Review of Resp Ai 1 (2):44-53. 2026Do large language models (LLMs) possess a measurable “personality,” and how do the linguistic properties of training corpora shape their cognitive style and downstream reasoning? This paper approaches these questions from a sociolinguistic perspective on machine “identity.” This manuscript is positioned explicitly as a conceptual perspective paper: it does not present original experimental data, nor does it constitute a systematic review with defined search s