Keyword: «balanced approach»

The relevance of the study in the article is due to the demand for the educational po-tential of the Duolingo application in teaching foreign languages. The aim of the study is to analyze the educational potential of the Duolingo application in personal-ized learning of foreign languages. As a result, the Duolingo app was found to be most successful in using a functional approach, focusing on the end goal for which users are learning a foreign language. It is especially noted that the Duolingo applica-tion is the most striking example of the use of artificial intelligence in online foreign language teaching today, as the results are constantly used to develop new, improved courses, expand the range of language learning tools, and update materials in accord-ance with the development of a foreign language.