OpenAI
OpenAI model docs and Cookbook · Beginner to advanced
Official model and implementation material for learning current GPT-5.6 choices, Codex workflows, subagents, memories, agent evals, MCP and connector patterns, retrieval, background jobs, prompt engineering, production best practices, model optimization, and structured outputs.
Topics
GPT models, Reasoning models, Model selection, Agents, Subagents, RAG, Structured outputs, MCP, Evals, Memories