FLUX2 Klein_9b Pro Grade Workflow (High & Low VRAM), w/ Controlnet, GGUF capable

This is an advanced workflow designed for people familar with Comfyui and who want pro grade results. I encourage you to learn it, but if it is overwhelming, the simple version can be found HERE

A complete user and troubleshooting guide inclusing a list of common error messages can be found here https://civitai.com/articles/24678/how-to-use-my-workflows-a-comprehensive-breakdown

Each Flux model has it's own combination of text encoders. Read the notes carefully. You will get MATT errors of it is incorrect.

也有中文说明

Ver 6.0

• Controlnet/ Image reference area, gut & rebuild:

  • you can now set the image ratio based on your original image. Huge timesaver for Controlnet & I2I

  • Base image 🖼️ controls everything, so no need to set multiple images

  • You can even use it as a color reference in post processing

• Better Prompt generator (Florence)

• Huge update to detailers. I basically yanked them out and replaced them with my V5 units.

  • You an use Flux or use an SDXL based model to detail. Just switch it.

• Updated 🎨 post production suite that includes realism engancers and an inline crop tool

• Updated the main area

• Huge update to 🗒️notes.

Ver 5.0

• Added controlnet

• Added a sentence remover to prevent CivitAi Flags

Ver 4.0

• Total overhaul

• Optimized for Klein_9b

• Options to control the scheduler

• Upgraded detailers

• Upgraded Post Production Suite

  • 📷 Optical Realism upgrade

  • Arcane Bloom FX

  • LensFX

  • ClarityFX

  • 也有中文说明

Flux 2D I2I, T2I, Upscaler, Detailers, and a hefty Post Production Suite

• Optimized for Klein as well as Flux 2D

  • Include the Klein Enhancer (Similar to a detail daemon) to improve the quality of the Quant images

• Prompt Assist

• Allows up to 10 images to be loaded for reference

• Ultimate Upscaler package

• Seed VR2 Upscaler

• Face, Hand, Eye, and Expression Detailers

• Add lighting, color correction , and specicl effects after generation in the Post Production Suite

Flux 2D Base Model

• Flux 2D Model (You have to agree to their terms first):https://huggingface.co/black-forest-labs/FLUX.2-dev/tree/main

• Flux 2D GGUF Model https://huggingface.co/gguf-org/flux2-dev-gguf/tree/main

• Flux 2D Mistral text endoders https://huggingface.co/Comfy-Org/flux2-dev/tree/main/split_files/text_encoders

• Flux 2Dev Turbo Lora https://civitai.com/models/2266313/flux2-dev-turbo-lora?modelVersionId=2550958

Flux 2 Klein Model & Text encoder

Klein 4b

• Text Encoder qwen_3_4b.safetensors

• Flux 2 Klein diffusion_model Flux-2-klein-base-4b-fp8.safetensors

Klein 9b

• Text Encoder Qwen_3_8b.safetensors

• Flux 2 Klein 9b FLUX.2-klein-9B

VAE (for both)

• VAE flux2-vae.safetensors

Instagram: https://www.instagram.com/synth.studio.models/

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This represents hundreds of hours of work. If you enjoy it, please 👍like, 💬 comment , and feel free to ⚡tip 😉