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Chatbots without AI

Can a chatbot-style UI work without generative AI, using decision trees, hyperlinking, and serendipity instead?

What if a chatbot didn’t need an LLM behind it?

The idea: a conversational garden guide that helps visitors explore this site. It looks and feels like a chat interface, but everything behind it is deterministic. No generative AI, no token costs, no hallucinations. Just good design.

How it could work

  • Branching dialogue: Pre-authored questions like “What are you curious about?” or “Surprise me” that lead into curated paths through the garden
  • Tag-based exploration: Pick a theme, see a cluster of connected posts, follow wiki-links down rabbit holes
  • Random walks: A serendipity mode that picks a post and offers “follow a thread” to hop along connections
  • The UI is the trick: Chat bubbles make it feel conversational, but every response is a hyperlink, a list, or a pre-written prompt

Why no AI?

  • It forces better curation and linking. The garden has to be well-connected enough to sustain exploration on its own
  • It centers the content, not the technology
  • No API costs, no latency, works offline
  • Serendipity by design, not by hallucination

Open questions

  • How much personality should the guide have? A neutral navigator, or a character?
  • Can it learn from visitor paths without tracking individuals?
  • Where does this live: a sidebar widget, a dedicated page, a floating bubble?

See also: knowledge-gardens-and-serendipity

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