AI agents vs chatbots vs automation: which does your business need?

The word "agent" now covers almost everything. Gartner has called the trend "agent washing": rebranding existing products such as AI assistants, robotic process automation (RPA) and chatbots as agents. It estimates that only about 130 of the thousands of vendors claiming agentic AI are real, and that many use cases sold as agentic do not need an agentic implementation. Knowing the difference saves money.

Three kinds of tools

• Workflow automation: fixed steps with structured inputs, such as "when a form is submitted, create a record and send a confirmation". Predictable, cheap and easy to audit.
• AI assistant or chatbot: answers questions or drafts text using your documents. It talks; it does not act on its own.
• AI agent: given a goal, it plans several steps, chooses tools, handles exceptions and takes actions in your systems. McKinsey describes agents as systems capable of acting in the real world, planning and executing multiple steps in a workflow.

How to choose

• If the steps are always the same and the inputs are structured, use workflow automation.
• If people mostly need answers from a body of documents, use an assistant with retrieval from your own material.
• If the work needs judgment across several steps and exceptions are common, consider an agent, with human approval for anything that changes money, customers or records.
• If you are unsure, start with the simplest option that could work and move up only when it fails on real cases.

Where things stand

In McKinsey's 2025 survey, 62% of respondents said their organizations were at least experimenting with AI agents and 23% said they were scaling an agentic system somewhere in the enterprise. But in any given business function, no more than 10% said their organizations were scaling agents. Most agent work is still early, which is a reason to keep scope narrow.

Sources

• Gartner, "Gartner Predicts Over 40% of Agentic AI Projects Will Be Canceled by End of 2027" (June 25, 2025)
• McKinsey, "The State of AI: Global Survey 2025"