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353.43125, 58 ], "flags": {}, "order": 53, "mode": 0, "inputs": [ { "name": "model", "type": "MODEL", "link": 354 } ], "outputs": [ { "name": "MODEL", "type": "MODEL", "links": [ 351 ] } ], "properties": { "cnr_id": "comfyui-kjnodes", "ver": "a3ac6cf47a745ce1b7bfb3dffc02e1c77a1dc12b", "Node name for S&R": "ModelMemoryUsageFactorOverride", "ue_properties": { "widget_ue_connectable": { "memory_usage_factor": true }, "version": "7.5.2", "input_ue_unconnectable": {} } }, "widgets_values": [ 0.04 ] }, { "id": 166, "type": "GetNode", "pos": [ -91.97854294279243, 294.9778309979842 ], "size": [ 210, 60 ], "flags": { "collapsed": true }, "order": 13, "mode": 0, "inputs": [], "outputs": [ { "name": "CLIP", "type": "CLIP", "links": [ 365 ] } ], "title": "Get_clip", "properties": { "ue_properties": { "widget_ue_connectable": {}, "version": "7.5.2", "input_ue_unconnectable": {} } }, "widgets_values": [ "clip" ], "color": "#432", "bgcolor": "#653" }, { "id": 150, "type": "LTX2MemoryEfficientSageAttentionPatch", "pos": [ -2000.019659285603, 530.3853132450239 ], "size": [ 275.18334045410154, 26 ], "flags": { "collapsed": false }, "order": 55, "mode": 0, "inputs": [ { "name": "model", "type": "MODEL", "link": 351 } ], "outputs": [ { "name": "model", "type": "MODEL", "links": [ 350 ] } ], "properties": { "cnr_id": "comfyui-kjnodes", "ver": "a5e66ce5510c9b3bf984c43a22014cefae4bd044", "Node name for S&R": "LTX2MemoryEfficientSageAttentionPatch", "ue_properties": { "widget_ue_connectable": {}, "version": "7.5.2", "input_ue_unconnectable": {} } }, "widgets_values": [] }, { "id": 141, "type": "DualCLIPLoaderGGUF", "pos": [ -3372.0766195612896, 979.1682818014708 ], "size": [ 464.78177047216855, 128.14642774935464 ], "flags": {}, "order": 14, "mode": 4, "inputs": [], "outputs": [ { "name": "CLIP", "type": "CLIP", "links": [] } ], "properties": { "cnr_id": "comfyui-gguf", "ver": "1.1.10", "Node name for S&R": "DualCLIPLoaderGGUF", "ue_properties": { "widget_ue_connectable": {}, "input_ue_unconnectable": {}, "version": "7.5.2" } }, "widgets_values": [ "LTX-2\\gemma-3-12b-it-Q6_K.gguf", "LTX-2\\ltx-2-19b-embeddings_connector_dev_bf16.safetensors", "ltxv" ], "color": "#432", "bgcolor": "#653" }, { "id": 164, "type": "SetNode", "pos": [ -2290.6234486513663, 873.4791091937233 ], "size": [ 210, 50 ], "flags": { "collapsed": true }, "order": 37, "mode": 0, "inputs": [ { "name": "CLIP", "type": "CLIP", "link": 368 } ], "outputs": [ { "name": "*", "type": "*", "links": null } ], "title": "Set_clip", "properties": { "previousName": "", "ue_properties": { "widget_ue_connectable": {}, "version": "7.5.2", "input_ue_unconnectable": {} } }, "widgets_values": [ "clip" ], "color": "#432", "bgcolor": "#653" }, { "id": 149, "type": "PathchSageAttentionKJ", "pos": [ -2018.0468257630075, 660.0401559073207 ], "size": [ 270, 82 ], "flags": {}, "order": 56, "mode": 0, "inputs": [ { "name": "model", "type": "MODEL", "link": 350 } ], "outputs": [ { "name": "MODEL", "type": "MODEL", "links": [ 352 ] } ], "properties": { "cnr_id": "comfyui-kjnodes", "ver": "204f6d5aae73b10c0fe2fb26e61405fd6337bb77", "Node name for S&R": "PathchSageAttentionKJ", "ue_properties": { "widget_ue_connectable": { "sage_attention": true, "allow_compile": true }, "version": "7.5.2", "input_ue_unconnectable": {} } }, "widgets_values": [ "auto", false ] }, { "id": 163, "type": "DualCLIPLoader", "pos": [ -2816.398232033778, 958.1284423691268 ], "size": [ 478.8229382589643, 130 ], "flags": {}, "order": 15, "mode": 0, "inputs": [], "outputs": [ { "name": "CLIP", "type": "CLIP", "links": [ 368 ] } ], "properties": { "cnr_id": "comfy-core", "ver": "0.8.2", "Node name