Traditional chatbot: intent → canned response
A classic chatbot classifies the user's message into a known intent and returns a pre-written response or a fixed flow. It is cheap, predictable and fast to ship — and it works when the conversation space is small and stable: menus, simple FAQs, form collection.
AI agent: goal → plan → tools → action
An agent built on a large language model pursues a goal. It interprets free-form language, plans the steps, calls tools (your order system, catalog, CRM), observes the results, adapts and keeps going until the task is done — or decides it needs a human. Nothing is canned: answers are composed in real time from your live data.
Side by side
Chatbot
Intent matching · fixed flows · static answers · fails on variants and edge cases · cheap to run · predictable behavior.
AI agent
Goal-driven · tool use · live answers from your data · adapts to variants and edge cases · higher run cost · needs guardrails and evaluation.
Failure modes
- Chatbots fail silently: the user gets a wrong or useless canned answer and the flow ends
- Agents can hallucinate or over-act: that's why production agents ship with guardrails, scoped tools, audit logs and human-in-the-loop checkpoints
- Both need analytics: a chatbot's deflection metric and an agent's resolution/escalation rate tell you whether you're saving money or just moving the problem
When to use which
- Start with a chatbot (or a small decision tree) when the question space is small and stable
- Move to an AI agent when you have many variants, live data dependencies (orders, catalog, stock) or multi-step tasks
- The winning pattern in production: agent for the long tail, human for the exceptions — not one or the other
How Develo builds agents
Our agents run on Amazon Bedrock, use retrieval over your business data, expose your systems as tools (increasingly via the Model Context Protocol) and ship with evaluation suites and observability. See AI Agents for Business or a concrete product: d-ialog.
Not sure which you need?
Send us a week of real customer conversations and we'll tell you honestly what pattern fits.
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