LTX-2 full installation tutorial. How to use LTX-2 in ComfyUI with low vram. Best open source video generator. #ai #aitools #aivideo #veo #sora

LTX-2 official repo: https://github.com/Lightricks/LTX-2
ComfyUI LTX-2 - download nodes here: https://github.com/Lightricks/ComfyUI-LTXVideo/
Download LTX-2 models here: https://huggingface.co/Lightricks/LTX-2/tree/main
Use this Gemma version instead - it’s WAY smaller https://huggingface.co/unsloth/gemma-3-12b-it-bnb-4bit/tree/main
LTX-2 loras: https://huggingface.co/collections/Lightricks/ltx-2

If you don’t have ComfyUI, see this tutorial first https://youtu.be/g74Cq9Ip2ik

0:00 LTX-2 intro
0:44 LTX-2 open source specs
3:14 How to install LTX-2 in ComfyUI
6:44 Full vs distilled workflows
8:06 Distilled lora 
9:15 Downloading models
13:31 Text to video workflow
15:15 How to use on low or no VRAM
18:45 How to use loras
21:05 Image to video
25:41 How to use controlnet
34:55 V2V detailer


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YouTube

LTX2 is a new open-source AI video generator that supports native audio, 4K resolution, and runs on low VRAM (as low as 2GB). The model offers text-to-video and image-to-video capabilities, supports LoRAs for customization, includes ControlNet for composition control, and features a built-in upscaler. Installation is done through ComfyUI with both full and distilled model options. The distilled version generates faster at 4-8 steps versus 20 steps for the full model. Key features include 10-20 second video generation, dialogue synthesis with accents, and the ability to offload processing to RAM when VRAM is limited. The tutorial covers installation, model downloads, workflow setup, optimization techniques, LoRA integration, ControlNet usage for pose/edge/depth transfer, and video upscaling.

New #1 open-source AI video generator is here! Fast + 4K + audio + low vram