LAION, or the Large-scale Artificial Intelligence Open Network, is a non-profit organization dedicated to making machine learning resources accessible to the general public. They provide datasets, tools, and models to support open education and promote the reuse of existing resources for a more sustainable use of AI. LAION offers a range of datasets, including LAION-400M and LAION-5B, as well as models like Clip H/14 and LAION-Aesthetics.