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FLUX.2 Klein 4B Edit LoRA

wavespeed-ai/flux-2-klein-4b/edit-lora

FLUX.2 [klein] 4B Edit with LoRA support enables precise image-to-image editing with natural language instructions, multi-reference support, and LoRA customization. Ready-to-use REST inference API, best performance, no cold starts, affordable pricing.

Input

Hint: You can drag and drop a file or click to upload

preview
If set to true, the function will wait for the result to be generated and uploaded before returning the response. It allows you to get the result directly in the response. This property is only available through the API.
If enabled, the output will be encoded into a BASE64 string instead of a URL. This property is only available through the API.

Idle

make it a real picture

Your request will cost $0.017 per run.

For $1 you can run this model approximately 58 times.

ExamplesView all

make it a real picture
make it a real picture
turn the pink into green
change the male to a female
Add a female lying on the hammock

README

FLUX.2 Klein 4B Edit LoRA

FLUX.2 Klein 4B Edit LoRA is a lightweight yet powerful image editing model with full LoRA support. Upload images, describe your edits, and optionally apply up to 3 custom LoRA adapters for personalized styles — all with fast generation and affordable pricing.

Why Choose This?

  • Text-guided editing Describe edits in natural language — transform styles, modify content, apply effects, and more.

  • LoRA support Apply up to 3 custom LoRA adapters for personalized styles, characters, or visual aesthetics.

  • Multi-image input Upload up to 4 reference images for context-aware editing.

  • Flexible output sizing Optionally set output size, or leave empty to match input image dimensions.

  • Prompt Enhancer Built-in tool to automatically improve your prompts for better results.

  • Lightweight and fast 4B parameter model optimized for quick turnaround at affordable pricing.

Parameters

ParameterRequiredDescription
promptYesText description of the desired edit
imagesYesSource images to edit (up to 4 images)
lorasNoList of LoRA adapters to apply (up to 3)
sizeNoOutput dimensions (empty = same as input image)
seedNoRandom seed for reproducibility (-1 for random)

LoRA Format

Each LoRA in the loras array has:

  • path (required) — URL to the LoRA weights file
  • scale (optional) — Weight multiplier, default 1

How to Use

  1. Write your prompt — describe the edit you want (e.g., "make it a real picture", "add sunset lighting").
  2. Upload images — add up to 4 source images using "+ Add Item" button.
  3. Add LoRAs (optional) — click "+ Add Item" to include custom LoRA adapters.
  4. Set size (optional) — specify output dimensions or leave empty to match input.
  5. Set seed — use -1 for random, or specify a number for reproducibility.
  6. Run — submit and download the edited image.

Pricing

ItemCost
Per image$0.017

Simple flat-rate pricing regardless of image size or LoRA count.

Best Use Cases

  • Style Transfer — Transform images with custom LoRA styles.
  • Reality Enhancement — Convert illustrations or renders to photorealistic images.
  • Character Consistency — Apply character LoRAs while editing images.
  • Creative Retouching — Apply artistic edits with natural language and LoRA combinations.
  • Batch Editing — Affordable pricing enables large-scale image editing.

Pro Tips

  • Be specific in your prompt — clearly describe what should change.
  • Use LoRAs to add consistent styles across multiple edits.
  • Leave size empty to preserve original image dimensions.
  • Start with LoRA scale 1.0 and adjust based on results.
  • Use the same seed to compare different prompts or LoRA combinations.

Notes

  • Maximum 4 images can be uploaded per generation.
  • Up to 3 LoRAs can be applied simultaneously.
  • If size is not specified, output matches input image dimensions.
  • For best results, use high-quality source images.

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