3 articles
Master the OpenAI API in 2026: GPT-4o chat completions, vision, function calling, embeddings, structured outputs, streaming, and cost optimization. Complete Python examples for every major feature.
Step-by-step tutorial on OpenAI function calling (tool use) with Python examples. Covers tool definition, parallel calls, multi-step agent loops, and structured data extraction.
A comprehensive guide to building autonomous LLM agents with tool use, covering the ReAct pattern, function calling, memory systems, and multi-agent coordination — with production-ready Python examples. For ML engineers and backend developers building agentic AI systems.