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Rule-based chatbots vs AI agents

Button bots are predictable but rigid. AI agents are flexible but need guardrails. Most businesses need both.

Rule-based bot compared with AI agent
	Rule-based bot	AI agent
Handles free text	Poorly; needs exact keywords	Well
Predictability	Fully predictable	Needs grounding, instructions and testing
Setup effort	Grows with every path	Grows with your content quality
Best at	Steps with rules: forms, bookings, menus	Open questions, varied phrasing, follow-ups
Running cost	Very low	AI model usage per conversation
Failure mode	Customer stuck in a menu	Confident wrong answer, if ungrounded

In ChatRhino, a flow step can delegate to an AI agent under limits and fall back to a fixed path; an AI agent can run flows as tools.

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Rule-based bot

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FAQ

For open questions, usually. For fixed processes, rules are more predictable. Combining them with a human handoff works best.

They can. Grounding in your content, clear instructions, test suites and handoff rules reduce the risk.