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Flux 2 Klein Base 4B Edit API

wavespeed-ai /

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

image-to-image
Input

Drag & drop 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

Cover the left side of her face with delicate fresh flowers and small green leaves, as if naturally growing across her skin. Preserve the right side of her face, identity, expression, lighting, pose, and background. The flowers should look realistic, detailed, and softly integrated with natural shadows. High-end surreal beauty editorial style.

$0.015per run·~66 / $1

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ExamplesView all

Transform the office environment into an underwater office, with blue filtered light, floating papers, slow air bubbles, and fish swimming outside the glass walls. Preserve the woman, face identity, outfit, seated pose, desk position, and camera angle. Make the scene surreal but photorealistic, with believable underwater lighting and reflections.
Cover the left side of her face with delicate fresh flowers and small green leaves, as if naturally growing across her skin. Preserve the right side of her face, identity, expression, lighting, pose, and background. The flowers should look realistic, detailed, and softly integrated with natural shadows. High-end surreal beauty editorial style.

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README

FLUX.2 Klein Base 4B Edit

FLUX.2 Klein Base 4B Edit is a lightweight yet powerful image editing model. Upload images and describe your edits in natural language — the model transforms styles, modifies content, and applies effects 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.

  • Multi-image input Upload multiple 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 the lowest cost.

Parameters

ParameterRequiredDescription
promptYesText description of the desired edit
imagesYesSource images to edit (can add multiple)
sizeNoOutput dimensions (empty = same as input image)
seedNoRandom seed for reproducibility (-1 for random)

How to Use

  1. Write your prompt — describe the edit you want (e.g., "Change image1 to the comic style", "add sunset lighting").
  2. Upload images — add source images using "+ Add Item" button.
  3. Set size (optional) — specify output dimensions or leave empty to match input.
  4. Set seed — use -1 for random, or specify a number for reproducibility.
  5. Run — submit and download the edited image.

Pricing

ItemCost
Per image$0.015

Simple flat-rate pricing regardless of image size.

Best Use Cases

  • Style Transfer — Transform images to comic, anime, painting, or other styles.
  • Quick Edits — Fast, affordable edits for creative iteration.
  • Batch Processing — Low cost enables large-scale image editing.
  • Content Transformation — Change moods, lighting, or visual themes.
  • Prototyping — Rapidly test editing ideas before using higher-tier models.

Pro Tips

  • Be specific in your prompt — clearly describe what should change.
  • Leave size empty to preserve original image dimensions.
  • Use the same seed to compare different prompts on the same image.
  • Reference images by number in prompts (e.g., "Change image1 to...").

Notes

  • If size is not specified, output matches input image dimensions.
  • For best results, use high-quality source images.
  • Need LoRA support? Try FLUX.2 Klein Base 4B Edit LoRA.

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Accessibility:This website uses AI models provided by third parties.