [689] } ], "properties": { "Node name for S&R": "KSamplerSelect", "cnr_id": "comfy-core", "ver": "0.3.75", "enableTabs": false, "tabWidth": 65, "tabXOffset": 10, "hasSecondTab": false, "secondTabText": "Send Back", "secondTabOffset": 80, "secondTabWidth": 65 }, "widgets_values": ["euler"], "widgets_values_named": { "sampler_name": "euler" } }, { "id": 289, "type": "ManualSigmas", "pos": [3970, 3960], "size": [280, 110], "flags": {}, "order": 2, "mode": 0, "inputs": [], "outputs": [ { "localized_name": "SIGMAS", "name": "SIGMAS", "type": "SIGMAS", "links": [690] } ], "properties": { "Node name for S&R": "ManualSigmas", "cnr_id": "comfy-core", "ver": "0.5.1", "enableTabs": false, "tabWidth": 65, "tabXOffset": 10, 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