Mastering OpenAI Agents SDK: Build Agentic AI Workflows (with LangGraph Comparison)

Aug 27, 2025 · 26 min read · 1. What is an agent? A program that can make decisions and take actions to complete a task for you - like an assistant that can think, call tools (search, calendar, files), and act on results. 2. What is a tool? A specific capability an agent can us...