stablediffusiontutorials/LTX_workflows
Install LTX 2.3 Video+Audio Gen-GGUF/FP8/BF16 (Setup+workflow) Tutorial:👇 https://www.stablediffusiontutorials.com/2026/03/ltx-2.3-video-audio-gen.html Install LTX 2 Video+Audio Gen -GGUF/FP8/BF16(Setup+workflow) Tutorial:👇 https://www.stablediffusiontutorials.com/2026/01/ltx2-video-generation.html
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1{2 "id": "07824bbb-6672-4bb0-ac36-4313a519e35b",3 "revision": 0,4 "last_node_id": 273,5 "last_link_id": 610,6 "nodes": [7 {8 "id": 269,9 "type": "LoadImage",10 "pos": [11 -440,12 353013 ],14 "size": [15 400,16 47017 ],18 "flags": {},19 "order": 0,20 "mode": 0,21 "inputs": [],22 "outputs": [23 {24 "name": "IMAGE",25 "type": "IMAGE",26 "links": [27 60928 ]29 },30 {31 "name": "MASK",32 "type": "MASK",33 "links": null34 }35 ],36 "properties": {37 "enableTabs": false,38 "tabWidth": 65,39 "tabXOffset": 10,40 "hasSecondTab": false,41 "secondTabText": "Send Back",42 "secondTabOffset": 80,43 "secondTabWidth": 65,44 "cnr_id": "comfy-core",45 "ver": "0.16.3",46 "Node name for S&R": "LoadImage"47 },48 "widgets_values": [49 "egyptian_queen.png",50 "image"51 ]52 },53 {54 "id": 272,55 "type": "MarkdownNote",56 "pos": [57 -10,58 408059 ],60 "size": [61 400,62 16063 ],64 "flags": {65 "collapsed": false66 },67 "order": 1,68 "mode": 0,69 "inputs": [],70 "outputs": [],71 "title": "About Size",72 "properties": {},73 "widgets_values": [74 "Width & height settings must be divisible by 32 + 1. \nFrame count must be divisible by 8 + 1. \n\n\nRunning with invalid parameters **will not cause errors**. Instead, the flow will silently choose the closest valid parameters. \n\nBy default, we are using 720p resolution. You can try 1920*1088 if you have a powerful GPU."75 ],76 "color": "#222",77 "bgcolor": "#000"78 },79 {80 "id": 103,81 "type": "MarkdownNote",82 "pos": [83 -1220,84 353085 ],86 "size": [87 734.4791666666667,88 1067.278645833333589 ],90 "flags": {},91 "order": 2,92 "mode": 0,93 "inputs": [],94 "outputs": [],95 "title": "Model Links",96 "properties": {},97 "widgets_values": [98 "- 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**latent_upscale_models**\n\n- [ltx-2.3-spatial-upscaler-x2-1.0.safetensors](https://huggingface.co/Lightricks/LTX-2.3/resolve/main/ltx-2.3-spatial-upscaler-x2-1.0.safetensors)\n\n**checkpoints**\n\n- BF16: [ltx-2.3-22b-dev.safetensors](https://huggingface.co/Lightricks/LTX-2.3/resolve/main/ltx-2.3-22b-dev.safetensors)\n- FP8: [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-lora-384.safetensors](https://huggingface.co/Lightricks/LTX-2.3/resolve/main/ltx-2.3-22b-distilled-lora-384.safetensors)\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)\n\n\n## Model Storage Location\n\n```\n📂 ComfyUI/\n├── 📂 models/\n│ ├── 📂 latent_upscale_models/\n│ │ └── ltx-2.3-spatial-upscaler-x2-1.0.safetensors\n│ ├── 📂 checkpoints/\n│ │ ├── ltx-2.3-22b-dev-fp8.safetensors\n│ │ └── ltx-2.3-22b-dev.safetensors\n│ ├── 📂 loras/\n│ │ └── ltx-2.3-22b-distilled-lora-384.safetensors\n│ └── 📂 text_encoders/\n│ ├── gemma_3_12B_it_fp4_mixed.safetensors\n│ └── ltx-2-19b-embeddings_connector_dev_bf16.safetensors\n```\n\n## Report other issues\n\nNote: please update ComfyUI first ([guide](https://docs.comfy.org/installation/update_comfyui)) and prepare required models. Desktop/Cloud will be update after the stable builds; nightly-supported models may not be included yet, please wait for the update.