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

LTX-2.3-Workflows / Video-2-Video

Commit History

Jul 30

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May 31

22:43
Rename Video-2-Video/LTX-2.3_-_V2V_shot-to-shot-transition_Systms-FLW-lora.json to Video-2-Video/Shot-to-Shot-Transition/LTX-2.3_-_V2V_shot-to-shot-transition_Systms-FLW-lora.json

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Rename Video-2-Video/LTX-2.3_-_V2V_shot-to-shot-transition_MergeGreen-IC-Lora.json to Video-2-Video/Shot-to-Shot-Transition/LTX-2.3_-_V2V_shot-to-shot-transition_MergeGreen-IC-Lora.json

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Rename Video-2-Video/LTX-2.3_-_V2V_inpainting_Inpaint-T2V-lora_Sam2-Point-Masking.json to Video-2-Video/Inpaint/LTX-2.3_-_V2V_inpainting_Inpaint-T2V-lora_Sam2-Point-Masking.json

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Rename Video-2-Video/LTX-2.3_-_V2V_inpainting_Inpaint-T2V-lora_Sam3-Masking.json to Video-2-Video/Inpaint/LTX-2.3_-_V2V_inpainting_Inpaint-T2V-lora_Sam3-Masking.json

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May 21

19:22
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May 19

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May 16

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Rename Video-2-Video/LTX-2.3_-_V2V_Just_Talk_prompt_lipsynced-voice_to_any_video_Sam3.json to Video-2-Video/Just-Talk_add_voice_to_silent_video/LTX-2.3_-_V2V_Just_Talk_prompt_lipsynced-voice_to_any_video_Sam3.json

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Rename Video-2-Video/LTX-2.3_-_V2V_Just_Talk_prompt_lip-synced-voice_to_any_video.json to Video-2-Video/Just-Talk_add_voice_to_silent_video/LTX-2.3_-_V2V_Just_Talk_prompt_lip-synced-voice_to_any_video.json

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Rename Video-2-Video/LTX-2.3_-_V2V_Just_Talk_dub_any_silent_video_multilanguage.json to Video-2-Video/Just-Talk_add_voice_to_silent_video/LTX-2.3_-_V2V_Just_Talk_dub_any_silent_video_multilanguage.json

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Rename Video-2-Video/LTX-2.3_-_V2V_Just_Talk_custom_audio_lip-synced_to_any_video.json to Video-2-Video/Just-Talk_add_voice_to_silent_video/LTX-2.3_-_V2V_Just_Talk_custom_audio_lip-synced_to_any_video.json

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Rename Video-2-Video/LTX-2.3_-_V2V_Dub_It_lip-synced_dubbing_multilanguage.json to Video-2-Video/LTX-2.3_-_V2V_Just_Talk_dub_any_silent_video_multilanguage.json

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May 10

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00:41
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May 9

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Commit History

Jul 30

Update Video-2-Video/LTX-2.3_-_V2V_general_purpose_for_IC-Lora.json

Upload LTX-2.3_-_V2V_general_purpose_for_IC-Lora.json

Jul 21

Upload LTX-2.3_-_V2V_Foley_Add_Sound_To_Any_Video_Foley-Lora.json

Rename Video-2-Video/LTX-2.3_-_V2V_Foley_Add_Sound_To_Any_Video.json to Video-2-Video/LTX-2.3_-_V2V_Foley_Add_Sound_To_Any_Video_old_version.json

Update Video-2-Video/LTX-2.3_-_V2V_mass_remove_people_Clean-Plate-Lora.json

Upload LTX-2.3_-_V2V_Upscale-Any-Video-Pixel-Spatial-Lora.json

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Jul 15

Update Video-2-Video/LTX-2.3_-_V2V_Change_viewpoint_angle_CrossView-Lora.json

Upload LTX-2.3_-_V2V_Change_viewpoint_angle_CrossView-Lora.json

Jun 1

Update Video-2-Video/Inpaint/LTX-2.3_-_V2V_inpainting_Inpaint-T2V-lora_Sam3-Masking.json

Update Video-2-Video/Inpaint/LTX-2.3_-_V2V_inpainting_Inpaint-T2V-lora_Sam2-Point-Masking.json

