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Model index
Black Forest Labs·FLUX

FLUX.2 [klein] 4B

A sub-second generation and editing model for consumer GPUs.

CurrentImage generationMultimodalOpen weights
MODEL NUMBER217
First public date
2026-01-15
Organization
Black Forest Labs
Family
FLUX
01

Specifications

Only published specifications are shown.

Total parameters
4B
Architecture
Hybrid
Input modalities
Text · Image
Output modalities
Image
Open weights
Yes
License
Apache-2.0
Status
Current
02

Overview

Release dates

— FLUX.2 klein 4B was released. ↗

03

Architecture & capabilities

Model capabilities

Local inferenceImage editing

Unclassified tags

Fast action
04

Release history

Open weights

FLUX.2 klein 4B was released.

View source
05

Related models

Select a card to view the related model.

SiblingFLUX.2 [dev]View details →
06

Sources

01
FLUX.2 overviewBlack Forest Labs · Published 2026-01-15
Official · Verified
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