CivArchive

    Welcome to my 💫🎦 Friendly LTX-2 T2V+I2V+Lipsync

    LTX-2.3 better in everything! Coming soon...

    ✨ Less mess, more magic

    UniVibe - Lipsync all-in one version with HQ TTS VibeVoice model is released.

    New v1.2 with simplified model loading, with quality and perfomance improvements.

    LTX-2 is a new video generation model with 19b parameters under the hood. This is the first DiT-based (Diffusion Transformer) foundation model that generates synchronized audio and video simultaneously in a single pass! It supports native 4K resolution at up to 50 FPS, providing cinematic-grade fidelity suitable for professional VFX and film production and it is capable of generating clips up to 10–20 seconds with consistent style and motion.

    💻 System requirements:

    • Minimum system requirements for 540p i2v and 720p t2v:

    RTX 3000-s, 8GB+ VRAM, 45GB+ RAM, 8-core processor, SSD, latest ComfyUI

    🚀 Low VRAM optional optimization:

    • For systems with low VRAM use --reserve-vram ComfyUI parameter in run_nvidia_gpu.bat: --reserve-vram 4 (or other number in GB).

    📌 Detailed tips and links to models in the workflow

    Workflow features:

    • Extremely user-friendly interface

    • Maximum performance and optimization from 8GB of VRAM: GGUF or 8-step distilled model with fp4 or fp8 text encoder + MultiGPU memory optimization

    • All-in-one: i2v, t2v, and interpolation

    • Convenient one-click mode switching

    • Generation time setting in seconds

    • Lora support (up to 3)

    • Detailed tips and links to all necessary models

    • Manual random seed for complete control over generations

    🤗🙏🏼 Thanks to Lightricks Team

    Original repo — GitHub

    Description

    • One of the best LTX-2 workflows becomes simply the best friendly workflow

    • Simplified model loading system. Choose the mode you need: Dev, Distilled or GGUF. Now you can combine Dev Model with GGUF Clip and vice versa

    • Optimizations for better quality and perfomance

    • All important nodes have been updated

    • Bugs and errors have been fixed

    • Updated detailed tips in the workflow

    • Latest ComfyUI and KJ nodes required

    FAQ

    Comments (2)

    ersozler106Mar 18, 2026
    CivitAI

    UniVibe - HQ TTS VibeVoice modelini yüklerken sürekli hata alıyorum. çözümü nedir acaba. Nightly rtx 5080 kullanıyorum.

    RusselX
    Author
    Mar 25, 2026

    @ersozler106 Hello! Yes, I confirm this error. It occurred because the node hasn't been updated in a while and doesn't work on the latest versions of ComfyUI. You can use workflow without it if you turn off voice generation. But you can still use your custom audio

    Workflows
    LTXV2

    Details

    Downloads
    482
    Platform
    CivitAI
    Platform Status
    Available
    Created
    2/28/2026
    Updated
    5/13/2026
    Deleted
    -

    Files

    friendlyLTX2T2VI2V_univibeV12Lipsync.zip

    friendlyLTX2T2VI2V_univibeV12Lipsync.zip