ComfyUI Cheatsheet

Q: How do I install and run ComfyUI?

Clone `git clone https://github.com/comfyanonymous/ComfyUI.git`, install deps, then `python main.py`. Access the web UI at `http://localhost:8188`. For remote access, add `--listen 0.0.0.0`.

Q: How do I install custom nodes?

Use `python -m comfy node install comfyui-manager` for CLI, or use ComfyUI Manager from the web UI. Custom nodes go in the `custom_nodes/` directory. Restart ComfyUI after installation.

Q: How do I download models?

Place models in the `models/checkpoints/` directory, or use `python -m comfy model download --url `. SDXL, SD 1.5, and FLUX models all go in the same directory.

ComfyUI is a node-based workflow tool for Stable Diffusion image generation. Compose models, prompts, samplers, and more via a visual node graph. Also provides CLI and API for automation.

Updated: 2026-07-20·11 commands

Quick Start

``bash git clone https://github.com/comfyanonymous/ComfyUI.git cd ComfyUI pip install -r requirements.txt python main.py

# Web UI at http://localhost:8188 # For remote access: python main.py --listen 0.0.0.0 --port 8188``

Startup & Modes(6)

Command	Level	Example
`git clone https://github.com/comfyanonymous/ComfyUI` Clone ComfyUI source	Basic	`git clone https://github.com/comfyanonymous/ComfyUI.git`
`python main.py --cpu` Force CPU inference (when no GPU available)	Intermediate	`python main.py --cpu`
`python main.py --force-fp16` Force FP16 precision	Intermediate	`python main.py --force-fp16`
`python main.py --output-directory` Specify output directory	Basic	`python main.py --output-directory /data/comfyui-outputs`
`python -m comfy --help` Show ComfyUI CLI help	Basic	`python -m comfy --help`
`python -m comfy node install` Install a custom node	Intermediate	`python -m comfy node install comfyui-manager`

ai-server(4)

Command	Level	Example
`python main.py` Start ComfyUI (in ComfyUI directory)	Basic	`python main.py`
`python main.py --port` Specify server port	Basic	`python main.py --port 8188`
`python main.py --listen` Listen on all network interfaces (remote access)	Intermediate	`python main.py --listen 0.0.0.0`
`curl http://localhost:8188/api/v1/queue` Check ComfyUI task queue	Intermediate	`curl -s http://localhost:8188/api/v1/queue`

ai-model(1)

Command	Level	Example
`python -m comfy model download` Download a specific model	Intermediate	`python -m comfy model download --url https://huggingface.co/runwayml/stable-diffusion-v1-5`

FAQ

How do I install and run ComfyUI?

How do I install custom nodes?

How do I download models?

This cheatsheet is compiled from official tool documentation. Last updated: 2026-07-20.