Definition

AI agents are software programs powered by AI that can take actions, make decisions, and complete tasks without constant guidance. They use models like LLMs, access tools, and tap into memory or retrieval systems to reason through problems and execute multi-step plans.

Example

“An AI agent can take your prompt—‘book a meeting and write a summary’—and complete the entire workflow automatically.”

How It’s Used in AI

AI agents are used for task automation, research, business operations, coding, and even customer service. They're essential in the rise of autonomous agents that can handle complex logic, switch between tasks, and learn from past actions.

Brief History

Originally a concept from robotics and multi-agent systems, AI agents entered the mainstream through tools like AutoGPT, BabyAGI, and CrewAI in 2023. They combine older AI planning techniques with the power of modern LLMs.

Key Tools or Models

AutoGPT, BabyAGI, SuperAGI, GPT Engineer

Infrastructure tools: LangChain, CrewAI, Semantic Kernel

Ideal for no-code automations, research agents, and developer tools

Pro Tip

Not every AI model is an agent. True agents plan, act, and adapt. Use them where repeatable workflows and autonomy matter most.