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Black Forest Labs Launches FLUX 3 Image as Design Arena Adds the 4K Editing Model

October 2, 2026 at 14:32 EDT

Media Generation
Foundation Models

Black Forest Labs has released FLUX 3 Image, and Design Arena says the model is now available in its image arena, bringing the company's newest still-image system into public creative comparisons. The October 1 launch centers on one endpoint for text-to-image generation, image editing, multi-reference composition and bounding-box layout control.

Oct. 1, 2026 · Black Forest Labs

FLUX 3 Image turns prompts into an editable layout system

The model combines generation, local editing, multi-reference composition and bounding-box placement in one endpoint, with native output up to 4K.

Maximum output tier

Reference images per request

Aspect-ratio choices plus auto

$0.607

Listed 4K price per image

Resolution price scale

Rounded to the 768sq price baseline; 4K is roughly 15x that tier.

768sq

$0.041

$0.048

$0.100

$0.607

One endpoint, four creative paths

Prompt

Describe the image or edit.

→

References

Add subjects, products or styles.

→

Box rows

Place, move, keep or remove elements.

→

Output

Generate or edit without a mode field.

Why creators care

Local edits can preserve the rest of a frame.
References help keep products and subjects recognizable.
Boxes make dense layouts easier to direct.

What still needs care

Boxes guide placement; they are not masks.
Very small boxes can fail.
Nearby lighting, shadows or reflections may shift.

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