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Black Forest Labs releases FLUX.3 Image Klein model in Diffusers

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Black Forest Labs published FLUX.3 Image Klein, an open image generation model that runs in Diffusers on day one. The model handles text-to-image and multi-reference image-to-image tasks, and adds layout control via bounding boxes in prompts. Two open checkpoints are available: a distilled version generating 1024×1024 images in 16 steps on an H100, and a base model using 50 steps with classifier-free guidance.

Why it matters

Developers can generate images with spatial layout control and reference-based editing using a single model available in multiple quantized formats for different GPU memory constraints.

When
15 Oct 2026
ID
WTA-N-2026-0302
Who
Black Forest Labs, Hugging Face

Summary by wheresthe.ai, from Hugging Face. Checked against the source on 15 Oct 2026.

Source copy: download the page as saved on 18 Oct 2026 (PDF). Also held by the Internet Archive.

Next stop on this Storyline: Elsewhere: United StatesReflection releases Beam, a 501B-parameter open model

Cite this story

WTA-N-2026-0302: “Black Forest Labs releases FLUX.3 Image Klein model in Diffusers.” wheresthe.ai, 15 Oct 2026. https://wheresthe.ai/d/intl-black-forest-labs-releases-flux-3-image-klein-model-in-2026-10/ (source: Hugging Face).

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