“Generative art” has been around for decades; over the last several years it has often been used as a catch-all term that often covered algorithmic art & computer art, and generally with a focus on coding and computation. A lot of artists who practice this (myself included) have long been using this label to define our work.
It has always been a niche topic, but now that “generative AI” is beginning to enter mainstream conversation, it’s basically competing with the terminology.