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FLUX.3 Image

FLUX 3 Image is Black Forest Labs' newest image model. Generate detailed, well-composed images in native 2K and 4K with precise layout control and improved text rendering.

Input

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

The prompt to generate an image from.

Output aspect ratio. Auto uses the first reference image when editing.

Output resolution tier. 4k can take several minutes.

Additional settings

Expand the prompt while preserving its intent and reference roles.

Safety tolerance, from 0 (strictest) to 4.

The format of the generated image.

The model version.

Starting price$0.07 / image

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.3 Image

Getting started

Create an image from text or edit with up to ten ordered reference images using FLUX.3 Image.

Review your result

Compare the result with your source, especially object boundaries, fine text, faces and shadows.

Inputs and settings

Choose 512sq, 768sq, 1k, 2k or 4k and one of fifteen aspect ratios. JPEG and PNG are available.

Edit mode takes one to ten uploaded images: each side must be at least 256 px and the area at most 4 MP. Refer to them as image 1, image 2, and so on.

The reviewed launch tariff expires on October 8, 2026 at 15:00 UTC. The model pauses if that tariff expires or changes until its pricing is reviewed.

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