A→Z
A2ZAI
Back to Glossary
concepts

AI Agent

AI systems that can autonomously perform tasks by planning and using tools.

Share:

Definition

AI Agents are systems that use LLMs to reason, plan, and take actions to accomplish goals autonomously.

  • **Key Capabilities:**
  • Reasoning: Think through problems
  • Planning: Break tasks into steps
  • Tool Use: Call APIs, search web, run code
  • Memory: Remember context across interactions

Common Architectures: - ReAct (Reason + Act) - Plan-and-Execute - Multi-agent collaboration

Tools Agents Might Use: - Web search - Code execution - Database queries - API calls - File operations

Frameworks: - LangChain Agents - AutoGPT - CrewAI - OpenAI Assistants

Challenges: - Reliability and error handling - Cost management - Security considerations

Examples

An agent that researches a topic, writes an article, and posts it to a blog.

Want more AI knowledge?

Get bite-sized AI concepts delivered to your inbox.

Free daily digest. No spam, unsubscribe anytime.

Discussion