OpenAI Agents SDK for Beginners: Build GPT-4o Assistants with Function Calling and Tool Orchestration

By Hollis Denning

OpenAI Agents SDK for Beginners: Build GPT-4o Assistants with Function Calling and Tool Orchestration
The Ultimate Step-by-Step Guide to Building Smart, Production-Ready AI Agents with Python and OpenAI's Assistants SDK
Ready to build real-world AI assistants using GPT-4o?
This hands-on guide is the most complete, beginner-friendly, and production-focused book available on OpenAI's official Agents SDK. Whether you're an aspiring developer or an automation engineer, you'll master everything from function calling and tool orchestration to deployment and optimization-all with practical code, real-world projects, and best practices.
What You'll Learn (A-Z Mastery)Set up your environment with Python 3.12, Poetry, and the OpenAI SDKUnderstand GPT-4o's multi-modal capabilities and model selectionLearn JSON Schema and function-calling architecture from scratchBuild assistants with tool chaining, retries, caching, and memoryDebug hallucinations, invocation errors, and SDK timeoutsCreate smart assistants like: Calculator Bot (deterministic math tool)Weather Agent (real-time API integration)Task Manager Bot (multi-turn planning + persistence)Enable streaming, SSE, WebSockets, and concurrencyOptimize cost with prompt compression, caching, and model tuningDeploy with FastAPI, Docker, GitHub Actions, Vercel, and Fly.ioHarden your agent with OAuth, rate-limiting, PII redaction, ISO/GDPR readinessWho This Book Is ForPython developers transitioning into AI developmentEngineers building LLM-based workflows or copilotsData scientists automating tasks with GPT tools and APIsFreelancers, educators, and students entering the LLM ecosystemAnyone ready to build real, secure, and scalable AI assistants
Why This Book?
Unlike high-level tutorials or blog posts, this book is a professional-grade manual-rooted in real SDK patterns and field-proven techniques. Whether you're building an internal tool, deploying an AI SaaS agent, or preparing for a LangChain/AutoGen project, this guide equips you with deep, transferable skills.
Ready to build the future with AI?
Start now. This is the guide the AI community has been waiting for.

• Format: Paperback
• Language: English
• ISBN: B0FH75GQ1T
• ISBN13: 9798291859025
• Release Date: July 2025
• Publisher: Independently Published
• Length: 422 Pages
• Weight: 2.14 lbs.
• Dimensions: 0.9" x 8.5" x 11.0"