Model Information

LTX2.3 FP4 - Image 1
LTX2.3 FP4 - Image 2
LTX2.3 FP4 - Image 3
LTX2.3 FP4 - Image 4
LTX2.3 FP4 - Image 5

Description

LTX2.3 FP4 Models

Because no one uploads FP4 here. and they should (fp4 works on 3xxx and above for vram savings.)

6 Version's Available.

LTX2.3 Distilled FP4ME - Distilled FP4 Mixed Extreme - 14.1GB**
LTX2.3 Full Dev FP4ME - Full Dev FP4 Mixed Extreme - 14.1GB**
LTX2.3 Official NVFP4 - From Lightricks - Updated 3/17/2026 - 21GB
LTX2.3 Dev NVFP4 - from Hippotes / LTX-2.3-various-formats - 18.15GB
LTX2.3 Dev FP4 STFO - from Kijai's Transformers only Scaled FP8 - 16.63GB**
LTX2.3 Distilled FP4 - My first FP4 - Transformers Only - 18.15GB**

** Are transformers only, or I broke vae/text projection :) needs seperate Vae and Text projection downloads.

Diffusion model loader/unet loader seems to get confused with these, use the checkpoint loader even though it has no clip/vae