Black Forest Labs

FLUX 3 Image

FLUX 3 Image combines text-to-image generation, editing with up to ten references and spatial control in one workspace. Draw rectangles on a chosen canvas, describe each element and choose how it should change. Grounding is available for factual subjects, and five resolution tiers range from 768sq to 4k.

How to use this model

  1. 1

    Describe the scene, composition and exact text, or explain the changes to an existing image.

  2. 2

    Add up to ten reference images for editing. Mention each reference using its displayed token.

  3. 3

    Open the layout editor to draw and describe rectangles. Choose an explicit aspect ratio for the canvas.

  4. 4

    For edits, choose whether to keep, change, move, remove or add each element. Boxes guide placement; they are not pixel masks.

  5. 5

    Choose a resolution and review the quote before generating. Grounding can use web and image search for factual subjects.

3 ImageAvailable

FLUX 3 Image

FLUX 3 Image combines text-to-image generation, editing with up to ten references and spatial control in one workspace. Draw rectangles on a chosen canvas, describe each element and choose how it should change. Grounding is available for factual subjects, and five resolution tiers range from 768sq to 4k.

Try now

Properties

  • Text-to-image generation and editing with up to ten reference images.
  • Bounding boxes for placement and Keep, Change, Move, Remove and Add operations.
  • Five resolutions: 768sq, 1k, 1.5k, 2k and 4k. Optional web and image grounding.

How to use this model

  1. 1

    Describe the scene, composition and exact text, or explain the changes to an existing image.

  2. 2

    Add up to ten reference images for editing. Mention each reference using its displayed token.

  3. 3

    Open the layout editor to draw and describe rectangles. Choose an explicit aspect ratio for the canvas.

  4. 4

    For edits, choose whether to keep, change, move, remove or add each element. Boxes guide placement; they are not pixel masks.

  5. 5

    Choose a resolution and review the quote before generating. Grounding can use web and image search for factual subjects.

Parameters

Prompt

prompt
Optional

Describe the scene or a general edit. Optional when editing references with layout boxes.

Reference images

reference_images
Optional

Up to ten images. Refer to them in their displayed order.

Aspect ratio

aspect_ratio
Required

Choose the output framing. Layouts require an explicit ratio.

Default: auto

  • Auto

  • 21:9

  • 2:1

  • 16:9

  • 3:2

  • 7:5

  • 4:3

  • 5:4

  • 1:1

  • 4:5

  • 3:4

  • 5:7

  • 2:3

  • 9:16

  • 1:2

  • 9:21

Resolution

resolution
Required

Output resolution tier; exact dimensions vary with the aspect ratio.

Default: 1k

  • 768sq

  • 1k

  • 1.5k

  • 2k

  • 4k

Web grounding

grounding
Required

Allow web and image search to inform the generation.

Default: true

Layout

layout_elements
Optional

Place elements or target edits in the visual layout editor.