This article aims to present the process of elaboration of a didactic model for the textual genre radio journalistic comment, drew up through the analysis of copies of this genre under the interactionism sociodiscursive theoretical-methodological basis. This work is a master's degree research outline entitled "The didactic model of the radio journalistic comment: a necessary stage for the didactic intervention" that aimed the identification of the defining characteristics of this genre with didactic objectives, in order to propiciate the development of the language capacities with students from the eight and ninth years at the primary school who participated of a radio project proposal developed in 2008 at a state school from Mato Grosso State.