Genetic Algorithm IASTAnnouncement GAIAST is used to predict the loading of the gas mixture on the bundle, based only on the knowledge of the pure adsorption isotherms of the individual components. Authors:Salvador R.G. Balestra, ORCID, githubRocio Bueno-PerezRafael AguilarSofía Calero GAIAST is available at https://github.com/salrodgom/gaiast.