FLUX.3 Klein Image Editing

flux-3-klein-edit-image

Edits and composes images from text instructions and up to ten references with FLUX.3 Klein, with optional bounding-box controls for object placement and transformation.

images

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Details

Accepts: text

Pricing

Price: 1.13 cr / megapixel

Prices in credits (1 credit = $0.01).

Data schema

Input

Field	Type	Description
seed	—	The same seed and the same prompt given to the same version of the model will output the same image every time.
promptrequired	string	A complete caption of the target image with the edit folded in. Refer to the references by their order: the first image, the second image.
sync_mode	boolean	If `True`, the media will be returned as a data URI and the output data won't be available in the request history.
image_size	—	The size of the generated image, 256 to 4096 pixels per side. If not set, a single reference image's own size (scaled to at most 4 megapixels) is used, or the first reference image's size (at most 1 megapixel) when several are given.
image_urlsrequired	array	The reference images to edit or compose from (up to 10).
num_images	integer	The number of images to generate.
output_format	stringenum: jpeg, png, webp	The format of the generated image.
bounding_boxes	—	Optional layout, with (0, 0) at the top-left of each image: keep, move, resize or remove objects from the references, or place new ones. Name boxes in the prompt by label, e.g. `<dragon>`.
enable_safety_checker	boolean	If set to true, the safety checker will be enabled.
enable_prompt_expansion	boolean	If set to true, the prompt is expanded into a detailed caption (grounded in the reference images when editing) before generation.

Output

Field	Type	Description
seed	integer	Seed used to generate the first image.
images	array	The generated images.
prompt	string	The prompt used for generating the image.
timings	object	The timings of the generation process.
has_nsfw_concepts	array	Whether the generated images contain NSFW concepts.