centaur

1. (Greek mythology) A mythical beast having a horse's body with a man's head and torso in place of the head and neck of the horse.Synonyms: hippocentaurGreek

2. (astronomy, also capitalized) An icy planetoid that orbits the Sun between Jupiter and Neptune.alsocapitalized

3. (chess) A chess-playing team comprising a human player and a computer who work together.Examples: "This was not Kasparov's approach. Instead of rejecting the machines, he returned the year after his defeat to Deep Blue with a different kind of chess, which he called ‘Advanced Chess’. Other names for Advanced Chess include ‘cyborg’ and ‘centaur’ chess."

4. (by extension, artificial intelligence) A human and an AI who work together.Examples: "The first—termed “cyborgs” by the authors—intertwined with the AI, moulding, checking and refining its responses, while the second—“centaurs”—divided labour, handing off more AI-suited subtasks while focussing on their own areas of expertise."; "Programming has not yet gone the way of chess. But the centaurs have arrived. GPT-4 on its own is, for the moment, a worse programmer than I am. Ben is much worse. But Ben plus GPT-4 is a dangerous thing."broadly