The FLUX.2 [klein] model family are our fastest image models to date. FLUX.2 [klein] unifies generation and editing in a single compact architecture, delivering state of the art quality with end to end inference in as low as under a second . Built for applications that require real time image generation without sacrificing quality, and runs on consumer hardware, with as little as 13GB VRAM. FLUX.2 [klein] 4B Base is a 4 billion parameter rectified flow transformer capable of generating images from text descriptions and supports multi reference editing capabilities. It's a full capacity foundation model. Undistilled, preserving complete training signal for maximum flexibility. Ideal for fine tuning, LoRA training, research, and custom pipelines where control matters more than speed. Higher output diversity than the distilled models. For more information, please read our blog post. Key Features 1. Exceptional speed and quality to size ratio. 2. Ideal for local deployment and fine tuning on limited hardware. 3. Trained without step or guidance distillation, making FLUX.2 [klein] 4B Base more efficient and flexible. 4. Open weights for customization and fine tuning to drive science, re…
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