OpenAI for developers
Docs and resources to help you build with, for, and on OpenAI.
API Platform
Use our APIs and models to build your own AI experiences.
Codex
Build and ship faster with our coding agent — everywhere you work.
Apps SDK
Extend ChatGPT with your apps built on top of the Model Context Protocol.
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Introducing the Codex app
See the Codex app in action and how it helps you build and ship faster.
Codex in JetBrains IDEs
How to use Codex inside JetBrains IDEs like Rider, IntelliJ, PyCharm, and WebStorm.
Docs MCP
Search and read OpenAI developer docs from your editor using MCP.
Gpt-image-1.5 Prompting Guide
Cookbook to prompt gpt-image-1.5 for reliable image generation results.
GPT-5.2 Prompting Guide
Cookbook to prompt GPT-5.2 for accurate, concise enterprise workflows.
Codex Prompting Guide
Codex models advance the frontier of intelligence and efficiency and our recommended agentic coding model. Follow this guide closely to ensure you’re getting th
