ELIZA
MIT
Updated May 21, 2026 · Benchmarks via Artificial Analysis, specs & pricing via OpenRouter · Methodology · Report an error
Specifications
- Released
- January 1, 1966
Our take
Joseph Weizenbaum’s pattern-matching chatbot that mimicked a psychotherapist. The first program to create a convincing illusion of conversation, and a touchstone for every chatbot since.