Models Model details

Black Forest Labs

Black Forest Labs: FLUX 3 Image Klein

black-forest-labs/flux-3-image-klein

FLUX 3 Image Klein is an open-weights image generation and editing model from Black Forest Labs. It is suited for text-to-image, multi-reference editing that keeps characters and subjects consistent across images, reference-based style transfer, and text rendering. At 5.6B parameters, it is the smaller, faster member of the FLUX 3 Image family.

Input
$0

/ 1M tokens · Token reference

Output
$0

/ 1M tokens · Token reference

Context window
46.86K

tokens

Image output · Token reference fields do not establish an output-unit price.

Limits

Context

46,864

tokens

Max output

42,177

90% of the context window

Model facts

Author

Black Forest Labs

Tokenizer

Other

Modality

Text + Image -> Image

Created

Oct 15, 2026

Publication status

Hugging Face: not mappedLicense: not publishedParameter count: not published

Modalities

Input · TextInput · ImageOutput · Image

Generation controls

Seed