Flux.2 Klein Image Edit Workflow — V2.0

Flux.2 Klein Image Edit Workflow — V2.0 is a ComfyUI workflow for editing a loaded image with Flux.2 Klein 4B; it takes an image, text conditioning, a seed, and random noise, and can save an edited or upscaled image.

The workflow encodes and decodes images through VAE stages, samples with noise and seed controls, and includes comparison, upscaling, and saving stages.

V2.0 includes an upscaler path using ImageUpscaleWithModel and UpscaleModelLoader.

Named stages include LoadImage, CLIPTextEncode, RandomNoise, Seed (rgthree), and ReferenceLatent for image, text, noise, seed, and reference-latent handling.

The workflow includes VAEDecode, ImageUpscaleWithModel, Image Comparer (rgthree), and SaveImage for decoding, upscaling, comparison, and saving.

Install the listed custom nodes: ComfyUI-Manager, rgthree-comfy, and ComfyUI-GGUF.

To prepare it, place the diffusion model in .../ComfyUI/models/diffusion_models/, the text encoder in .../ComfyUI/models/text_encoders/, and the VAE in .../ComfyUI/models/vae/.

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The workflow lists these model files: 4x_foolhardy_Remacri.pth, flux-2-klein-4b-BF16.gguf, flux-2-klein-4b-fp8.safetensors, flux2-vae.safetensors, and qwen_3_4b.safetensors.

It lists these node packs: rgthree-comfy and comfyui-gguf.

For the distilled setup, use 4 steps, CFG 1.0, and the Euler sampler.

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The setup lists flux2-klein-4b or other diffusion-model versions, qwen_3__4b or qwen_3__8b as text encoders, and flux2-vae as the VAE.

Before setup, verify that flux2-vae.safetensors is the intended file for the Flux.2 Klein 4B VAE folder named in the setup.

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Before setup, verify the package that provides comfyui-gguf and the exact file for qwen_3_4b.safetensors.

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