Flux 2 Klein 4b

Name: Flux 2 Klein 4b
Author: Replicate

imageapache-2.04B

Lightweight 4B-parameter FLUX.2 flow model for sub-second inference; ~13 GB VRAM. Open base weights under Apache 2.0.

Capabilities

Show unsupported (15)

Infrastructure

Fine-tuning

Model IDblack-forest-labs/flux-2-klein-4b

Family—

Licenseapache-2.0

Statusactive

Typeimage

Input modalitiestext

Output modalitiesimage

Open weightYes

Parameters4B

Architecture—

Max resolution—

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Release date—

Sourceofficial

imagesPOST

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black-forest-labs/flux-2-klein-4b

Lightweight 4B-parameter FLUX.2 flow model for sub-second inference; ~13 GB VRAM. Open base weights under Apache 2.0.

Changes · 2 entries

black-forest-labs/flux-2-klein-4bcreateca7a400Nov 2, 2026, 03:02 AM

black-forest-labs/flux-2-klein-4bcreate08f0ffeMay 11, 2026, 08:27 AM