OpenAI チュートリアル

Break your AI coding agent out of its sandbox. Discover how to use Codex CLI and MCP to connect LLMs to live data, external tools, and multi-agent workflows.

Learn to build a Multimodal RAG pipeline for a visual Q&A system on IKEA assembly instructions using the OpenAI API and ChromaDB vector database.

Build a data engineering MVP with GPT-5.2 Codex. A step-by-step VSCode tutorial covering agentic coding, Python, DuckDB, and Streamlit workflows.

Learn to use Mem0 to add persistent memory to LLMs. Build a smart learning companion agent with custom filters and graph search in this step-by-step tutorial.

In this GPT-5.1-Codex tutorial, you’ll transform GitHub issues into real engineering plans using GitHub CLI, FireCrawl API, and OpenAI Agents.

Discover ChatGPT Atlas, the new AI-powered browser. Try 9 hands-on automations for search, research, shopping, and more, all inside ChatGPT.

Learn how to bring your video ideas to life using the Sora 2 API with this complete guide on how to use Python to interact with the OpenAI API.

Learn how ChatGPT Apps work, explore real examples like Spotify and Zillow integrations, and discover how developers can build their own using the ChatGPT Apps SDK.

Learn how to use OpenAI AgentKit to automate GitHub issue reviews with AI agents that classify, detect duplicates, and summarize reports.

A practical guide to GPT-5 function calling: from JSON-schema functions to free-form tools, Lark/CFG constraints, preambles, and tool allowlists.

A step-by-step guide on fine-tuning the OpenAI GPT-OSS 20B model on the medical question and answer dataset for both accuracy and style adoption.

Explore the latest OpenAI GPT-5 API features with code examples, including reasoning effort, verbosity control, chain-of-thought handoff, freeform input, output constraints, allowed tools, preambles, prompt optimization, and more.