How to Build Your First AI Agent: A Beginner's Guide
A practical starting point for building agents with Claude, GPT, Kimi, and today’s best tools.
TL;DR
- AI agents are models within a small working system, not just chatbots with longer prompts.
- Key components of an AI agent include: model, goal, context, tools, state, loop, checks, and permissions.
- Newer models like GPT-5.6, Claude Opus 5/Sonnet 5, and Kimi K3 offer advanced capabilities such as large context windows, tool use, and persisted reasoning.
- These advanced model qualities, combined with a supporting system, enable autonomous task completion.
- A full guide provides step-by-step instructions and code for building AI agents using various SDKs and models.