The workflows are based on the extracted models from
https://huggingface.co/Kijai/LTX2.3_comfy
The extracted models might run easier on your computer (as separate files).
(but you can easily swap out the model loader for the ComfyUI default model loader if you want to load the checkpoint with "all in one" vae built-in etc)
If you are unsure where to put the files see
here
-
https://github.com/kijai/ComfyUI-KJNodes (NB! Must be up to date for LTX-2 support)
-
https://github.com/city96/ComfyUI-GGUF (NB! Must be up to date for LTX-2 support)
-
ComfyUI itself must be updated to very latest
For ComfyUI's new "app mode" some to try here:
https://huggingface.co/WanApp