Michael Stevens from the Vsauce YouTube channel visited Tetsuro Matsuzawa, the author of this article. He competed against Ai at the masked numbers test and was utterly outmatched by the chimpanzee. The speed at which she taps the numbers after seeing them only for a fraction of a second is stunning.
The whole video is worth a watch, but try this link if you want to skip to the match between human and chimpanzee: https://youtu.be/ktkjUjcZid0?t=739
The whole video is worth a watch, but try this link if you want to skip to the match between human and chimpanzee: https://youtu.be/ktkjUjcZid0?t=739