How to Install LTX 2.3 with ComfyUI (Easy Setup)
🚀 Want to create cinematic AI videos for free — even on a PC with just 8GB VRAM?
In this tutorial, I’ll guide you step-by-step on how to install ComfyUI and LTX 2.3, one of the most powerful open-source video generation engines available today.
No complicated setup, no paid tools - just a simple and complete workflow to get you started.
By the end of this video, you’ll be able to:
• Install ComfyUI (Portable version)
• Set up ComfyUI Manager and required custom nodes
• Set up LTX 2.3 and organize all necessary models
• Fix common errors like ClipTextEncode
• Run a full workflow to generate cinematic AI videos
🎯 What you’ll learn in this video
• How to download and install ComfyUI Portable
• How to update ComfyUI and install ComfyUI Manager
• How to fix missing custom nodes
• How to setup LTX 2.3 and organize all required models
• How to monitor system performance using Crystools
• How to fix common errors like ClipTextEncode
• How to run a complete workflow and generate cinematic AI videos
🎬 What you can create
With this setup, you’ll be able to create:
• Cinematic AI videos
• Story-driven scenes
• High-quality outputs up to 4K
• Fully AI-generated visuals using a free pipeline
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📥 Resources & Downloads
Workflow & Resources:
https://drive.google.com/drive/folder...
LTX2.3 Model for low VRAM 12Gb
(Place in /ComfyUI/models/diffusion_models)
https://huggingface.co/vantagewithai/...
LTX2.3 Model for VRAM 16Gb up
https://huggingface.co/Kijai/LTX2.3_c...
Text Encoder (Place in /ComfyUI/models/text_encoders)
https://huggingface.co/Comfy-Org/ltx-...
https://huggingface.co/Kijai/LTX2.3_c...
VAE (Place in /ComfyUI/models/vae)
https://huggingface.co/Kijai/LTX2.3_c...
https://huggingface.co/Kijai/LTX2.3_c...
*Tiny VAE for previews*
https://github.com/madebyollin/taehv/...
Spatial Upscaler (Place in /ComfyUI/models/latent_upscale_models)
https://huggingface.co/Lightricks/LTX...
Distilled Loras (Place in /ComfyUI/models/loras)
https://huggingface.co/Kijai/LTX2.3_c...
Camera Movement Loras (Place in /ComfyUI/models/loras)
https://github.com/Lightricks/LTX-2?t...
ComfyUI:
https://github.com/Comfy-Org/ComfyUI
ComfyUI manager:
https://github.com/Comfy-Org/ComfyUI-...