A chatbot handles a conversation. An automation moves work through predefined steps. An AI agent is allowed to choose among tools or actions while pursuing a goal. Many projects described as agents need only a small chatbot or dependable automation—and that simpler option is often easier to test and trust.
Chatbot: the conversational interface
Choose a chatbot when the main job is answering questions, gathering information, or letting someone trigger a narrow action through conversation. The bot may use fixed replies, AI, or a combination of both.
Automation: the repeatable sequence
Choose automation when the trigger and steps are known: a form arrives, data is checked, a record is created, and a notification is sent. Rules make the result predictable and easier to audit.
AI agent: controlled choice among actions
An agent becomes relevant when the system must inspect a situation, decide which permitted tool to use, observe the result, and continue. That flexibility also creates more ways to fail, so permissions, limits, logs, and human approval matter.
Choose with four questions
- Is the task mostly a conversation, a fixed process, or a changing decision?
- What could go wrong if the system chooses incorrectly?
- Which actions must a person approve?
- How will someone see what happened and recover from failure?
Start with the least autonomous system that solves the real problem. Add flexibility only when the simpler workflow has shown exactly where it is needed.