For the complete documentation index, see llms.txt. Markdown versions of documentation pages are available by appending .md to the page URL.

Code generation

Learn how to use OpenAI models and Codex to generate code.

Writing, reviewing, editing, and answering questions about code is one of the primary use cases for OpenAI models today. This guide walks through your options for code generation with gpt-6-astra and Codex.

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Use Codex for out-of-the-box coding agents

Connect your codebase to Codex and accelerate your projects using software engineering agents.

Suggested

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Core concepts

SDKs and CLI

Resources

Legacy APIs

Choose a model

Text and code

Prompting

Reasoning

Images and video

Realtime and audio

Specialized models

Agents API

Agents SDK

ChatKit

Search and retrieval

Connect tools and data

Build tool workflows

Computer and code

Media

GPT-Live

Realtime API

Build with voice

Connections

Audio processing

Go live

Performance and quality

Cost and throughput

Safety and governance

Infrastructure and access

Operations

Core concepts

Plan

Build

Test and publish

Conversion specs

Guides

Resources

Get started

Guides

File Upload

API

Measurement

Advertiser API

API Reference

Get started

Foundations

Explore

Available on

Releases

Workflows

Capabilities

Reference

Customization

Config file

Agent configuration

Extend ChatGPT and Codex

Linux

Windows

Development workflows

Extend and automate

Environments

Build with Codex

Third-party integrations

Reference

Permissions

Codex Security

Cyber safety

Getting started

ChatGPT Work

Identity and authentication

Workspace access, policy, and models

Plugin and connector controls

Usage, governance, and compliance

Deployment and model providers

Community

Blog

Community

Blog