ComfyUI-LTXVideoLoRA

A set of custom nodes enabling LoRA support for LTX Video in ComfyUI.

25.02.2025 ⭐ NEW ⭐

• Update the LTXV LoRA Loader node for the GGUF support as a generic way
• Remove useless LTXV Checkpoint Loader with LoRA node

Please refer to the quantized versions of :

• calcuis - GGUF quantized and fp8 scaled versions of LTX-Video (here)
• city96 - direct GGUF conversion of Lightricks/LTX-Video (here)

08.02.2025 - First release

• Add LoRA support as a individual LTXV LoRA Loader node > for Lightricks ComfyUI-LTXVideo
• Add LoRA support inside a LTXV Checkpoint Loader with LoRA node > for log(td) ComfyUI-LTXTricks
• Add LoRA selector node that can be chained using multiple LTXV LoRA Selector

Installation

Installation via ComfyUI-Manager

Installation via ComfyUI-Manager is preferred. Simply search for ComfyUI-LTXVideoLoRA in the list of nodes.

Manual installation

Simply clone this repository to custom-nodes folder in your ComfyUI installation directory.

Usage

LTXV LoRA with the ComfyUI-LTXVideo nodes

Caution

Because the LTXV Loader official node use a specific model structure, you need to put the ltxv_loader_as_input option as true.

LTXV LoRA with the ComfyUI-LTXTricks nodes

Note

Here the input node can be the 'Load Diffusion Model' node or the 'Load Checkpoint' node as well.

LTXV LoRA with the GGUF Loader nodes

Tip

As you can see, you can use the GGUF with the LoRA loader followed by the modified LTX model by log(td)'s LTXTricks nodes.

LoRA Training

For a blazing fast training of your LTXV LoRA you can use:

• a-r-r-o-w's finetrainers (here)

Credit and greetings

The main code is inspired by:

• comfyanonymous ComfyUI (here)
• Lightricks ComfyUI-LTXVideo (here)
• log(td) ComfyUI-LTXTricks (here)
• kijai ComfyUI-HunyuanVideoWrapper (here) for the LoRA Selector / Block Edit nodes.