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Get started

• Quickstart
• Using GPT-5.6
• Key concepts

Core concepts

• Responses API
• Conversation state
• Background mode
• Streaming
• WebSocket mode
• Multi-agent
• Webhooks
• File inputs
• Compaction
• Counting tokens

SDKs and CLI

• OpenAI SDK
• OpenAI CLI

Resources

• Changelog
• Deprecations
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• OpenAI Crawlers
• Terms and policies

Legacy APIs

• Agent Builder

  • Overview
  • Migration guide
  • Node reference
  • Safety in building agents
• Evals

  • Getting started
  • Working with evals
  • Prompt optimizer
  • External models
  • Best practices
  • Graders
• Fine-tuning

  • Optimization cycle
  • Supervised fine-tuning
  • Vision fine-tuning
  • Direct preference optimization
  • Reinforcement fine-tuning
  • RFT use cases
  • Best practices
• Assistants API

  • Migration guide
  • Deep dive
  • Tools

• Model catalog

Choose a model

• Pricing
• Model selection

Text and code

• Text generation
• Code generation
• Structured output

Prompting

• Overview
• Prompt engineering
• Citation formatting
• Migration guide
• Prompt generation
• Frontend prompting

Reasoning

• Reasoning models
• Reasoning best practices

Images and video

• Images and vision
• Image generation
• Video generation

Realtime and audio

• Audio and speech
• Overview
• Voice agents

Specialized models

• Deep research
• Embeddings
• Moderation

• Overview

Agents SDK

• Quickstart
• Agent definitions
• Models and providers
• Running agents
• Sandbox agents
• Orchestration
• Guardrails
• Results and state
• Integrations and observability
• Evaluate agent workflows

ChatKit

• Overview
• Customize
• Widgets
• Actions
• Advanced integrations

• Overview
• Function calling

Search and retrieval

• Web search
• File search
• Retrieval

Connect tools and data

• MCP and Connectors
• Secure MCP Tunnel

Build tool workflows

• Skills
• Tool search
• Programmatic tool calling

Computer and code

• Shell
• Computer use
• Apply Patch
• Local shell
• Code interpreter

Media

• Image generation

• Overview

Get started

• Voice agents
• Live translation
• Realtime prompting guide

Audio

• Audio and speech
• Transcription
• File transcription
• Realtime transcription
• Speech generation

Connection methods

• WebRTC
• WebSocket
• SIP

Sessions and operations

• Managing conversations
• Voice activity detection
• Realtime with tools
• Webhooks and server-side controls
• Managing costs

Go live

• Production best practices
• Deployment checklist

Performance and quality

• Latency optimization
• Predicted Outputs
• Fast mode
• Accuracy optimization

Cost and throughput

• Cost optimization
• Prompt caching
• Batch
• Flex processing

Safety and governance

• Safety best practices
• Red teaming
• Safety checks

  • Cybersecurity checks
  • Under 18 API Guidance
• CSAM guidance
• Content provenance
• Your data
• Permissions

Infrastructure and access

• Terraform provider

  • Overview
  • Projects and access
  • Service accounts
  • Rate limits and spend
  • Model, tool, and data controls
  • Import and reconciliation
• Private Link
• IP allowlist
• Workload identity federation

  • X.509 certificates (beta)
  • Kubernetes
  • AWS
  • Microsoft Azure
  • Google Cloud
  • Oracle Cloud Infrastructure
  • GitHub Actions
  • SPIFFE
• IP egress ranges
• Amazon Bedrock

Operations

• Rate limits
• Spend limits
• Admin APIs
• Error codes

• Home
• Quickstart

Core concepts

• Plugin architecture
• Skills
• MCP server

Plan

• Brainstorm use cases
• Define tools

Build

• Build an MCP server
• Add UI to your MCP server (optional)
• Authenticate users
• Build skills
• Package your plugin
• Examples

Test and publish

• Connect and test your plugin
• Submit and publish
• Submission error reference

Conversion specs

• Restaurant reservation spec
• Get Quote spec
• Product checkout spec

Guides

• UI guidelines
• Optimize Metadata
• Submit a Claude Code plugin
• Security & Privacy
• Troubleshooting

