{ "id": "07824bbb-6672-4bb0-ac36-4313a519e35b", "revision": 0, "last_node_id": 356, "last_link_id": 785, "nodes": [ { "id": 103, "type": "MarkdownNote", "pos": [ -1250, 3530 ], "size": [ 750, 1180 ], "flags": {}, "order": 0, "mode": 0, "inputs": [], "outputs": [], "title": "Model Links", "properties": { "ue_properties": { "widget_ue_connectable": {}, "version": "7.7", "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- [ID LoRA](https://github.com/ID-LoRA/ID-LoRA/tree/main)\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- [Hugging Face:Comfy-Org/ltx-2.3](https://huggingface.co/Comfy-Org/ltx-2.3)\n- [ModelScope:Comfy-Org/ltx-2.3](https://modelscope.cn/models/Comfy-Org/ltx-2.3)\n- [Hugging Face:Comfy-Org/ltx-2](https://huggingface.co/Comfy-Org/ltx-2)\n- [ModelScope:Comfy-Org/ltx-2](https://modelscope.cn/models/Comfy-Org/ltx-2)\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) (27.14 GB)\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) (2.55 GB)\n- [ltx-2.3-id-lora-talkvid-3k.safetensors](https://huggingface.co/Comfy-Org/ltx-2.3/resolve/main/split_files/loras/ltx-2.3-id-lora-talkvid-3k.safetensors) (1.08 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**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) (949.6 MB)\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_1.1_lora_dynamic_fro09_avg_rank_111_bf16.safetensors\nβ”‚ β”‚ └── ltx-2.3-id-lora-talkvid-3k.safetensors\nβ”‚ β”œβ”€β”€ πŸ“‚ text_encoders/\nβ”‚ β”‚ └── gemma_3_12B_it_fp4_mixed.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" ], "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- [ID LoRA](https://github.com/ID-LoRA/ID-LoRA/tree/main)\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- [Hugging Face:Comfy-Org/ltx-2.3](https://huggingface.co/Comfy-Org/ltx-2.3)\n- [ModelScope:Comfy-Org/ltx-2.3](https://modelscope.cn/models/Comfy-Org/ltx-2.3)\n- [Hugging Face:Comfy-Org/ltx-2](https://huggingface.co/Comfy-Org/ltx-2)\n- [ModelScope:Comfy-Org/ltx-2](https://modelscope.cn/models/Comfy-Org/ltx-2)\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) (27.14 GB)\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) (2.55 GB)\n- [ltx-2.3-id-lora-talkvid-3k.safetensors](https://huggingface.co/Comfy-Org/ltx-2.3/resolve/main/split_files/loras/ltx-2.3-id-lora-talkvid-3k.safetensors) (1.08 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**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) (949.6 MB)\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_1.1_lora_dynamic_fro09_avg_rank_111_bf16.safetensors\nβ”‚ β”‚ └── ltx-2.3-id-lora-talkvid-3k.safetensors\nβ”‚ β”œβ”€β”€ πŸ“‚ text_encoders/\nβ”‚ β”‚ └── gemma_3_12B_it_fp4_mixed.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": [ -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, "ue_properties": { "widget_ue_connectable": {}, "version": "7.7", "input_ue_unconnectable": {} } }, "widgets_values": [ "vintage_thinker.png", "image" ], "widgets_values_named": { "image": "vintage_thinker.png", "upload": "image" } }, { "id": 341, "type": "SaveVideo", "pos": [ 430, 3530 ], "size": [ 580, 150 ], "flags": {}, "order": 7, "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, "ue_properties": { "widget_ue_connectable": {}, "version": "7.7", "input_ue_unconnectable": {} } }, "widgets_values": [ "video/LTX_2.3_id_lora", "auto", "auto", "auto" ], "widgets_values_named": { "filename_prefix": "video/LTX_2.3_id_lora", "format": "auto", "format.codec": "auto", "codec": "auto" } }, { "id": 276, "type": "LoadAudio", "pos": [ -440, 4070 ], "size": [ 400, 180 ], "flags": {}, "order": 2, "mode": 0, "inputs": [], "outputs": [ { "name": "AUDIO", "type": "AUDIO", "links": [ 781 ] } ], "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, "ue_properties": { "widget_ue_connectable": {}, "version": "7.7", "input_ue_unconnectable": {} } }, "widgets_values": [ "ltx23_reference_audio.mp3", null, null ], "widgets_values_named": { "audio": "ltx23_reference_audio.mp3", "upload": null } }, { "id": 340, "type": "98ee9e5b-467b-40aa-a534-36033f27d0b4", "pos": [ 0, 3530 ], "size": [ 400, 560 ], "flags": {}, "order": 6, "mode": 0, "inputs": [ { "label": "first_frame", "name": "input", "type": "IMAGE,MASK", "link": 726 }, { "label": "reference_audio", "name": "audio", "type": "AUDIO", "link": 781 }, { "label": "prompt", "name": "value", "type": "STRING", "widget": { "name": "value" }, "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": "fps", "name": "value_3", "type": "INT", "widget": { "name": "value_3" }, "link": null }, { "label": "duration", "name": "value_4", "type": "FLOAT", "widget": { "name": "value_4" }, "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": "id_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, "lora_name": true, "model_name": true, "lora_name_1": true }, "version": "7.7", "input_ue_unconnectable": {} }, "proxyWidgetErrorQuarantine": [ { "originalEntry": [ "286", "control_after_generate" ], "reason": "missingSubgraphInput", "attemptedAtVersion": 1 } ], "previewExposures": [] }, "widgets_values": [ "[VISUAL]: Opens with a medium shot, camera slowly pushes in toward the character. A man with short dark hair and round glasses, wearing a retro orange floral shirt, looks directly at the camera, his mouth opens and closes naturally as he speaks, tilts his head playfully.\n[SPEECH]: Hey, what do you think of this vibe? Feels like we’re back in the 90s.\n[SOUNDS]: Playful and upbeat tone, moderate volume, close to the microphone. ", 1280, 720, 25, 10, "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", "ltx-2.3-id-lora-talkvid-3k.safetensors", 597157848195547 ], "widgets_values_named": { "value": "[VISUAL]: Opens with a medium shot, camera slowly pushes in toward the character. A man with short dark hair and round glasses, wearing a retro orange floral shirt, looks directly at the camera, his mouth opens and closes naturally as he speaks, tilts his head playfully.\n[SPEECH]: Hey, what do you think of this vibe? Feels like we’re back in the 90s.\n[SOUNDS]: Playful and upbeat tone, moderate volume, close to the microphone. ", "value_1": 1280, "value_2": 720, "value_3": 25, "value_4": 10, "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": "ltx-2.3-id-lora-talkvid-3k.safetensors", "noise_seed": 597157848195547 } }, { "id": 351, "type": "MarkdownNote", "pos": [ -1250, 4770 ], "size": [ 740, 820 ], "flags": {}, "order": 3, "mode": 0, "inputs": [], "outputs": [], "title": "ID LoRA Prompt Format", "properties": { "ue_properties": { "widget_ue_connectable": {}, "version": "7.7", "input_ue_unconnectable": {} } }, "widgets_values": [ "ID-LoRA uses a structured prompt with three tagged sections:\n\n```\n[VISUAL]: \n[SPEECH]: \n[SOUNDS]: \n```\n\n| Section | What to write | Example |\n|---------|--------------|---------|\n| `[VISUAL]` | Shot type, subject appearance, clothing, setting, lighting, actions | *A medium shot of a woman with short black hair wearing a white blouse, standing in a modern kitchen with warm lighting and speaking calmly.* |\n| `[SPEECH]` | The literal words to be spoken | *Hello everyone, welcome to our channel.* |\n| `[SOUNDS]` | Speaker vocal qualities (volume, tone, distance from mic) and background sounds | *The speaker has a calm, conversational tone at moderate volume, close to the microphone. Soft birds chirping in the background.* |\n\n**Full example:**\n\n```\n[VISUAL]: A medium shot features a young man with curly brown hair and light blue eyes, sitting on a beige couch. He is wearing a light blue shirt and a red patterned tie. His mouth is slightly open as he speaks. In the background, there is a blurry room with warm lighting.\n[SPEECH]: We are proud to introduce ID-LoRA.\n[SOUNDS]: The speaker has a moderate volume and a conversational tone, sounding engaged and natural. They are close to the microphone. Light, instrumental background music plays softly, creating a calm atmosphere.\n```\n\n**Tips:**\n- Be descriptive in `[VISUAL]` β€” shot type, colors, clothing, and background details all help, mention that the person is speaking to avoid voice-overs.\n- `[SPEECH]` should contain the exact transcript, not a summary.\n- `[SOUNDS]` controls both the speaking style (tone, volume, mic proximity) and ambient sounds (music, nature, room noise). Describing these steers the audio generation.\n" ], "widgets_values_named": { "text": "ID-LoRA uses a structured prompt with three tagged sections:\n\n```\n[VISUAL]: \n[SPEECH]: \n[SOUNDS]: \n```\n\n| Section | What to write | Example |\n|---------|--------------|---------|\n| `[VISUAL]` | Shot type, subject appearance, clothing, setting, lighting, actions | *A medium shot of a woman with short black hair wearing a white blouse, standing in a modern kitchen with warm lighting and speaking calmly.