for S&R": "DualCLIPLoader", "ue_properties": { "widget_ue_connectable": {}, "version": "7.5.2", "input_ue_unconnectable": {} } }, "widgets_values": [ "LTX-2\\gemma_3_12B_it_fp8_e4m3fn.safetensors", "LTX-2\\ltx-2-19b-embeddings_connector_dev_bf16.safetensors", "ltxv", "default" ], "color": "#432", "bgcolor": "#653" }, { "id": 140, "type": "Note", "pos": [ -807.1810991180919, -301.0025249959788 ], "size": [ 646.7505902687252, 439.81098073462124 ], "flags": {}, "order": 16, "mode": 0, "inputs": [], "outputs": [], "properties": { "ue_properties": { "widget_ue_connectable": {}, "version": "7.5.2", "input_ue_unconnectable": {} } }, "widgets_values": [ "# Phr00t's notes - this was based on his vrs 1 or 2 original and I leave his notes in here as he is worth checking out on github for more workflows (- MarkDKBerry Feb 2026)\n\n\n---\n\nThis workflow is messy as shit, but LTX kinda requires that.\n\nMake sure all of these nodes are installed and updated:\nComfy-KJNodes (LTX improvements)\nComfy-LTXVideo (core nodes)\nVideoHelperSuite (core video)\nFill-Nodes (simplifies config + fast interpolation)\n\nDefaults are \"first to last\" generation. Bypass the \"Last Image\" to the right and set LTXVAddGuideMulti \"Number of Guides\" to 1 if just doing I2V \"First Frame\".\n\n(when using FF and LF set frame_idx_1 to 0 and frame_idx_2 to -1)\n\nBypass the whole top group for T2V.\n\nModify stuff below to specify what kind of video you want to generate.\n\nYou shouldn't need to touch anything in the middle blue section, which contains all of the best settings and optimizations I could find.\n\nThe audio concat stuff is to support \"ping pong\" video output to add audio and double video length for looping purposes (better than silence imho).\n\nThe \"ImageFrameSelect\" config can help cut off strange frames near the end if its not using your \"last frame\" correctly.\n\nGood luck, this model is pretty neat." ], "color": "#432", "bgcolor": "#653" }, { "id": 169, "type": "GetNode", "pos": [ -49.2406834587376, 882.4929050851888 ], "size": [ 210, 60 ], "flags": {}, "order": 17, "mode": 0, "inputs": [], "outputs": [ { "name": "VAE", "type": "VAE", "links": [ 373, 374 ] } ], "title": "Get_audio_vae", "properties": { "ue_properties": { "widget_ue_connectable": {}, "version": "7.5.2", "input_ue_unconnectable": {} } }, "widgets_values": [ "audio_vae" ], "color": "#322", "bgcolor": "#533" }, { "id": 98, "type": "Reroute", "pos": [ 442.09078443759506, -130.79319659513376 ], "size": [ 75, 26 ], "flags": {}, "order": 39, "mode": 0, "inputs": [ { "name": "", "type": "*", "link": 375 } ], "outputs": [ { "name": "", "type": "VAE", "links": [ 231 ] } ], "properties": { "showOutputText": false, "horizontal": false, "ue_properties": { "widget_ue_connectable": {}, "version": "7.5.2", "input_ue_unconnectable": {} } } }, { "id": 102, "type": "LTXVAddGuideMulti", "pos": [ 734.5702800642464, -305.45344594506344 ], "size": [ 300.611328125, 254 ], "flags": {}, "order": 52, "mode": 0, "inputs": [ { "name": "positive", "type": "CONDITIONING", "link": 229 }, { "name": "negative", "type": "CONDITIONING", "link": 230 }, { "name": "vae", "type": "VAE", "link": 231 }, { "name": "latent", "type": "LATENT", "link": 237 }, { "label": "image_1", "name": "num_guides.image_1", "type": "IMAGE", "link": 232 }, { "name": "num_guides.strength_1", "type": "FLOAT", "widget": { "name": "num_guides.strength_1" }, "link": 238 }, { "label": "image_2", "name": "num_guides.image_2", "type": "IMAGE", "link": 377 } ], "outputs": [ { "name": "positive", "type": "CONDITIONING", "links": [ 283, 295 ] }, { "name": "negative", "type": "CONDITIONING", "links": [ 284, 296 ] }, { "name": "latent", "type": "LATENT", "links": [ 