工作流 /
视频 /
LTX-2.3：图像音频转视频
LTX-2.3：图像音频转视频
LTX-2.3: Image Audio to Video
上传图像和音频文件，使用LTX-2.3生成同步唇部动作的高质量视频。
视频
6 个节点 2 个输入 1,159 次使用 ComfyUI ≥ 0.21.0 ComfyUI 141 KB
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-abliterated_lora_rank64_bf16.safetensors
在模型库查看
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-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
× 1
LoadImage
× 1
RecordAudio
× 1
SaveVideo
× 1
LoadAudio
× 1
98ee9e5b-467b-40aa-a534-36033f27d0b4
× 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。
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26 "- 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- [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- [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) (599.1 MB)\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│ │ └── gemma-3-12b-it-abliterated_lora_rank64_bf16.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"
27 ],
28 "widgets_values_named": {
29 "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- [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- [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) (599.1 MB)\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│ │ └── gemma-3-12b-it-abliterated_lora_rank64_bf16.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"
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5124 "21": {
5125 "inputs": {
5126 "audioUI": "",
5127 "audio": [
5128 "14",
5129 0
5130 ]
5131 },
5132 "class_type": "PreviewAudio",
5133 "_meta": {
5134 "title": "PreviewAudio"
5135 }
5136 },
5137 "22": {
5138 "inputs": {
5139 "frame_rate": [
5140 "23",
5141 0
5142 ],
5143 "positive": [
5144 "3",
5145 0
5146 ],
5147 "negative": [
5148 "4",
5149 0
5150 ]
5151 },
5152 "class_type": "LTXVConditioning",
5153 "_meta": {
5154 "title": "LTXVConditioning"
5155 }
5156 },
5157 "23": {
5158 "inputs": {
5159 "value": 25
5160 },
5161 "class_type": "FloatConstant",
5162 "_meta": {
5163 "title": "Float Constant"
5164 }
5165 },
5166 "26": {
5167 "inputs": {
5168 "frames_number": [
5169 "27",
5170 0
5171 ],
5172 "frame_rate": [
5173 "42",
5174 0
5175 ],
5176 "batch_size": 1
5177 },
5178 "class_type": "LTXVEmptyLatentAudio",
5179 "_meta": {
5180 "title": "🅛🅣🅧 LTXV Empty Latent Audio"
5181 }
5182 },
5183 "27": {
5184 "inputs": {
5185 "value": 105
5186 },
5187 "class_type": "INTConstant",
5188 "_meta": {
5189 "title": "INT Constant"
5190 }
5191 },
5192 "28": {
5193 "inputs": {
5194 "video_latent": [
5195 "43",
5196 0
5197 ],
5198 "audio_latent": [
5199 "26",
5200 0
5201 ],
5202 "model": [
5203 "44",
5204 0
5205 ]
5206 },
5207 "class_type": "LTXVConcatAVLatent",
5208 "_meta": {
5209 "title": "🅛🅣🅧 LTXV Concat AV Latent"
5210 }
5211 },
5212 "29": {
5213 "inputs": {
5214 "av_latent": [
5215 "41",
5216 0
5217 ],
5218 "model": [
5219 "28",
5220 1
5221 ]
5222 },
5223 "class_type": "LTXVSeparateAVLatent",
5224 "_meta": {
5225 "title": "🅛🅣🅧 LTXV Separate AV Latent"
5226 }
5227 },
5228 "41": {
5229 "inputs": {
5230 "noise": [
5231 "11",
5232 0
5233 ],
5234 "guider": [
5235 "17",
5236 0
5237 ],
5238 "sampler": [
5239 "8",
5240 0
5241 ],
5242 "sigmas": [
5243 "9",
5244 0
5245 ],
5246 "latent_image": [
5247 "28",
5248 0
5249 ]
5250 },
5251 "class_type": "SamplerCustomAdvanced",
5252 "_meta": {
5253 "title": "SamplerCustomAdvanced"
5254 }
5255 },
5256 "42": {
5257 "inputs": {
5258 "a": [
5259 "23",
5260 0
5261 ]
5262 },
5263 "class_type": "CM_FloatToInt",
5264 "_meta": {
5265 "title": "FloatToInt"
5266 }
5267 },
5268 "43": {
5269 "inputs": {
5270 "width": 768,
5271 "height": 512,
5272 "length": [
5273 "27",
5274 0
5275 ],
5276 "batch_size": 1
5277 },
5278 "class_type": "EmptyLTXVLatentVideo",
5279 "_meta": {
5280 "title": "EmptyLTXVLatentVideo"
5281 }
5282 },
5283 "44": {
5284 "inputs": {
5285 "torch_compile": true,
5286 "disable_backup": false,
5287 "model": [
5288 "1",
5289 0
5290 ]
5291 },
5292 "class_type": "LTXVSequenceParallelMultiGPUPatcher",
5293 "_meta": {
5294 "title": "LTXVSequenceParallelMultiGPUPatcher"
5295 }
5296 },
5297 "45": {
5298 "inputs": {
5299 "frame_idx": 0,
5300 "strength": 1
5301 },
5302 "class_type": "LTXVAddGuide",
5303 "_meta": {
5304 "title": "LTXVAddGuide"
5305 }
5306 }
5307 },
5308 "comfy_fork_version": "feature/av_inference@a6994ed1",
5309 "VHS_latentpreview": false,
5310 "VHS_latentpreviewrate": 0,
5311 "VHS_MetadataImage": true,
5312 "VHS_KeepIntermediate": true
5313 },
5314 "version": 0.4
5315}