Ai (chimpanzee)

Ai
アイ
SpeciesChimpanzee
Bornc. 1976
Guinean Forests of West Africa
Died (aged 49)
OffspringAyumu

Ai (Japanese: アイ; c. 1976 – January 9, 2026) was a female western chimpanzee (Pan troglodytes verus), who lived at the Primate Research Institute of Kyoto University (acronym KUPRI). She was the first subject of the Ai project, a research program started in 1978 by Kiyoko Murofushi and Tetsuro Matsuzawa aimed at understanding chimpanzee cognition through computer interface experiments.