Instructions to use RuneXX/LTX-2.3-Workflows with libraries, inference providers, notebooks, and local apps. Follow these links to get started.

Libraries

How to use RuneXX/LTX-2.3-Workflows with LTX-2:

# Install the LTX-2 pipelines
git clone https://github.com/Lightricks/LTX-2.git
cd LTX-2
uv sync --extra natten

# Download weights from this repo
# Substitute filenames from this repo's "Files and versions" if they differ
hf download RuneXX/LTX-2.3-Workflows \
    diffusion_models/<distilled-transformer>.safetensors \
    text_encoders/gemma4-12b-with-proj-ltx-2.5-bf16.safetensors \
    vae/<video-vae>.safetensors \
    vae/<audio-vae>.safetensors \
    latent_upscale_models/<spatial-upsampler>.safetensors \
    latent_upscale_models/<temporal-upsampler>.safetensors \
    --local-dir models/LTX-2.3-Workflows
# DFR requires the detailing IC-LoRA (separate repo; strength is fixed at 0.5)
hf download Lightricks/LTX-2.5-22b-IC-LoRA-Pixel-Spatial-Upscaler --local-dir models/LTX-2.5-22b-IC-LoRA-Pixel-Spatial-Upscaler

# Distilled LTX-2.5 pipeline (fast)
uv run python -m ltx_pipelines.distilled \
    --transformer-path models/LTX-2.3-Workflows/diffusion_models/<distilled-transformer>.safetensors \
    --text-encoder-path models/LTX-2.3-Workflows/text_encoders/gemma4-12b-with-proj-ltx-2.5-bf16.safetensors \
    --video-vae-path models/LTX-2.3-Workflows/vae/<video-vae>.safetensors \
    --audio-vae-path models/LTX-2.3-Workflows/vae/<audio-vae>.safetensors \
    --spatial-upsampler-path models/LTX-2.3-Workflows/latent_upscale_models/<spatial-upsampler>.safetensors \
    --num-frames 121 \
    --prompt "A beautiful sunset over the ocean" \
    --output-path output.mp4
# For image-to-video, add: --image path/to/image.jpg 0 0.8

# DFR pipeline (higher detail fidelity; optional temporal 2x/4x)
uv run python -m ltx_pipelines.dfr_pipeline \
    --transformer-path models/LTX-2.3-Workflows/diffusion_models/<distilled-transformer>.safetensors \
    --text-encoder-path models/LTX-2.3-Workflows/text_encoders/gemma4-12b-with-proj-ltx-2.5-bf16.safetensors \
    --video-vae-path models/LTX-2.3-Workflows/vae/<video-vae>.safetensors \
    --audio-vae-path models/LTX-2.3-Workflows/vae/<audio-vae>.safetensors \
    --spatial-upsampler-path models/LTX-2.3-Workflows/latent_upscale_models/<spatial-upsampler>.safetensors \
    --temporal-upsampler-path models/LTX-2.3-Workflows/latent_upscale_models/<temporal-upsampler>.safetensors \
    --detailing-lora models/LTX-2.5-22b-IC-LoRA-Pixel-Spatial-Upscaler/ltx-2.5-22b-ic-lora-pixel-spatial-upscaler-x2-1.0.safetensors \
    --spatial-upscalings 1 \
    --temporal-upscalings 1 \
    --height 1088 \
    --width 1920 \
    --num-frames 121 \
    --prompt "A beautiful sunset over the ocean" \
    --output-path output.mp4
# For 4K: --spatial-upscalings 2 --width 3840 --height 2176
# For image-to-video, add: --image path/to/image.jpg 0 0.8

Notebooks
Google Colab
Kaggle

RuneXX commited on May 5

Commit

e7f091c

verified ·

1 Parent(s): dc78f37

Update LTX-2.3_-_I2V_T2V_Basic_for_checkpoint_models.json

Browse files

Files changed (1) hide show

LTX-2.3_-_I2V_T2V_Basic_for_checkpoint_models.json +47 -47

LTX-2.3_-_I2V_T2V_Basic_for_checkpoint_models.json CHANGED Viewed

@@ -4963,7 +4963,7 @@
         "Node name for S&R": "LTXVAudioVAELoader"
       },
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-        "ANIME SEMI\\amanomix_Fp16Pruned.safetensors"
       ],
       "color": "#1f1f48",
       "bgcolor": "rgba(24,24,27,.9)",
@@ -5010,7 +5010,7 @@
       },
       "widgets_values": [
         "gemma_3_12B_it_fp8_scaled.safetensors",
-        "ANIME SEMI\\amanomix_Fp16Pruned.safetensors",
         "default"
       ],
       "color": "#1f1f48",
@@ -5149,54 +5149,13 @@
         "Node name for S&R": "CheckpointLoaderSimple"
       },
       "widgets_values": [
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       "color": "#1f1f48",
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-      "inputs": [],
-      "outputs": [
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-          "type": "COMBO",
-          "widget": {
-            "name": "ckpt_name"
-          },
-          "links": [
-            4727,
-            4728,
-            4729
-          ]
-        }
-      ],
-      "title": "LTX Checkpoint Model",
-      "properties": {
-        "Run widget replace on values": false
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-      "widgets_values": [
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@@ -5238,6 +5197,47 @@
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@@ -6757,10 +6757,10 @@
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         "Node name for S&R": "LTXVAudioVAELoader"
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         "default"
       ],
       "color": "#1f1f48",
         "Node name for S&R": "CheckpointLoaderSimple"
       },
       "widgets_values": [
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       "ndPowerEnabled": false
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     {
       "id": 370,
       "type": "PathchSageAttentionKJ",
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+      "order": 60,
+      "mode": 0,
+      "inputs": [],
+      "outputs": [
+        {
+          "name": "COMBO",
+          "type": "COMBO",
+          "widget": {
+            "name": "ckpt_name"
+          },
+          "links": [
+            4727,
+            4728,
+            4729
+          ]
+        }
+      ],
+      "title": "LTX Checkpoint Model",
+      "properties": {
+        "Run widget replace on values": false
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+      "widgets_values": [
+        "VIDEO\\LTX\\LTX-2\\ltx-2.3-22b-dev-fp8.safetensors",
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