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    flux2_klein-i2i_T2i_simple_workflow - v1.0
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    flux2_klein-i2i_T2i_workflow

    (image edit and text to image)

    A very simple workflow using

    ComfyUI-PainterFluxImageEdit node.

    Edit up to 3 images and switch between Text to Image.

    Note: If you want to specify the image size using images, please use images 2 and 3 to specify the size for "T2i Latant".


    Bypassing all images results in T2i and brown Latant is enabled.

    When using image-edit, be sure to enable it from image1


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    Requirements

    ComfyUI ver. 0.9.2 or higher

    flux2_klein

    Models

    flux-2-klein-4b-fp8.safetensors

    or other FLUX.2-klein models (Excluding FLUX.2 [dev])

    FLUX.2 - a black-forest-labs Collection

    text_encoders

    https://huggingface.co/Comfy-Org/flux2-klein/resolve/main/split_files/text_encoders/qwen_3_4b.safetensors

    VAE

    https://huggingface.co/Comfy-Org/flux2-dev/resolve/main/split_files/vae/flux2-vae.safetensors


    Use Custom Node
    https://github.com/princepainter/Comfyui-PainterFluxImageEdit?tab=readme-ov-file#comfyui-painterfluximageedit

    https://github.com/rgthree/rgthree-comfy#----rgthree-comfy--------making-comfyui-more-comfortable----

    Description

    FAQ

    Comments (6)

    orangeflyingmonkey_837Jan 22, 2026· 2 reactions
    CivitAI

    I keep getting a ksampler error - mat1 and mat2 shapes cannot be multiplied (512x7680 and 12288x409

    ukr8b3g201
    Author
    Jan 23, 2026

    I confirmed the error with ComfyUI v0.9.1.

    I updated to ComfyUI v0.9.2 and confirmed it worked.

    I've updated the recommendation to v0.9.2 or higher. Sorry for the inconvenience.

    ukr8b3g201
    Author
    Jan 23, 2026

    The operating environment is RTX2060 12GB and system memory 32GB.

    darthprincessFeb 5, 2026

    qwen3 4b or 8b

    Eva033Apr 3, 2026· 3 reactions
    CivitAI

    I really like your workflow. The buttons you added allow flexible use of 1, 2, or 3 images to generate pictures. But I found two issues: First, the versions of the nodes are somewhat outdated, and updating to the latest versions improves both performance and speed; Second, when generating images using only 1 or 2 images, how can the final image size be controlled? Manually entering the size doesn’t work. So can you tell me how to adjust it?

    ukr8b3g201
    Author
    Apr 4, 2026

    To Eva033:

    I confirmed that updating the Painter Flux Image Edit node significantly speeds up the generation process.

    In that case, please specify the size of "T2i Latant" using images 2 and 3. Since "T2i Latant" is enabled when all images are turned OFF, I didn't anticipate and therefore didn't explain how to control image size using images. This is because the size is obtained from the image in image 1.

    Thank you for providing the information.

    Workflows
    Flux.2 Klein 4B

    Details

    Downloads
    2,048
    Platform
    CivitAI
    Platform Status
    Available
    Created
    1/20/2026
    Updated
    5/4/2026
    Deleted
    -

    Files

    flux2KleinI2iT2i_v10.zip

    Mirrors

    Huggingface (1 mirrors)
    CivitAI (1 mirrors)

    flux2KleinI2iT2i_v10.zip

    Mirrors

    CivitAI (1 mirrors)

    flux2KleinI2iT2i_v10.zip

    Mirrors

    CivitAI (1 mirrors)

    flux2KleinI2iT2i_v10.zip

    Mirrors

    CivitAI (1 mirrors)