ELIZA Reanimated lets you chat with a 'ChatGPT' from 1965

https://telefonicatech.com/en/blog/eliza-reanimated-lets-you-chat-with-a-chatgpt-from-1965

"In the 1960s, at MIT laboratories, computer scientist Joseph Weizenbaum developed the program ELIZA , which is now considered the first chatbot. Weizenbaum created ELIZA using the MAD-SLIP programming language, marking one of the earliest attempts to simulate human conversation.

The ELIZA Reanimated restoration project began with the recovery of the original source code from Weizenbaum’s personal archives at MIT. This material included the DOCTOR script , an early version of the MAD-SLIP code, and several supporting functions written in obsolete programming languages such as MAD and FAP."

See also the nearby topic
On the history of ELIZA (and ELIZA Reanimated)

Darn, I knew I had seen ELIZA recently mentioned, but my quick find didn’t turn this one up.