Original link: https://sololo.xyz/article/23-basic-workflow-flux2-klein-i2i-v22-4-in-1-image-editing

This workflow supports FLUX.2 klein in both 4B and 9B versions.

It’s a 4-in-one workflow that includes Single Image Editing, Inpainting with Mask, Multi-Image Reference, and Single Image Outpainting.

So far, FLUX2 Klein remains my top choice for locally deployed image editing. Since publishing Basic Workflow: FLUX.2-klein I2I v2.0 | 4-in-1 image editing, I’ve been using this workflow consistently and discovered a few minor bugs during use. This update mainly includes:

1. Fixed a bug where content replacement was not obvious enough during multi-image editing.

2. Added LoRA support. This workflow has been tested on ComfyUI 0.15.1. If you were previously using v2.0, you can simply replace it with this version. No additional plugins or nodes are required.

The overall layout of the workflow is basically the same as before.

A LoRA Loader has been added to the lower-left corner. You can use different LoRAs for image editing when needed.

All other functions remain the same as in v2.0.

The bug affecting partial content replacement on Image 1 during multi-image reference editing has been fixed. Good results can now be achieved whether or not a LoRA is used.

If you’re only replacing the face or part of the face, use a mask.
If you’re replacing the entire head, including the hair, you can skip the mask.
Even without third-party LoRAs, Klein’s built-in editing capability can produce solid results.

For more usage instructions and examples, please refer to the v2.0 documentation: Basic Workflow: FLUX.2-klein I2I v2.0 | 4-in-1 image editing

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