Black Forest FLUX 3 Klein open-sourced: Official self-tests show it outperforms Qwen, but users say it is inferior to the older 4B version.

Beating AI News: German AI company Black Forest Labs has open-sourced its FLUX 3 Image Klein image generation model. Officially, it is listed as having 5.6 billion parameters, but this only accounts for the image generation component; an additional 4 billion parameters from Qwen3-VL are required for text instruction understanding, bringing the total to roughly 9.6 billion parameters. The new model supports native 4K output, image editing, and up to 10 reference images. Quantized versions can run

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