FLUX.2 [flex]

flux-2-flex

FLUX.2 [flex]

flux-2-flex

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.

Approx. Price

$0.036 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

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

Artificial Analysis

LMArena

Human preference benchmarks sourced from Artificial Analysis.

Text to Image

#24 / 147

ELO

1180.0

Appearances

6,427

95% CI

-8/8

Image Editing

#29 / 65

ELO

1165.0

Appearances

7,644

95% CI

-8/8

Release Date 2025-11 · Matched as FLUX.2 [flex]

Artificial Analysis API