models/LCM-LoRA Weights - Stable Diffusion Acceleration Module - LCM for SD 1.5

LCM-LoRA Weights - Stable Diffusion Acceleration Module - LCM for SD 1.5

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7/10/2025
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4:43:57 AM
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Recommended Parameters

samplers

Euler a

steps

3

cfg

1 - 1.5

Tips

Use LCM-LoRA alongside any SDXL or SD 1.5 model for acceleration.

Set CFG value approximately to 1.5 and steps to 3 for optimal speed and quality.

On high-end GPUs like Nvidia RTX 4090, image generation happens nearly instantaneously.

Basic LCM ComfyUI workflow and training images are available in a zip format.

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Read more about LCM-LoRA acceleration module in the LCM-LoRA Technical Report.

Download official models here: LCM-LoRA SDXL and LCM-LoRA SD 1.5.

LCM-LoRA - Acceleration Module!


Tested with ComfyUI, although I hear it's working with Auto1111 now!

Step 1) Download LoRA

Step 2) Add LoRA alongside any SDXL Model (or 1.5 model, if using the SD 1.5 version)

Step 3) Set CFG to ~1.5 and Steps to 3

Step 4) Generate images in ~<1 second (instantaneously on a 4090)

Basic LCM Comfy workflow attached as "Training Images" in zip format.

Read more about the concept here;
https://github.com/luosiallen/latent-consistency-model/blob/main/LCM-LoRA%20Technical%20Report/LCM-LoRA-Technical-Report.pdf

Original HF link - SDXL; https://huggingface.co/latent-consistency/lcm-lora-sdxl/tree/main

Original HF link - SD 1.5; https://huggingface.co/latent-consistency/lcm-lora-sdv1-5

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Model Details

Model type

LORA

Base model

SD 1.5

Model version

LCM for SD 1.5

Model hash

8f90d840e0

Creator

Discussion

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Model Collection - LCM-LoRA Weights - Stable Diffusion Acceleration Module