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工作流 / 视频 / LTX-2.3: ID LoRA
LTX-2.3: ID LoRA

LTX-2.3: ID LoRA

LTX-2.3: ID LoRA

根据文本提示词、参考图和短音频片段，生成带有同步音频的个性化视频。使用ID-LoRA在单个生成模型中适配人物的外观和声音。

视频 8 个节点 2 个输入 152 次使用 ComfyUI ≥ 0.19.0 ComfyUI 142 KB

下载工作流 JSON 查看官方来源

下载后把文件拖进 ComfyUI 窗口即可打开。

需要的权重

这个工作流引用了 7 个权重文件，其中 6 个能在本站模型库里找到。

gemma_3_12B_it_fp4_mixed.safetensors 在模型库查看
ltx-2.3-22b-dev-fp8.safetensors 在模型库查看
ltx-2.3-id-lora-talkvid-3k.safetensors 在模型库查看
ltx-2.3-spatial-upscaler-x2-1.1.safetensors 在模型库查看
ltx-av-step-1751000_vocoder_24K.safetensors 模型库暂未收录
ltx_2.3_22b_distilled_1.1_lora_dynamic_fro09_avg_rank_111_bf16.safetensors 在模型库查看
model.safetensors 在模型库查看

节点构成

MarkdownNote × 3
LoadImage × 1
SaveVideo × 1
LoadAudio × 1
98ee9e5b-467b-40aa-a534-36033f27d0b4 × 1
RecordAudio × 1

