CivArchive
    LTX-2.3 22B GGUF / Safetensors 12GB VRAM ComfyUI Workflow T2V, I2V, A2V FLF, LipSync Audio #ltx23 #ltx #comfyui - v1.2

    Always load Random Images for Both First Frame and Last Frame, Load random audio file in audio loader (it wont get used, unless you activate the options)


    Please Watch Entire Tutorial Before using the Workflow.

    www.youtube.com/watch?v=bxGQp2kylqk


    Essential Requirement

    added "Llama-CPP-Python_Windows(No_Deps).bat" file and double click it for auto installation.

    or

    X:\XXX\ComfyUI_Windows_Portable\ComfyUI\python_embeded\python.exe -m pip install llama-cpp-python

    or

    X:\XXX\ComfyUI_Windows_Portable\ComfyUI\python_embeded\python.exe -m pip install https://github.com/JamePeng/llama-cpp-python/releases/download/xxx_xxx.whl

    install correct version of llama-cpp-python wheel

    https://github.com/JamePeng/llama-cpp-python/releases/


    Before opening the workflow, please update/download following Nodes

    https://github.com/monnky/ComfyUI-RT-LTX2-RareTools

    https://github.com/kijai/ComfyUI-KJNodes

    https://github.com/Lightricks/ComfyUI-LTXVideo

    https://github.com/city96/ComfyUI-GGUF

    https://github.com/yolain/ComfyUI-Easy-Use

    https://github.com/M1kep/ComfyLiterals

    Description

    v 1.2

    FAQ

    Comments (14)

    skpManiacMar 18, 2026
    CivitAI

    This looks amazing!
    To keep things clean would you suggest a standalone Comfy for LTX?

    Thanks mate, your work is as ever, really appreciated.

    khaledmohammedpy387Mar 19, 2026
    CivitAI

    first time to comment ever, is for you man, this is Awesome, i hope you can also make the Motion Control Version Also

    tiktokviralpumpfun376Mar 19, 2026
    CivitAI

    I'm having a problem with the comment nodes on your YouTube video; I'm getting the same error.

    ArtificialOtakuMar 19, 2026
    CivitAI

    I just updated ComfyUI to 0.17... do you think I should be able to run your workflow?

    sdktertiaire2Mar 20, 2026
    CivitAI

    hello thank you, this workflow is great.

    trebiMar 23, 2026
    CivitAI

    v1.2 I keep getting an error at the "Load audio" node, regardless of whether the audio switch is set to true or false. Debug: Custom validation failed for node, audio - Invalid audio file: 15004c1a-7406-38dd-620d-5354060330c6.wav

    MegasherruMar 24, 2026
    CivitAI

    Another Workflow that does not work.
    Switches dont work.

    T2V - True
    First/Last Frame - False
    Custom Audio - False

    Still asks me to add each section marked as false.
    Cant bypass them, another error then comes up.

    wallmonster151Mar 24, 2026· 2 reactions

    The switches work for me. The issue that was throwing me off is the image and audio nodes have to be linked to something even if they are not used. If the switch says false the node appears active but the image or audio in the switched off node is not referenced.

    3836299Mar 24, 2026· 2 reactions

    you have to fill all the image nodes, audio nodes first even if you won't use them

    ukjames007Apr 18, 2026
    CivitAI

    rtx nodes not installing and a big fat X

    fakolonyaApr 21, 2026

    I installed Llama-CPP-Python_Windows in the description and it worked for me.
    try going into your custom_nodes>ComfyUI-RT-LTX2-RareTools
    find Llama-CPP-Python_Windows(No_Deps).bat and double click. It will install automaticly. Restart comfyui.

    fakolonyaApr 21, 2026
    CivitAI

    Works great thank you!!
    I wish generation would be faster tho. 12gb vram with 32 gb ram. Using 2.3 22b distilled 4QKM gguf.

    5 sec upscaled final>1920p video took close to 8mins.

    I would love to have faster generation (2-3mins with lower quality) then upscale the good ones with some other fast workflow too. If anyone have suggestion I would appriciate that.

    or I can bypass second pass generation to make it fast but eventually do I have to rerun whole process with same seed to get upscaled video?

    nozilanozilaApr 28, 2026

    what setting ration did you used it?
    Low Vram : 640 x 360 -> Final Video after Upscale : 1280 x 720 (720p HD)

    Mid Vram : 960 x 544 -> Final Video after Upscale : 1920 x 1088 (Full HD)

    High Vram : 1280 x 704 -> Final Video after Upscale : 2560 x 1408 (2K)

    V. High Vram : 1920 x 1024 -> Final Video after Upscale : 3840 x 2048 (4K)

    fakolonyaApr 29, 2026

    @nozilanozila 960x544 with final 1920x1080.

    Workflows
    LTXV 2.3

    Details

    Downloads
    2,005
    Platform
    CivitAI
    Platform Status
    Available
    Created
    3/18/2026
    Updated
    5/4/2026
    Deleted
    -