Flux.2-Klein Image To Image editing — v2.0 — v4.0

Use this ComfyUI workflow with FLUX.2 Klein to generate images from text prompts or edit reference images; it offers identity guidance and produces a generated or edited image.

The workflow includes image-loading paths for inpainting, face cropping, outpainting, and background removal, along with image-editing and identity-guidance nodes.

For image editing, provide a prompt and one or more reference images; version 4 describes choosing new dimensions for the resulting image.

The workflow includes nodes to preview and save generated images.

The author reports using ComfyUI with a 16 GB VRAM card and says missing nodes should install without major issues.

The listed ComfyUI node packs are comfyui-crystools, comfyui-easy-use, comfyui-flux2klein-enhancer, comfyui-imgnr-utils, comfyui-n-nodes, comfyui-rmbg, facerestore_cf, gguf, and rgthree-comfy.

Listed model files include Flux2klein/flux-2-klein-9b-turbo-fp8.safetensors, klein_snofs_v1_4.safetensors, and Qwen3_8b_abliterated_v2-fp8mixed.safetensors.

Other listed model files are RealESRGAN_x2plus.pth and vae_flux.2-klein_diffusion_pytorch_model.safetensors.

Version 4 adds controls for choosing output dimensions when editing an image; the included Markdown notes cover the details.

You can bypass the included upscaling step when you do not want to use it.

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The author warns that prompt weights such as (word:weight) may cause visual artifacts, distorted colors, or missing elements.

The author says facial resemblance can be limited with this workflow.