Menguin and Generation Tux are both online tuxedo rental companies. The main differences are: Menguin has lower prices, while Generation Tux offers higher-end fabrics. Generation Tux allows free at home try on, while Menguin charges for exchanges. Menguin rents suits in addition to tuxedos, which Generation Tux does not offer. Generation Tux has alteration credits, but Menguin does not. Generation Tux has more modern and fashion-forward styles. In summary, Menguin is cheaper while Generation Tux offers higher quality tuxedos and a better rental experience.