Model dossier

Black Forest Labs: FLUX.2 Klein 4B

FLUX.2 [klein] 4B is the fastest and most cost-effective model in the FLUX.2 family, optimized for high-throughput use cases while maintaining excellent image quality. Pricing is based on the output...

ProviderBlack Forest Labs Start comparison

Context40,960

Max outputn/a

Pricing viewTVP price

Identity

Black Forest Labs: FLUX.2 Klein 4B

Model ID: black-forest-labs/flux.2-klein-4b
Canonical slug: black-forest-labs/flux.2-klein-4b
Knowledge cutoff: n/a
Created: 1/14/2026

Capabilities

textimage

Modalities

text+image->imagetextimage

Capacity

Context40,960

Max outputn/a

TokenizerOther