Video coming soon
Video 0Start here
ComfyUI Nodes Explained: The Basics for Beginners
What a node is, its inputs, outputs and settings, how to add, connect and arrange nodes, and your first text to image workflow with Flux 2 Klein 9B.
The practice and finished workflows for this video are coming soon.
Models
Download each file and put it in its folder.
| Model file | Size | Put it in | Download |
|---|---|---|---|
| Diffusion model pick oneflux-2-klein-9b-fp8mixed.safetensorsfp8, the one used in the video | 9.4 GB | ComfyUI/models/diffusion_models | Hugging Face |
| Diffusion model pick oneflux-2-klein-9b-int8-convrot.safetensorsint8, the one from my recent episodes | 9.4 GB | ComfyUI/models/diffusion_models | Hugging Face |
| Text encoderqwen_3_8b_fp8mixed.safetensors | 8.7 GB | ComfyUI/models/text_encoders | Hugging Face |
| VAEflux2-vae.safetensors | 336 MB | ComfyUI/models/vae | Hugging Face |
After the download, press R in ComfyUI (or restart it), so the new files show up in the loaders.
Flux 2 Klein 9B has a non-commercial license for the model itself, but the license allows you to use the images you create for any purpose, including commercial.
Chapters
Click a time to jump there on YouTube.
- Intro
- Classic Look or Nodes 2.0
- What a Node Is
- How to Add a Node
- How to Connect Nodes
- How to Change the Settings
- Move, Select, Copy and Arrange Nodes
- Remove, Bypass and Mute a Node
- Red Nodes and Custom Nodes
- Build Your First Workflow (Flux 2 Klein Text to Image)
- Run It Again and Save Your Workflow
- How It All Connects (a Painter Analogy)
- Thank You, Legends