236 ] } ], "properties": { "cnr_id": "comfyui-kjnodes", "ver": "1.2.6", "Node name for S&R": "LTXVAddGuideMulti", "ue_properties": { "widget_ue_connectable": { "num_guides.strength_1": true, "num_guides.strength_2": true }, "version": "7.5.2", "input_ue_unconnectable": {} } }, "widgets_values": [ "2", 0, 1, -1, 1 ] }, { "id": 138, "type": "FL_RIFE", "pos": [ 1410.015365341624, 291.0222198741093 ], "size": [ 281.7359375, 106 ], "flags": {}, "order": 69, "mode": 4, "inputs": [ { "name": "images", "type": "IMAGE", "link": 337 }, { "name": "multiplier", "type": "INT", "widget": { "name": "multiplier" }, "link": 340 } ], "outputs": [ { "name": "IMAGE", "type": "IMAGE", "links": [ 338 ] } ], "properties": { "cnr_id": "comfyui_fill-nodes", "ver": "2.2.3", "Node name for S&R": "FL_RIFE", "ue_properties": { "widget_ue_connectable": { "multiplier": true }, "version": "7.5.2", "input_ue_unconnectable": {} } }, "widgets_values": [ "rife49", 2, false ], "color": "#16727c", "bgcolor": "#4F0074" }, { "id": 17, "type": "VHS_VideoCombine", "pos": [ 1768.2514770271614, 256.61459512230357 ], "size": [ 442.11925795410434, 334 ], "flags": {}, "order": 71, "mode": 4, "inputs": [ { "name": "images", "type": "IMAGE", "link": 338 }, { "name": "audio", "shape": 7, "type": "AUDIO", "link": null }, { "name": "meta_batch", "shape": 7, "type": "VHS_BatchManager", "link": null }, { "name": "vae", "shape": 7, "type": "VAE", "link": null }, { "name": "frame_rate", "type": "FLOAT", "widget": { "name": "frame_rate" }, "link": 132 }, { "name": "filename_prefix", "type": "STRING", "widget": { "name": "filename_prefix" }, "link": 172 } ], "outputs": [ { "name": "Filenames", "type": "VHS_FILENAMES", "links": null } ], "properties": { "cnr_id": "comfyui-videohelpersuite", "ver": "1.7.9", "Node name for S&R": "VHS_VideoCombine", "ue_properties": { "widget_ue_connectable": { "frame_rate": true, "filename_prefix": true }, "version": "7.5.2", "input_ue_unconnectable": {} } }, "widgets_values": { "frame_rate": 40, "loop_count": 0, "filename_prefix": "AnimateDiff", "format": "video/h264-mp4", "pix_fmt": "yuv420p", "crf": 19, "save_metadata": true, "trim_to_audio": false, "pingpong": false, "save_output": true, "videopreview": { "hidden": false, "paused": false, "params": { "filename": "LTX2-FFLF_48fps__00002.mp4", "subfolder": "", "type": "output", "format": "video/h264-mp4", "frame_rate": 48, "workflow": 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S&R": "PrimitiveString", "ue_properties": { "widget_ue_connectable": {}, "version": "7.5.2", "input_ue_unconnectable": {} } }, "widgets_values": [ "LTX2-FFLF_48fps_" ] }, { "id": 147, "type": "VHS_VideoCombine", "pos": [ 1532.6436666032655, 969.0720338316279 ], "size": [ 442.11925795410434, 580.1655918747574 ], "flags": {}, "order": 70, "mode": 0, "inputs": [ { "name": "images", "type": "IMAGE", "link": 346 }, { "name": "audio", "shape": 7, "type": "AUDIO", "link": 348 }, { "name": "meta_batch", "shape": 7, "type": "VHS_BatchManager", "link": null }, { "name": "vae", "shape": 7, "type": "VAE", "link": null } ], "outputs": [ { "name": "Filenames", "type": "VHS_FILENAMES", "links": null } ], "properties": { "cnr_id": "comfyui-videohelpersuite", "ver": "1.7.9", "Node name for S&R": "VHS_VideoCombine", "ue_properties": { "widget_ue_connectable": { "frame_rate": true, "filename_prefix": true }, "version": "7.5.2", "input_ue_unconnectable": {} } }, "widgets_values": { "frame_rate": 24, 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{ "id": 129, "type": "VAEDecodeTiled", "pos": [ 389.44222770366713, 894.172749250909 ], "size": [ 270, 150 ], "flags": {}, "order": 66, "mode": 0, "inputs": [ { "name": "samples", "type": "LATENT", "link": 