SOTAI

Flux 2 Klein: The FASTEST Model for Low VRAM PCs (ComfyUI Workflow) (Patreon)

Published:

2026-01-29 18:36:58

Imported:

2026-06

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Downloads

Flux2 Klein 4B Image Editing - SOTAI .json
Flux2 Klein 4B Text-to-Image - SOTAI .json

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Content

Video tutorial: https://youtu.be/yNf-KmC4Bis

In this video, I introduce Flux 2 Klein – the latest model from Black Forest Labs designed specifically for speed and efficiency. I'll show you how to generate hyper-realistic images and edit them using a single workflow on a low VRAM setup.

🔥 Key Features Covered:

- Insane Speed: Render 2K images in seconds.

- Low VRAM Friendly: Optimized for consumer GPUs.

- All-in-One: Generate and Edit in one model.

⚙️ Build Workflow

Step 1 - Install the custom node
- Install KJNodes node: https://github.com/kijai/ComfyUI-KJNodes
- Install ComfyUILiterals node: https://github.com/M1kep/ComfyLiterals
Step 2 - Download the model and place it in the correct folder
- https://huggingface.co/black-forest-labs/FLUX.2-klein-4B/blob/main/flux-2-klein-4b.safetensors
  - Place the file in: "models/unet"
- https://huggingface.co/unsloth/FLUX.2-klein-4B-GGUF/tree/main
  - Place the file in "models/unet"
- https://huggingface.co/Comfy-Org/z_image_turbo/blob/main/split_files/text_encoders/qwen_3_4b.safetensors
  - Place the file in: "models/text_encoders
- https://huggingface.co/Comfy-Org/flux2-dev/blob/main/split_files/vae/flux2-vae.safetensors
  - Place the file in: "models/vae"
Full workflow in the attachments.

Files

Previews only

Flux 2 Klein: The FASTEST Model for Low VRAM PCs (ComfyUI Workflow)

Flux 2 Klein: The FASTEST Model for Low VRAM PCs (ComfyUI Workflow) Is Flux Dev too slow for your PC? Do you struggle with VRAM limitations? In this video, I introduce Flux 2 Klein – the latest model from Black Forest Labs designed specifically for speed and efficiency. I'll show you how to generate hyper-realistic images and edit them using a single workflow on a low VRAM setup. We will test the Flux 2 Klein 4B version, which is incredibly lightweight but delivers insane quality. Say goodbye to long render times! 🔥 Key Features Covered: - Insane Speed: Render 2K images in seconds. - Low VRAM Friendly: Optimized for consumer GPUs. - All-in-One: Generate and Edit in one model. 🔗 Related Videos: - Wan2.2 Animate workflow: [https://youtu.be/tkGVhU5hhiI] - Wan2.2 low VRAM : [https://youtu.be/WU9rr04_D4Y?si=pYVwjFfPoF6W8Kut] - ComfyUI tutorials: [ https://www.youtube.com/playlist?list=PLPb4yHX_Xwzf4oY77qD1zxW_zExbh3bXw] 📌 All Workflow: https://www.patreon.com/c/SOTAI Don't forget to WHACK that like button if you find this helpful! Subscribe for more AI tools & workflows. #Flux2Klein #FluxKlein #ComfyUI #LowVRAM