What is an AI Agent? A Complete Beginner's Guide
What is an AI Agent? A Complete Beginner's Guide AI Agents are one of the most important concepts in modern AI development. An AI Agent goes beyond simply generating text: it can decide what action is required, use external tools and APIs, observe their results, and continue working toward a goal. 1. What is an AI Agent? An AI Agent is an LLM combined with external tools or functions that allow it to perform tasks beyond generating text. AI Agent = LLM + Tools + Decision Making + Execution An LLM such as ChatGPT can understand a user's request and decide what needs to be done, but it may need external tools to actually perform certain tasks. Example Suppose a user asks: What is the weather in Delhi right now? The agent can: Understand the request. Identify that a weather tool is required. Call the weather API. Receive the result. Explain the result to the user. The LLM acts as the brain , while the tools allow the agent to inter...