Black Forest Labs releases a 5.6B image model for local deployment

FLUX 3 Image Klein adds editing and multi-reference generation, with weights for fine-tuning and an API priced from $0.009 per 1K images.

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Primary source: Black Forest Labs on X

Why it matters

Klein brings Black Forest Labs' image generation and editing capabilities to a smaller model that users can self-host, alongside an API and paid enterprise licensing. The license allows free commercial use only for individuals and organizations with annual revenue below $5 million.

Black Forest Labs (@bfl_ai): FLUX 3 Image Klein is here. Open Weights with the quality of a large frontier model. Customizable and fast. 5.6B parameters and runs on a si (7-post thread) — FLUX 3 Image Klein is here.

Black Forest Labs released FLUX 3 Image Klein on October 15th, a 5.6-billion-parameter image-generation and editing model that the Freiburg-based lab says can run on consumer GPUs, including hardware with 8GB of VRAM in quantized versions. The launch post describes a release for developers who want to run, fine-tune or adapt a model on their own infrastructure instead of relying solely on a hosted image API.

https://x.com/bfl_ai/status/2110751201105256925…

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