What Are AI Agents? The Complete Guide (2026)
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Generative AI
What Are AI Agents? The Complete Guide Photo by Kindel Media on Pexels March 24, 2026 · 12 min read · By Paxrel If you've been following AI news in 2026, you've heard the term "AI agents" everywhere. OpenAI, Anthropic, Google, and Microsoft are all betting big on them. But **what exactly are AI agents, and why do they matter?** This guide breaks it down from first principles - no hype, just clarity. ## The Simple Definition An **AI agent** is a program that uses a large language model (LLM) to **reason, plan, and take actions** autonomously to achieve a goal.