Why did Renaissance writers debate whether Latin or Italian should be used in literature?

During the Renaissance, the debate over whether to write in Latin or Italian was rooted in the tension between the humanist reverence for Classical antiquity and the growing desire to establish a sophisticated, standardized vernacular literature.12

Humanists initially prioritized Latin, viewing it as the language of wisdom, eloquence, and the liberal arts. They sought to emulate the style of Classical authors, often dismissing medieval Latin and, in some cases, disdaining the vernacular as inferior. However, many writers were bilingual, and by the late 15th century, there was an increasing effort to demonstrate that Italian could achieve the same elegance and suppleness as Classical Latin.314

The debate also involved stylistic and linguistic standardization. Figures like Pietro Bembo argued for a model based on 14th-century Tuscan writers like Petrarch and Boccaccio, while others favored contemporary usage. By the end of the 16th century, the use of Italian as a literary medium had triumphed, supported by the codification of grammar and the influence of institutions like the Accademia della Crusca.52