工作流 /
视频 /
LTX-2.3: 图生视频
LTX-2.3: 图生视频
LTX-2.3: Image to Video
上传图像以生成视频，提升运动一致性和精细细节，包括增强的竖屏格式支持和音频质量。
视频
4 个节点 1 个输入 17,756 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
SaveVideo
× 1
2454ad83-157c-40dd-9f19-5daaf4041ce0
× 1
官方标注的模型
LTX-2.3Lightricks
工作流 JSON
和上面「下载工作流 JSON」是同一份文件。
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32 "- 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 (for Local Users)\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"
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\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 (for Local Users)\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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5070 0
5071 ],
5072 "batch_size": 1
5073 },
5074 "class_type": "LTXVEmptyLatentAudio",
5075 "_meta": {
5076 "title": "🅛🅣🅧 LTXV Empty Latent Audio"
5077 }
5078 },
5079 "27": {
5080 "inputs": {
5081 "value": 105
5082 },
5083 "class_type": "INTConstant",
5084 "_meta": {
5085 "title": "INT Constant"
5086 }
5087 },
5088 "28": {
5089 "inputs": {
5090 "video_latent": [
5091 "43",
5092 0
5093 ],
5094 "audio_latent": [
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5096 0
5097 ],
5098 "model": [
5099 "44",
5100 0
5101 ]
5102 },
5103 "class_type": "LTXVConcatAVLatent",
5104 "_meta": {
5105 "title": "🅛🅣🅧 LTXV Concat AV Latent"
5106 }
5107 },
5108 "29": {
5109 "inputs": {
5110 "av_latent": [
5111 "41",
5112 0
5113 ],
5114 "model": [
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5116 1
5117 ]
5118 },
5119 "class_type": "LTXVSeparateAVLatent",
5120 "_meta": {
5121 "title": "🅛🅣🅧 LTXV Separate AV Latent"
5122 }
5123 },
5124 "41": {
5125 "inputs": {
5126 "noise": [
5127 "11",
5128 0
5129 ],
5130 "guider": [
5131 "17",
5132 0
5133 ],
5134 "sampler": [
5135 "8",
5136 0
5137 ],
5138 "sigmas": [
5139 "9",
5140 0
5141 ],
5142 "latent_image": [
5143 "28",
5144 0
5145 ]
5146 },
5147 "class_type": "SamplerCustomAdvanced",
5148 "_meta": {
5149 "title": "SamplerCustomAdvanced"
5150 }
5151 },
5152 "42": {
5153 "inputs": {
5154 "a": [
5155 "23",
5156 0
5157 ]
5158 },
5159 "class_type": "CM_FloatToInt",
5160 "_meta": {
5161 "title": "FloatToInt"
5162 }
5163 },
5164 "43": {
5165 "inputs": {
5166 "width": 768,
5167 "height": 512,
5168 "length": [
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5170 0
5171 ],
5172 "batch_size": 1
5173 },
5174 "class_type": "EmptyLTXVLatentVideo",
5175 "_meta": {
5176 "title": "EmptyLTXVLatentVideo"
5177 }
5178 },
5179 "44": {
5180 "inputs": {
5181 "torch_compile": true,
5182 "disable_backup": false,
5183 "model": [
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5185 0
5186 ]
5187 },
5188 "class_type": "LTXVSequenceParallelMultiGPUPatcher",
5189 "_meta": {
5190 "title": "LTXVSequenceParallelMultiGPUPatcher"
5191 }
5192 },
5193 "45": {
5194 "inputs": {
5195 "frame_idx": 0,
5196 "strength": 1
5197 },
5198 "class_type": "LTXVAddGuide",
5199 "_meta": {
5200 "title": "LTXVAddGuide"
5201 }
5202 }
5203 },
5204 "comfy_fork_version": "feature/av_inference@a6994ed1",
5205 "VHS_latentpreview": false,
5206 "VHS_latentpreviewrate": 0,
5207 "VHS_MetadataImage": true,
5208 "VHS_KeepIntermediate": true,
5209 "ue_links": []
5210 },
5211 "version": 0.4
5212}