BFL open-sources FLUX 3 Image Klein: 5.6B model runs 4K images on 8GB VRAM
lmoroney · x · 2026-10-16
Black Forest Labs released FLUX 3 Image Klein with open weights: a 5.6B-parameter model handling text-to-image, instruction editing, and multi-reference generation (up to 10 images), with native 4K output and bounding-box layout. INT8 build runs on 8GB VRAM; NVIDIA measured 4s per 1MP image on RTX 5090. Day-one ComfyUI/Diffusers support; free commercial use for companies under $5M revenue.
Related event: Black Forest Labs Open-Sources FLUX.3 Image Klein(34 posts)→
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