CivArchive
    FLUX2 Klein_9b Pro Grade Workflow (High & Low VRAM), w/ Controlnet, GGUF capable - V9.0 Upgrades
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    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


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

    Buy me a☕ https://ko-fi.com/lonecatone

    This represents hundreds of hours of work that I give away for free. If you enjoy it, Please make sure to 👍like and post to my workflows. That is how you support me. Also, feel free to ⚡tip 😉


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

    LC123 Nodes: https://github.com/lonecatone23/ComfyUI_LC123_nodes

    也有中文说明

    V9.0

    Brought this workflow up to speed with my latest updates:

    Sigmas:

    • The old sigma scheduler was set for Krea2. I updated it for this, adjusted settings, and improved choices

    Lighting Control:

    • Added my ighting control module which allows you to adjust teh directions of light and shadows after the image is generated

    🎨 Post Processing:

    • Brought this up to speed with my new nodes and modifications

    Ver 8.0

    Major overhaul

    • literally built custom nodes for this.

    • Updated Image area

    • Better controlnet

    • better latent recognition

    • Completly redone Sampler group

    • Improved LLM

    • Redid teh detailers

    • LC123 Post production Suite.

    • Better Save nodes.

    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 enhancers 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 2 Klein Model & Text encoder

    Klein 4b

    Klein 9b

    VAE (for both)

    Description

    V9.0

    Broght this workflow up to speed with my latest updates:

    Sigmas:

    • The old sigma scheduler was set for Krea2. I updated it for this, adjusted settings, and improved choices

    Lighting Control:

    • Added my ighting control module which allows you to adjust teh directions of light and shadows after the image is generated

    🎨 Post Processing:

    • Brought this up to speed with my new nodes and modifications

    FAQ

    Workflows
    Flux.2 Klein 9B

    Details

    Downloads
    146
    Platform
    CivitAI
    Platform Status
    Available
    Created
    8/30/2026
    Updated
    9/2/2026
    Deleted
    -

    Files

    flux2Klein9bProGradeWorkflowHigh_v90Upgrades.json