English Guides

ComfyUI tutorials organized by the job you need to finish.

Use the English library as a structured map: install ComfyUI, make one successful image, organize model files, then handle common workflow and error cases.

42English guides
7Content areas
2Language versions
Model Basics

Model Basics guides

Beginner

What Is a Checkpoint in ComfyUI?

A plain-English explanation of ComfyUI checkpoints, how they define image style and capability, and how SD1.5, SDXL, and Flux differ.

8 minUpdated 2026-05-18
Beginner

How to Download Civitai Models for ComfyUI

Check model type, base model, license, and destination folder before downloading Civitai checkpoints, LoRA, VAE, or ControlNet files.

12 minUpdated 2026-05-18
Beginner

Complete ComfyUI Model Folder List

A complete reference for ComfyUI model folders, covering checkpoints, LoRA, VAE, ControlNet, upscale models, embeddings, CLIP, and CLIP Vision.

9 minUpdated 2026-05-18
Advanced

ComfyUI ControlNet Low VRAM Guide

Use ControlNet in ComfyUI with low VRAM settings for 8GB GPUs, SDXL ControlNet workflows, Canny, Depth, OpenPose, weight tuning, and CUDA out of memory prevention.

15 minUpdated 2026-05-18
Beginner

ComfyUI Flux vs SDXL vs SD1.5: VRAM Model Choice

Choose between Flux, SDXL, and SD1.5 in ComfyUI by 4GB, 6GB, 8GB, and 12GB VRAM limits, SDXL 8GB settings, Flux VRAM requirements, ControlNet compatibility, and CUDA out of memory risk.

9 minUpdated 2026-05-18
Beginner

What Is LoRA in ComfyUI?

Understand what LoRA does in ComfyUI, where to place LoRA files, how trigger words and weights work, and why base-model compatibility matters.

8 minUpdated 2026-05-18
Beginner

ComfyUI Model Not Showing in Dropdown

Fix ComfyUI model not showing in dropdown, checkpoint not showing, LoRA dropdown empty, VAE dropdown empty, refresh issues, and extra_model_paths confusion.

8 minUpdated 2026-05-18
Beginner

ComfyUI Model File Paths

A practical map of where to put ComfyUI checkpoints, LoRA, VAE, ControlNet, upscale models, CLIP Vision files, and other model assets.

5 minUpdated 2026-05-18
Beginner

ComfyUI SDXL 8GB VRAM vs SD1.5

Choose between SD1.5 and SDXL in ComfyUI by VRAM budget, 8GB GPU limits, SDXL low VRAM settings, ControlNet compatibility, LoRA family matching, and CUDA out of memory risk.

8 minUpdated 2026-05-18
Beginner

What Is VAE in ComfyUI?

Understand what VAE does in ComfyUI, why it affects color and detail, where VAE files belong, and how to fix gray or washed-out images.

6 minUpdated 2026-05-18
Error Fixes

Error Fixes guides

Beginner

ComfyUI Model Troubleshooting

A symptom-based ComfyUI model troubleshooting hub for SD1.5 vs SDXL, model folders, empty dropdowns, load errors, shape mismatch, and VRAM failures.

12 minUpdated 2026-05-18
Beginner

Fix Broken Plugins After Updating ComfyUI

Recover from import failed errors, missing nodes, startup failures, and dependency conflicts after a ComfyUI or custom-node update.

11 minUpdated 2026-05-18
Beginner

ComfyUI CUDA Out of Memory Fix Hub

Diagnose ComfyUI CUDA out of memory by failure stage: 8GB VRAM settings, SDXL vs SD1.5 model choice, ControlNet memory pressure, upscale failures, low VRAM mode, and background VRAM usage.

12 minUpdated 2026-05-18
Advanced

Fix Custom Nodes Import Failed in ComfyUI

Diagnose ComfyUI custom node import failures by reading terminal logs, installing dependencies, checking Python environments, and resolving version conflicts.

12 minUpdated 2026-05-18
Beginner

Fix Git Is Not Recognized on Windows

Fix the Windows git is not recognized error by installing Git, checking PATH, restarting the terminal, and verifying ComfyUI Manager installation.

8 minUpdated 2026-05-18
Beginner

Fix ComfyUI Manager Installation Failed

Resolve ComfyUI Manager installation failures caused by missing Git, network issues, wrong custom_nodes folders, plugin loading problems, or restart mistakes.

10 minUpdated 2026-05-18
Beginner

Fix Missing Nodes in ComfyUI

Resolve missing nodes after importing a ComfyUI workflow by using Manager, matching node package names, installing dependencies, and restarting safely.

10 minUpdated 2026-05-18
Beginner

Fix ComfyUI Model Load Failed

Troubleshoot ComfyUI model load failed errors including invalid header, shape mismatch, size mismatch, pickle data was truncated, file not found, and CUDA out of memory.

10 minUpdated 2026-05-18
Beginner

Fix No Module Named Errors in ComfyUI

Fix Python dependency errors in ComfyUI custom nodes by installing requirements in the correct environment and checking dependency versions.

8 minUpdated 2026-05-18
Beginner

Fix ComfyUI Port 8188 Not Opening

Fix ComfyUI page-not-opening and port-occupied problems by checking whether the server started, whether port 8188 is busy, and whether a firewall blocked access.

6 minUpdated 2026-05-18
Advanced

Fix Torch and CUDA Version Mismatch in ComfyUI

Fix ComfyUI PyTorch and CUDA mismatch errors by understanding the difference between system CUDA Toolkit and the CUDA runtime bundled with PyTorch.

12 minUpdated 2026-05-18