umt5_xxl_fp16.safetensors

Download umt5_xxl_fp16.safetensors (11.4 GB)

Where to put it

Put the file in ComfyUI/models/text_encoders/ (in the portable version: ComfyUI_windows_portable/ComfyUI/models/text_encoders/). Older guides say models/clip: that folder still works. Then press R in ComfyUI, or restart it, so the file shows up in a text-encoder loader: Load CLIP (CLIPLoader) for one encoder, DualCLIPLoader when the model takes two (FLUX.1: CLIP-L + T5-XXL).

If a workflow says “Value not in list” for this node, the file name in the workflow is different from yours, or the file is in another folder. Click the node and pick the file from the list.

What it does

A text encoder turns your prompt into numbers the model understands. It runs once per prompt, then ComfyUI can move it out of VRAM to make room for the image model — so it costs load time and system RAM more than speed.

This is the full 16-bit version. It is a little more faithful to the prompt, but needs about twice the RAM and disk of an FP8 copy. On 32 GB of RAM or less, take the smaller version if there is one.

Models that use umt5_xxl_fp16.safetensors

VRAM of the graphics card, for the model with the file this site picks for that card. Open a model to see every file and every GPU.

Other versions of this text encoder

Same encoder, different precision. Any of them works in the same loader node; pick one and select it in the node.

Not sure your card can run these models? Check your GPU. All shared files: ComfyUI model files.

Size and source read from Hugging Face (2026-10-01).