Universal LLM Node for ComfyUI

Name: Universal LLM Node for ComfyUI
Author: R5-Revo

UniversalLLMNode is a custom node for ComfyUI that provides a unified interface to use multiple major LLM APIs, including OpenAI, Anthropic (Claude), Google Gemini, Groq, and Mistral. It is ideal for tasks such as automatically generating high-quality SDXL prompts for image generation.

VRAM Requirements

Direct Answer: The ComfyUI node Universal LLM Node for ComfyUI requires a minimum base VRAM of 8192MB and is optimized for GPUs with at least 12GB of VRAM. Low VRAM mode is not supported for this node.

Very High (4-8GB)

Base VRAM:: 8192MB (8.0GB)
Recommended GPU:: 12GB+ VRAM
Low VRAM Mode:: ✗ Not supported
Estimation Confidence:: HIGH

🧮 Interactive VRAM Compatibility Estimator

1. Your GPU VRAM:

2. Base Model Weight:

3. Target Resolution:

4. ComfyUI Optimization launch argument:

Estimated Total VRAM: 3.00 GBTarget: 8 GB

✅ Comfortable Fit

Your GPU has plenty of headroom. You can run this node safely with your active configurations!

Deploy on High-Performance GPUs

Need more VRAM to run ComfyUI with this node? Rent low-cost, high-performance GPUs on Vast.ai instantly.

🚀 Deploy on Vast.ai

Deploy on Cloud GPUs

Need more VRAM to run ComfyUI with this node? Rent low-cost, high-performance cloud GPUs on RunPod instantly.

🚀 Deploy on RunPod

Python Dependencies

Direct Answer: Running Universal LLM Node for ComfyUI requires installing the following Python package dependencies: anthropic>=0.5.0, google-generativeai>=0.3.1, openai>=1.0.0. Ensure your ComfyUI environment has these packages active before launching.

requirements.txt

anthropic>=0.5.0
google-generativeai>=0.3.1
openai>=1.0.0

🛠️ Interactive Setup & Dependency Resolver

Operating System:

Environment Type:

Run this terminal command in your ComfyUI root folder:

# Loading command...

Compatible Foundations

This node is verified to support or optimize workflows for the following foundation model families:

⚡ Stable Diffusion XL (SDXL)