FLUX.2 [klein] 4B Base

Image-to-image editing with FLUX.2 [klein] 4B Base from Black Forest Labs. Precise modifications using natural language descriptions and hex color control.

Input

Fields marked * are required. Review the price before generating.

Prompt *

The prompt to edit the image.

Image Size

The size of the generated image. If not provided, uses the input image size.

Images *

The URLs of the images for editing. A maximum of 4 images are allowed.

Uploading a file needs an account. Create accountJPEG, PNG, WebP · up to 25 MB

Additional settings

Negative Prompt

Negative prompt for classifier-free guidance. Describes what to avoid in the image.

Guidance Scale

Guidance scale for classifier-free guidance.

Seed

The seed to use for the generation. If not provided, a random seed will be used.

Number of Inference Steps

The number of inference steps to perform.

Acceleration

The acceleration level to use for image generation.

Output Format

The format of the generated image.

Price$0.02 / megapixel

You sign up first. Your settings are kept.

API code for this input

Complete the required fields and fix input errors to see API code.

How to use FLUX.2 [klein] 4B Base

Getting started

Control a text-generated scene with FLUX.2 [klein] 4B Base. Separate the desired scene from details you want to exclude.

Review your result

Check exclusions against the result; a negative prompt does not guarantee an element is absent.

Inputs and settings

Use prompt and negative_prompt in text mode. Select editing mode for an existing image.

Base exposes guidance_scale and 4–50 num_inference_steps; its provider default is 28 steps, unlike the four-step variant.

Input

How to use FLUX.2 [klein] 4B Base

Getting started

Review your result

Inputs and settings

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