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User quantizes LTX-2.5 Gemma-4 12B text encoder for ComfyUI

A user has developed a quantized version of the LTX-2.5 Gemma-4 12B text encoder, specifically optimized for ComfyUI. This new NVFP4 format reduces VRAM usage and functions as a direct replacement for the original encoder, with no apparent loss in quality. The user has shared the model on Hugging Face and is seeking feedback, particularly comparisons with the official INT8 ConvRot encoder. AI

IMPACT This optimization could lead to more efficient use of VRAM for users running Stable Diffusion models on ComfyUI, potentially enabling larger models or faster inference on less powerful hardware.

RANK_REASON User-developed optimization of an existing model for a specific tool.

Read on r/StableDiffusion →

AI-generated summary · Google Gemini · from 1 sources. How we write summaries →

User quantizes LTX-2.5 Gemma-4 12B text encoder for ComfyUI

COVERAGE [1]

  1. r/StableDiffusion TIER_2 English(EN) · /u/superPussyman ·

    Built an NVFP4 version of the LTX-2.5 Gemma-4 12B text encoder for ComfyUI.

    <table> <tr><td> <a href="https://www.reddit.com/r/StableDiffusion/comments/1vuoe1i/built_an_nvfp4_version_of_the_ltx25_gemma4_12b/"> <img alt="Built an NVFP4 version of the LTX-2.5 Gemma-4 12B text encoder for ComfyUI." src="https://external-preview.redd.it/e9u0C7QsmGNdR23nkgNoD…