The article deals with the problem of the intradiscursive variability of the speech genre of the abstract. The article aims to identify the variability of the manifestation of the author's principle in the verbal genre of abstract functioning in academic discourse. 38 Russian-language abstracts to linguistic academic articles published in the journal “Genres of Speech” in 2023 and 34 Russian-language abstracts to biological academic articles published in the “Journal of General Biology” in 2022 were selected as the base of the study.