stablediffusiontutorials/LTX_workflows
Install LTX 2.3 Video+Audio Gen-GGUF/FP8/BF16 (Setup+workflow) Tutorial:๐ 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:๐ 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": 271,5 "last_link_id": 609,6 "nodes": [7 {8 "id": 75,9 "type": "SaveVideo",10 "pos": [11 430,12 353013 ],14 "size": [15 660,16 47017 ],18 "flags": {19 "collapsed": false20 },21 "order": 4,22 "mode": 0,23 "inputs": [24 {25 "name": "video",26 "type": "VIDEO",27 "link": 59428 }29 ],30 "outputs": [],31 "properties": {32 "enableTabs": false,33 "tabWidth": 65,34 "tabXOffset": 10,35 "hasSecondTab": false,36 "secondTabText": "Send Back",37 "secondTabOffset": 80,38 "secondTabWidth": 65,39 "cnr_id": "comfy-core",40 "ver": "0.5.1",41 "Node name for S&R": "SaveVideo"42 },43 "widgets_values": [44 "video/LTX_2.3_t2v",45 "auto",46 "auto"47 ]48 },49 {50 "id": 269,51 "type": "LoadImage",52 "pos": [53 -440,54 353055 ],56 "size": [57 400,58 47059 ],60 "flags": {},61 "order": 0,62 "mode": 0,63 "inputs": [],64 "outputs": [65 {66 "name": "IMAGE",67 "type": "IMAGE",68 "links": [69 60970 ]71 },72 {73 "name": "MASK",74 "type": "MASK",75 "links": null76 }77 ],78 "properties": {79 "enableTabs": false,80 "tabWidth": 65,81 "tabXOffset": 10,82 "hasSecondTab": false,83 "secondTabText": "Send Back",84 "secondTabOffset": 80,85 "secondTabWidth": 65,86 "cnr_id": "comfy-core",87 "ver": "0.16.3",88 "Node name for S&R": "LoadImage"89 },90 "widgets_values": [91 "example.png",92 "image"93 ]94 },95 {96 "id": 103,97 "type": "MarkdownNote",98 "pos": [99 -1220,100 3530101 ],102 "size": [103 734.4791666666667,104 1067.2786458333335105 ],106 "flags": {},107 "order": 1,108 "mode": 0,109 "inputs": [],110 "outputs": [],111 "title": "Model Links",112 "properties": {},113 "widgets_values": [114 "- 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```\n๐ ComfyUI/\nโโโ ๐ models/\nโ โโโ ๐ latent_upscale_models/\nโ โ โโโ ltx-2.3-spatial-upscaler-x2-1.0.safetensors\nโ โโโ ๐ checkpoints/\nโ โ โโโ ltx-2.3-22b-dev-fp8.safetensors\nโ โ โโโ ltx-2.3-22b-dev.safetensors\nโ โโโ ๐ loras/\nโ โ โโโ ltx-2.3-22b-distilled-lora-384.safetensors\nโ โโโ ๐ text_encoders/\nโ โโโ gemma_3_12B_it_fp4_mixed.safetensors\nโ โโโ 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)"115 ],116 "color": "#222",117 "bgcolor": "#000"118 },119 {120 "id": 270,121 "type": "MarkdownNote",122 "pos": [123 -440,124 4070125 ],126 "size": [127 400,128 140129 ],130 "flags": {},131 "order": 2,132 "mode": 0,133 "inputs": [],134 "outputs": [],135 "title": "Note: Image Input",136 "properties": {},137 "widgets_values": [138 "You need to upload an image even for the **Text to Video** generation."139 ],140 "color": "#222",141 "bgcolor": "#000"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 (optional)",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 594225 ]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 "Dynamic cinematic close-up of high-tech modular machinery self-assembling in midair, precision robotic parts, magnetic connectors, and glowing circuits clicking together, subtle smoke and light flares, extremely detailed titanium textures. 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