Black Forest Labs (BFL.ai) is a frontier AI research lab specializing in visual intelligence, creators of the FLUX series—top open-weight and production-grade text-to-image models in 2026. FLUX.2 family (including [klein] for sub-second speed, [max] for ultimate photorealism, [pro]/[flex]) delivers 4MP outputs, multi-reference control (up to 10 images), precise editing, and superior prompt adherence. Open weights (Apache 2.0 on smaller variants), playground for free testing, API for scaling—ideal for creators, developers, enterprises needing fast, high-quality, customizable AI image gen & editing.