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Unearthed ELIZA Code Reveals Multiple Chatbot Personas

Source: IEEE Spectrum Source published: 15 Jul 2026 NadiAI generated: 16 Jul 2026
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Brief

Researchers recovered ELIZA’s original source code from MIT archives and find it was a versatile platform supporting many scripted personas beyond the famous 'Doctor' therapist. The code shows features like script editing, contextual memory, and teaching/tutor modes that complicate the traditional story of ELIZA as a simple pattern matcher.

Why It Matters

The discovery reframes early AI history and highlights design patterns—system/script separation, plug‑in personas, and memory—that persist in modern conversational agents.

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