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Black Forest Labs

Available in Shortly AI

FLUX 3 Image Klein

Released October 15, 2026

Vision (Image)

FLUX 3 Image Klein is Black Forest Labs’ smaller, faster image generation and editing model, with 5.6 billion parameters and open weights. It supports text-to-image generation, image editing, multiple reference images, and layouts specified with bounding boxes. The hosted API produces images across five resolution classes from 768 × 768 to 4K.

Context window
Not listed
Maximum output
Not listed
Input pricing
Not listed
Image pricing
$0.009/image

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