May 31

Rename Video-2-Video/LTX-2.3_-_V2V_shot-to-shot-transition_Systms-FLW-lora.json to Video-2-Video/Shot-to-Shot-Transition/LTX-2.3_-_V2V_shot-to-shot-transition_Systms-FLW-lora.json

Rename Video-2-Video/LTX-2.3_-_V2V_shot-to-shot-transition_Re-Take_inpaint.json to Video-2-Video/Shot-to-Shot-Transition/LTX-2.3_-_V2V_shot-to-shot-transition_Re-Take_inpaint.json

Rename Video-2-Video/LTX-2.3_-_V2V_shot-to-shot-transition_MergeGreen-IC-Lora.json to Video-2-Video/Shot-to-Shot-Transition/LTX-2.3_-_V2V_shot-to-shot-transition_MergeGreen-IC-Lora.json

Rename Video-2-Video/LTX-2.3_-_V2V_inpainting_Inpaint-T2V-lora_Sam2-Point-Masking.json to Video-2-Video/Inpaint/LTX-2.3_-_V2V_inpainting_Inpaint-T2V-lora_Sam2-Point-Masking.json

Rename Video-2-Video/LTX-2.3_-_V2V_inpainting_Inpaint-T2V-lora_Sam3-Masking.json to Video-2-Video/Inpaint/LTX-2.3_-_V2V_inpainting_Inpaint-T2V-lora_Sam3-Masking.json

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May 22

Update Video-2-Video/LTX-2.3_-_V2V_shot-to-shot-transition_Re-Take_inpaint.json

May 21

Update Video-2-Video/LTX-2.3_-_V2V_shot-to-shot-transition_Re-Take_inpaint.json

Update Video-2-Video/LTX-2.3_-_V2V_shot-to-shot-transition_Re-Take_inpaint.json

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May 19

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May 17

Update Video-2-Video/LTX-2.3_-_V2V_shot-to-shot-transition_Re-Take_inpaint.json

Update Video-2-Video/LTX-2.3_-_V2V_shot-to-shot-transition_Re-Take_inpaint.json

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May 16

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May 11

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Rename Video-2-Video/LTX-2.3_-_V2V_Extend_Any_Video_towards_Last-Frame-image.json to Video-2-Video/Extend-Any-Video/LTX-2.3_-_V2V_Extend_Any_Video_towards_Last-Frame-image.json

Rename Video-2-Video/LTX-2.3_-_V2V_Extend_Any_Video.json to Video-2-Video/Extend-Any-Video/LTX-2.3_-_V2V_Extend_Any_Video.json

Rename Video-2-Video/LTX-2.3_-_V2V_Just_Talk_prompt_lipsynced-voice_to_any_video_Sam3.json to Video-2-Video/Just-Talk_add_voice_to_silent_video/LTX-2.3_-_V2V_Just_Talk_prompt_lipsynced-voice_to_any_video_Sam3.json

Rename Video-2-Video/LTX-2.3_-_V2V_Just_Talk_prompt_lip-synced-voice_to_any_video.json to Video-2-Video/Just-Talk_add_voice_to_silent_video/LTX-2.3_-_V2V_Just_Talk_prompt_lip-synced-voice_to_any_video.json

Rename Video-2-Video/LTX-2.3_-_V2V_Just_Talk_dub_any_silent_video_multilanguage.json to Video-2-Video/Just-Talk_add_voice_to_silent_video/LTX-2.3_-_V2V_Just_Talk_dub_any_silent_video_multilanguage.json

Rename Video-2-Video/LTX-2.3_-_V2V_Just_Talk_custom_audio_lip-synced_to_any_video.json to Video-2-Video/Just-Talk_add_voice_to_silent_video/LTX-2.3_-_V2V_Just_Talk_custom_audio_lip-synced_to_any_video.json

Rename Video-2-Video/LTX-2.3_-_V2V_Dub_It_lip-synced_dubbing_multilanguage.json to Video-2-Video/LTX-2.3_-_V2V_Just_Talk_dub_any_silent_video_multilanguage.json

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May 10

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May 9

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May 7

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