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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.

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