Many topics and references are common to Plutarch and Athenaeus, who knew Plutarch's "Table Talks". However, Athenaeus almost never quotes his famous precursor. He nevertheless gives his name to one of the characters in his work, "The Deipnosophists". To account for these features and understand the relationships between both corpora, this paper studies the character of Plutarch the symposiast as a mask, and then compares the works to evaluate in which sense it would be legitimate to regard Plutarch as a model. Finally, I insist on the social conditions of their composition and situate these projects within the tradition of the literary symposion: these works are among the first representatives of the encyclopedic trend of the genre, but th...