Show HN: FLUX.2 Klein – Sub-Second AI Image Generation – 4B and 9B Models (flux2klein.co)

FLUX.2 Klein, a groundbreaking AI image generation model from Black Forest Labs, has been launched with the capability to produce high-quality images in under one second. This model comes in two variants: a 4B version optimized for consumer GPUs and a more powerful 9B version that delivers outputs matching those of models five times its size. The technology boasts impressive speed and efficiency, enabling creators—from individual artists to large enterprises—to seamlessly integrate the model into existing workflows using popular platforms like Hugging Face Diffusers and ComfyUI. The significance of FLUX.2 Klein stems from its advanced architecture, featuring a rectified flow transformer structure that enhances image fidelity while utilizing a minimal four-step inference process. The model also includes an 8B parameter text embedder, improving prompt understanding and allowing for innovative features like multi-reference editing. Additionally, the built-in C2PA watermarking ensures content provenance, making it a robust solution for safe and responsible AI image generation. With varied access plans, FLUX.2 Klein aims to accommodate both casual users and professional creators, thereby democratizing access to high-speed, high-quality image generation.