官方标注的模型

LTX-2.3

工作流 JSON

和上面「下载工作流 JSON」是同一份文件。

1{
2 "id": "07824bbb-6672-4bb0-ac36-4313a519e35b",
3 "revision": 0,
4 "last_node_id": 356,
5 "last_link_id": 785,
6 "nodes": [
7 {
8 "id": 103,
9 "type": "MarkdownNote",
10 "pos": [
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14 "size": [
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17 ],
18 "flags": [],
19 "order": 0,
20 "mode": 0,
21 "inputs": [],
22 "outputs": [],
23 "title": "Model Links",
24 "properties": {
25 "ue_properties": {
26 "widget_ue_connectable": [],
27 "version": "7.7",
28 "input_ue_unconnectable": []
29 }
30 },
31 "widgets_values": [
32 "- 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```\n📂 ComfyUI/\n├── 📂 models/\n│ ├── 📂 checkpoints/\n│ │ └── ltx-2.3-22b-dev-fp8.safetensors\n│ ├── 📂 loras/\n│ │ ├── ltx_2.3_22b_distilled_1.1_lora_dynamic_fro09_avg_rank_111_bf16.safetensors\n│ │ └── ltx-2.3-id-lora-talkvid-3k.safetensors\n│ ├── 📂 text_encoders/\n│ │ └── gemma_3_12B_it_fp4_mixed.safetensors\n│ └── 📂 latent_upscale_models/\n│ └── 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"
33 ],
34 "widgets_values_named": {
35 "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```\n📂 ComfyUI/\n├── 📂 models/\n│ ├── 📂 checkpoints/\n│ │ └── ltx-2.3-22b-dev-fp8.safetensors\n│ ├── 📂 loras/\n│ │ ├── ltx_2.3_22b_distilled_1.1_lora_dynamic_fro09_avg_rank_111_bf16.safetensors\n│ │ └── ltx-2.3-id-lora-talkvid-3k.safetensors\n│ ├── 📂 text_encoders/\n│ │ └── gemma_3_12B_it_fp4_mixed.safetensors\n│ └── 📂 latent_upscale_models/\n│ └── 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"
36 },
37 "color": "#222",
38 "bgcolor": "#000"
39 },
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42 "type": "LoadImage",
43 "pos": [
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46 ],
47 "size": [
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50 ],
51 "flags": [],
52 "order": 1,
53 "mode": 0,
54 "inputs": [],
55 "outputs": [
56 {
57 "name": "IMAGE",
58 "type": "IMAGE",
59 "links": [
60 726
61 ]
62 },
63 {
64 "name": "MASK",
65 "type": "MASK",
66 "links": null
67 }
68 ],
69 "properties": {
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71 "cnr_id": "comfy-core",
72 "ver": "0.16.3",
73 "enableTabs": false,
74 "tabWidth": 65,
75 "tabXOffset": 10,
76 "hasSecondTab": false,
77 "secondTabText": "Send Back",
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79 "secondTabWidth": 65,
80 "ue_properties": {
81 "widget_ue_connectable": [],
82 "version": "7.7",
83 "input_ue_unconnectable": []
84 }
85 },
86 "widgets_values": [
87 "vintage_thinker.png",
88 "image"
89 ],
90 "widgets_values_named": {
91 "image": "vintage_thinker.png",
92 "upload": "image"
93 }
94 },
95 {
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97 "type": "SaveVideo",
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102 "size": [
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105 ],
106 "flags": [],
107 "order": 7,
108 "mode": 0,
109 "inputs": [
110 {
111 "name": "video",
112 "type": "VIDEO",
113 "link": 741
114 }
115 ],
116 "outputs": [
117 {
118 "name": "video",
119 "type": "VIDEO",
120 "links": null
121 }
122 ],
123 "properties": {
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125 "cnr_id": "comfy-core",
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164 "flags": [],
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175 }
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180 "ver": "0.16.3",
181 "enableTabs": false,
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183 "tabXOffset": 10,
184 "hasSecondTab": false,
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186 "secondTabOffset": 80,
187 "secondTabWidth": 65,
188 "ue_properties": {
189 "widget_ue_connectable": [],
190 "version": "7.7",
191 "input_ue_unconnectable": []
192 }
193 },
194 "widgets_values": [
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196 null,
197 null
198 ],
199 "widgets_values_named": {
200 "audio": "ltx23_reference_audio.mp3",
201 "upload": null
202 }
203 },
204 {
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215 "flags": [],
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221 "name": "input",
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223 "link": 726
224 },
225 {
226 "label": "reference_audio",
227 "name": "audio",
228 "type": "AUDIO",
229 "link": 781
230 },
231 {
232 "label": "prompt",
233 "name": "value",
234 "type": "STRING",
235 "widget": {
236 "name": "value"
237 },
238 "link": null
239 },
240 {
241 "label": "width",
242 "name": "value_1",
243 "type": "INT",
244 "widget": {
245 "name": "value_1"
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247 "link": null
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249 {
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258 {
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267 {
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270 "type": "FLOAT",
271 "widget": {
272 "name": "value_4"
273 },
274 "link": null
275 },
276 {
277 "label": "distilled_lora",
278 "name": "lora_name",
279 "type": "COMBO",
280 "widget": {
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285 {
286 "label": "upscale_model",
287 "name": "model_name",
288 "type": "COMBO",
289 "widget": {
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292 "link": null
293 },
294 {
295 "label": "id_lora",
296 "name": "lora_name_1",
297 "type": "COMBO",
298 "widget": {
299 "name": "lora_name_1"
300 },
301 "link": null
302 }
303 ],
304 "outputs": [
305 {
306 "name": "VIDEO",
307 "type": "VIDEO",
308 "links": [
309 741
310 ]
311 }
312 ],
313 "properties": {
314 "cnr_id": "comfy-core",
315 "ver": "0.16.3",
316 "enableTabs": false,
317 "tabWidth": 65,
318 "tabXOffset": 10,
319 "hasSecondTab": false,
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323 "ue_properties": {
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393 "properties": {
394 "ue_properties": {
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401 "ID-LoRA uses a structured prompt with three tagged sections:\n\n```\n[VISUAL]: <scene and appearance description>\n[SPEECH]: <exact words the person should say>\n[SOUNDS]: <speaker vocal style + ambient/environmental 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]` — 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"
402 ],
403 "widgets_values_named": {
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429 "version": "7.7",
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432 },
433 "widgets_values": [
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435 ],
436 "widgets_values_named": {
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460 "type": "AUDIO",
461 "links": null
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463 ],
464 "properties": {
465 "Node name for S&R": "RecordAudio",
466 "cnr_id": "comfy-core",
467 "ver": "0.18.1",
468 "enableTabs": false,
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470 "tabXOffset": 10,
471 "hasSecondTab": false,
472 "secondTabText": "Send Back",
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475 "ue_properties": {
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477 "version": "7.7",
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