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  1. Models
  2. Image

FLUX.2 [flex]

Try Model

FLUX.2 [flex] from Black Forest Labs. Lightweight open-source generation that maintains professional quality at high speed, delivering efficiency without compromising output fidelity. Enhanced realism, crisper text generation, and native editing capabilities.

Details

Approx. Price
$0.060 per image
Model type
text-to-image

Settings

Generation controls available for this model.

Images Per Run

Up to 4

Output images

Input Images

Supported

Reference/edit images accepted • Route max 30 MB

Output Sizes

Square
Portrait
Landscape
up to 1,536px

Number of Images

Default

1

Resolution

Default

1024*1024

Options (5)

1024*1024 (Square (1024x1024)), 1280*720 (Landscape (1280x720)), 720*1280 (Portrait (720x1280)), 1536*1024 (Wide (1536x1024)) +1 more

Seed

Number

Default

-1

Control reproducibility (-1 for random).

Benchmarks

Human preference benchmarks sourced from LMArena.

Text to Image

#32 / 92

Arena Score

1156.3

Votes

153,015

Confidence Interval

1152.9 - 1159.8

Image Edit

#46 / 63

Arena Score

1224.4

Votes

434,160

Confidence Interval

1221.2 - 1227.6

Published 2026-11-09 · Matched as FLUX.2 [flex]

LMArena Dataset

Examples

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Compare FLUX.2 [flex] with similar models from the same provider or model family.

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FLUX.3 Image Klein Base

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FLUX.2 [klein] 4B

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FLUX.2 [klein] 4B is a compact 4B-parameter text-to-image model from Black Forest Labs that delivers fast generation with quality results. Supports flexible sizing and JPEG, PNG, and WebP outputs.