339 }, { "name": "vae", "type": "VAE", "link": 376 } ], "outputs": [ { "name": "IMAGE", "type": "IMAGE", "links": [ 315 ] } ], "properties": { "cnr_id": "comfy-core", "ver": "0.9.2", "Node name for S&R": "VAEDecodeTiled", "ue_properties": { "widget_ue_connectable": {}, "version": "7.5.2", "input_ue_unconnectable": {} } }, "widgets_values": [ 512, 64, 64, 16 ] }, { "id": 168, "type": "LTX2SamplingPreviewOverride", "pos": [ -1130.4211356568587, 1393.318540086205 ], "size": [ 316.7017578125, 98 ], "flags": {}, "order": 60, "mode": 0, "inputs": [ { "name": "model", "type": "MODEL", "link": 371 }, { "name": "latent_upscale_model", "shape": 7, "type": "LATENT_UPSCALE_MODEL", "link": null }, { "name": "vae", "shape": 7, "type": "VAE", "link": null } ], "outputs": [ { "name": "MODEL", "type": "MODEL", "links": [ 372 ] } ], "properties": { "cnr_id": "comfyui-kjnodes", "ver": "0ea5ece1793263d9fb0ad97bb067f96b83a9dea3", "Node name for S&R": "LTX2SamplingPreviewOverride", "ue_properties": { "widget_ue_connectable": {}, "version": "7.5.2", "input_ue_unconnectable": {} } }, "widgets_values": [ 8 ] }, { "id": 167, "type": "Note", "pos": [ -419.7104742563829, 193.54754719132265 ], "size": [ 237.22184732768358, 88 ], "flags": {}, "order": 21, "mode": 0, "inputs": [], "outputs": [], "properties": { "ue_properties": { "widget_ue_connectable": {}, "version": "7.5.2", "input_ue_unconnectable": {} } }, "widgets_values": [ "test: 480x277 (350 seconds)\nmid: 832 x 480 (11 minutes)\nfull: 1280x720 (13 to 15 mins)" ], "color": "#432", "bgcolor": "#653" }, { "id": 6, "type": "CLIPTextEncode", "pos": [ 72.64325360205092, 453.52014410449897 ], "size": [ 422.84503173828125, 164.31304931640625 ], "flags": { "collapsed": true }, "order": 43, "mode": 0, "inputs": [ { "name": "clip", "type": "CLIP", "link": 365 }, { "name": "text", "type": "STRING", "widget": { "name": "text" }, "link": 160 } ], "outputs": [ { "name": "CONDITIONING", "type": "CONDITIONING", "slot_index": 0, "links": [ 25, 182 ] } ], "properties": { "cnr_id": "comfy-core", "ver": "0.9.2", "Node name for S&R": "CLIPTextEncode", "ue_properties": { "widget_ue_connectable": { "text": true }, "version": "7.5.2", "input_ue_unconnectable": {} } }, "widgets_values": [ "" ] }, { "id": 171, "type": "Note", "pos": [ -1149.0779515861882, 1529.9793191583312 ], "size": [ 345.5939198606775, 101.77691215561254 ], "flags": {}, "order": 22, "mode": 0, "inputs": [], "outputs": [], "properties": { "ue_properties": { "widget_ue_connectable": {}, "version": "7.5.2", "input_ue_unconnectable": {} } }, "widgets_values": [ "This makes the preview work in the node it connects to. Disable it if you dont want that. but it helps to see what is being created so can cancel early if motion is going wrong." ], "color": "#432", "bgcolor": "#653" }, { "id": 155, "type": "LTX2_NAG", "pos": [ -1357.2169930291832, 883.9610669792546 ], "size": [ 270, 170 ], "flags": {}, "order": 59, "mode": 0, "inputs": [ { "name": "model", "type": "MODEL", "link": 356 }, { "name": "nag_cond_video", "shape": 7, "type": "CONDITIONING", "link": 357 }, { "name": "nag_cond_audio", "shape": 7, "type": "CONDITIONING", "link": 358 } ], "outputs": [ { "name": "model", "type": "MODEL", "links": [ 371 ] } ], "properties": { "cnr_id": "comfyui-kjnodes", "ver": "93a4fba44c1635a716dc262f157a7ded7d716f3a", "Node name for S&R": "LTX2_NAG", "ue_properties": { "widget_ue_connectable": { "nag_scale": true, "nag_alpha": true, "nag_tau": true }, "version": "7.5.2", "input_ue_unconnectable": {} } }, "widgets_values": [ 11, 0.25, 2.106, true ] }, { "id": 110, "type": "Reroute", "pos": [ 772.7901103249743, 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