Chatbots powered by artificial intelligence (AI) large language models (LLMs) are becoming more human-like by design. Do LLMs have personality? Researchers at the University of Cambridge and Google DeepMind created a scientifically-validated personality test for AI chatbots based on established human psychological personality tests and published their new study in Nature Machine Intelligence.

“Our work answers the open question: Do LLMs mimic human personality traits in reliable, valid and practically meaningful ways, and if so, can LLM-synthesized personality profiles be verifiably shaped along desired dimensions?” wrote co-first authors Gregory Serapio-García and Mustafa Safdari, along with co-authors Clément Crepy, Luning Sun, Stephen Fitz, Peter Romero, Marwa Abdulhai, Aleksandra Faust, and Maja Matarić.

“Vast amounts of human-generated training data enable LLMs to mimic human characteristics........

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