Eudemus's collaboration with Aristotle was long-lasting and close, and he was generally considered to be one of Aristotle's most brilliant pupils: he and Theophrastus of Lesbos were regularly called not Aristotle's "disciples", but his "companions" (ἑταῖροι).
Kolaborasi Eudemos dengan Aristoteles tahan lama dan dekat, dan ia pada umumnya dianggap sebagai murid Aristoteles yang paling cemerlang: ia dan Theophrastus dari Lesbos sering disebut bukan "murid" Aristoteles, namun "sahabatnya" (ἑταῖροι).