\n\n- Cannot run / runtime errors: [ComfyUI/issues](https://github.com/comfyanonymous/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)"99 ],100 "color": "#222",101 "bgcolor": "#000"102 },103 {104 "id": 273,105 "type": "SaveVideo",106 "pos": [107 430,108 3530109 ],110 "size": [111 820,112 480113 ],114 "flags": {},115 "order": 4,116 "mode": 0,117 "inputs": [118 {119 "name": "video",120 "type": "VIDEO",121 "link": 610122 }123 ],124 "outputs": [],125 "properties": {126 "enableTabs": false,127 "tabWidth": 65,128 "tabXOffset": 10,129 "hasSecondTab": false,130 "secondTabText": "Send Back",131 "secondTabOffset": 80,132 "secondTabWidth": 65,133 "cnr_id": "comfy-core",134 "ver": "0.16.3",135 "Node name for S&R": "SaveVideo"136 },137 "widgets_values": [138 "video/LTX_2.3_i2v",139 "auto",140 "auto"141 ]142 },143 {144 "id": 267,145 "type": "b94257db-cdc1-45d3-8913-ca61e782d9c1",146 "pos": [147 -10,148 3530149 ],150 "size": [151 400,152 470153 ],154 "flags": {},155 "order": 3,156 "mode": 0,157 "inputs": [158 {159 "label": "First frame",160 "name": "input",161 "type": "IMAGE,MASK",162 "link": 609163 },164 {165 "label": "disable_i2v",166 "name": "value_1",167 "type": "BOOLEAN",168 "widget": {169 "name": "value_1"170 },171 "link": null172 },173 {174 "label": "width",175 "name": "value_2",176 "type": "INT",177 "widget": {178 "name": "value_2"179 },180 "link": null181 },182 {183 "label": "height",184 "name": "value_3",185 "type": "INT",186 "widget": {187 "name": "value_3"188 },189 "link": null190 },191 {192 "label": "length",193 "name": "value_4",194 "type": "INT",195 "widget": {196 "name": "value_4"197 },198 "link": null199 },200 {201 "label": "distilled_lora",202 "name": "lora_name",203 "type": "COMBO",204 "widget": {205 "name": "lora_name"206 },207 "link": null208 },209 {210 "label": "latent_upscale_model",211 "name": "model_name",212 "type": "COMBO",213 "widget": {214 "name": "model_name"215 },216 "link": null217 }218 ],219 "outputs": [220 {221 "name": "VIDEO",222 "type": "VIDEO",223 "links": [224 610225 ]226 }227 ],228 "properties": {229 "proxyWidgets": [230 [231 "-1",232 "value"233 ],234 [235 "-1",236 "value_1"237 ],238 [239 "-1",240 "value_2"241 ],242 [243 "-1",244 "value_3"245 ],246 [247 "-1",248 "value_4"249 ],250 [251 "237",252 "noise_seed"253 ],254 [255 "237",256 "control_after_generate"257 ],258 [259 "-1",260 "ckpt_name"261 ],262 [263 "-1",264 "text_encoder"265 ],266 [267 "-1",268 "model_name"269 ],270 [271 "-1",272 "lora_name"273 ]274 ],275 "enableTabs": false,276 "tabWidth": 65,277 "tabXOffset": 10,278 "hasSecondTab": false,279 "secondTabText": "Send Back",280 "secondTabOffset": 80,281 "secondTabWidth": 65,282 "cnr_id": "comfy-core",283 "ver": "0.16.3"284 },285 "widgets_values": [286 "Egyptian royal in blue-and-gold headdress and high collar, white dress with golden embroidery and armbands, desert, robot soldiers in formation left and right. 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