* |\n| `[SPEECH]` | The literal words to be spoken | *Hello everyone, welcome to our channel.* |\n| `[SOUNDS]` | Speaker vocal qualities (volume, tone, distance from mic) and background sounds | *The speaker has a calm, conversational tone at moderate volume, close to the microphone. Soft birds chirping in the background.* |\n\n**Full example:**\n\n```\n[VISUAL]: A medium shot features a young man with curly brown hair and light blue eyes, sitting on a beige couch. He is wearing a light blue shirt and a red patterned tie. His mouth is slightly open as he speaks. In the background, there is a blurry room with warm lighting.\n[SPEECH]: We are proud to introduce ID-LoRA.\n[SOUNDS]: The speaker has a moderate volume and a conversational tone, sounding engaged and natural. They are close to the microphone. Light, instrumental background music plays softly, creating a calm atmosphere.\n```\n\n**Tips:**\n- Be descriptive in `[VISUAL]` β€” shot type, colors, clothing, and background details all help, mention that the person is speaking to avoid voice-overs.\n- `[SPEECH]` should contain the exact transcript, not a summary.\n- `[SOUNDS]` controls both the speaking style (tone, volume, mic proximity) and ambient sounds (music, nature, room noise). Describing these steers the audio generation.\n" }, "color": "#222", "bgcolor": "#000" }, { "id": 353, "type": "MarkdownNote", "pos": [ -430, 4590 ], "size": [ 410, 140 ], "flags": {}, "order": 4, "mode": 0, "inputs": [], "outputs": [], "title": "Use your own voice.", "properties": { "ue_properties": { "widget_ue_connectable": {}, "version": "7.7", "input_ue_unconnectable": {} } }, "widgets_values": [ "Record your own voice and use it as the reference audio." ], "widgets_values_named": { "text": "Record your own voice and use it as the reference audio." }, "color": "#222", "bgcolor": "#000" }, { "id": 354, "type": "RecordAudio", "pos": [ -430, 4380 ], "size": [ 400, 160 ], "flags": {}, "order": 5, "mode": 4, "inputs": [], "outputs": [ { "name": "AUDIO", "type": "AUDIO", "links": null } ], "properties": { "Node name for S&R": "RecordAudio", "cnr_id": "comfy-core", "ver": "0.18.1", "enableTabs": false, "tabWidth": 65, "tabXOffset": 10, "hasSecondTab": false, "secondTabText": "Send Back", "secondTabOffset": 80, "secondTabWidth": 65, "ue_properties": { "widget_ue_connectable": {}, "version": "7.7", "input_ue_unconnectable": {} } }, "widgets_values": [ "", "" ], "widgets_values_named": { "audio": "" } } ], "links": [ [ 726, 269, 0, 340, 0, "IMAGE" ], [ 741, 340, 0, 341, 0, "VIDEO" ], [ 781, 276, 0, 340, 1, "AUDIO" ] ], "groups": [ { "id": 28, "title": "Use your own voice", "bounding": [ -480, 4290, 490, 470 ], "color": "#3f789e", "flags": {} } ], "definitions": { "subgraphs": [ { "id": "98ee9e5b-467b-40aa-a534-36033f27d0b4", "version": 1, "state": { "lastGroupId": 28, "lastNodeId": 356, "lastLinkId": 785, "lastRerouteId": 0 }, "revision": 0, "config": {}, "name": "Video Generation (LTX-2.3 ID LoRA)", "inputNode": { "id": -10, "bounding": [ -190, 3760, 139.412109375, 308 ] }, "outputNode": { "id": -20, "bounding": [ 5460, 4400, 128, 68 ] }, "inputs": [ { "id": "b16ca2a6-1c07-4c28-bc42-7aae63573f3b", "name": "input", "type": "IMAGE,MASK", "linkIds": [ 698 ], "localized_name": "input", "label": "first_frame", "pos": [ -74.587890625, 3784 ] }, { "id": "104b358d-b776-4554-8154-9d235cda41c0", "name": "audio", "type": "AUDIO", "linkIds": [ 768 ], "localized_name": "audio", "label": "reference_audio", "pos": [ -74.587890625, 3804 ] }, { "id": "fa2f98f8-7318-4426-aa1c-27469bbca13f", "name": "value", "type": "STRING", "linkIds": [ 729 ], "label": "prompt", "pos": [ -74.587890625, 3824 ] }, { "id": "f45f5c0f-4d19-42d1-bfb7-740c91c0fdb6", "name": "value_1", "type": "INT", "linkIds": [ 730 ], "label": "width", "pos": [ -74.587890625, 3844 ] }, { "id": "a0414d84-a2b3-46c1-a4b4-b4729376ccef", "name": "value_2", "type": "INT", "linkIds": [ 731 ], "label": "height", "pos": [ -74.587890625, 3864 ] }, { "id": "6c555a9a-2881-448b-92f9-f23c68de4e26", "name": "value_3", "type": "INT", "linkIds": [ 732 ], "label": "fps", "pos": [ -74.587890625, 3884 ] }, { "id": "13c9ac19-d8c7-4a44-9f31-97969f6fa165", "name": "value_4", "type": "FLOAT", "linkIds": [ 734 ], 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