Resources

• Changelog
• Plugin guidelines
• MCP server review requirements
• Plugin UI reference
• Checkout API reference

• Home

Get started

• Trigger workspace agent runs
• Authenticate with Workspace Agent access tokens

• Home

Guides

• Get started
• Best practices

File Upload

• Overview
• Products

API

• Overview
• Feeds
• Products
• Promotions

• Ads Overview

Measurement

• Measurement Pixel
• Multiple Pixels (Advanced)
• Image Tag
• Conversions API
• Supported Events

Advertiser API

• Overview
• API Partner Setup
• Quickstart
• Bulk API
• Product Feeds
• Delta Feeds API
• Campaign Targeting
• Conversion-Optimized Campaigns

API Reference

• Authentication
• Ad Account
• Campaigns
• Ad Groups
• Ads
• Insights
• Files
• Conversion Setup

• Home

Get started

• Quickstart
• Use ChatGPT
• Get started with Work
• Import from another agent

Foundations

• Prompting
• Personalize ChatGPT
• Skills & Plugins
• Permissions

Explore

• What's new
• Models
• Pricing
• Glossary

Available on

• ChatGPT desktop app
• Remote
• ChatGPT on the web
• Codex CLI
• Codex IDE extension
• Codex cloud

Releases

• Changelog
• Feature Maturity
• Open Source

• Overview

Workflows

• Projects and chats
• Sites
• Visualizations
• Scheduled tasks
• Long-running work
• Notifications
• Pets
• Codex Micro

Capabilities

• Browser
• Computer use
• Voice
• Plugins
• Web search
• Image generation
• Image inputs
• Appshots
• Chrome extension
• Work with files

Reference

• Commands
• Slash commands
• Settings
• Troubleshooting

• Overview

Customization

• Overview
• Memories
• Computer History

Config file

• Config Basics
• Advanced Config
• Config Reference
• Environment Variables
• Sample Config

Agent configuration

• AGENTS.md
• Subagents
• Speed
• Rules

Extend ChatGPT and Codex

• Record & Replay
• MCP

Linux

• Desktop app

Windows

• Desktop app
• Windows sandbox
• WSL

• Overview

Development workflows

• Code review
• Integrated terminal

Extend and automate

• Build skills
• Build plugins
• Hooks

Environments

• Modes
• Local environments
• Cloud environment
• Git worktrees

Build with Codex

• Codex SDK
• App Server
• MCP Server
• GitHub Action
• Non-interactive mode

Third-party integrations

• GitHub
• Slack
• Linear

Reference

• CLI customization
• Developer commands
• Developer settings

• Overview

Permissions

• Profiles
• Sandboxing
• Auto-review
• Agent approvals & security
• Internet access

Codex Security

• Overview
• Codex Security plugin

  • Quickstart
  • Run a security scan
  • Run a deep scan
  • Review code changes
  • Use the Security workbench
  • Triage a backlog
  • Fix findings
  • Propose security hardening
  • Write vulnerability reports
  • Export and track findings
  • Changelog
• Codex Security CLI

  • Quickstart
  • Run bulk scans
  • Run scans in CI
  • Reference
  • FAQ
• TypeScript SDK
• Codex Security cloud

  • Setup
  • Security Review
  • Improving the threat model
  • FAQ

Cyber safety

• Models & Trusted Access
• Recommended configuration

• Overview

Getting started

• Admin rollout guide
• ChatGPT Work Overview
• ChatGPT Work admin FAQ

Identity and authentication

• Authentication overview
• Personal Access Tokens
• Service accounts

Workspace access, policy, and models

• Groups and provisioning
• Roles and workspace permissions
• GPTs and Sharing
• Managed configuration
• Prisma AIRS
• HIPAA configuration
• Workspace model availability

Plugin and connector controls

• Plugin controls
• Skill controls

Usage, governance, and compliance

• Governance
• Workspace analytics
• Analytics API
• Compliance API and audit events

Deployment and model providers

• Manage app updates
• Windows app deployment
• Remote connections
• Amazon Bedrock

• Explore use cases
• Collections

• Home
• Videos
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Community

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• Meetups

Blog

• Company blog
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• Explore use cases
• Collections

• Home
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• Online trainings

Community

• Codex Ambassadors
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Blog

• Company blog
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• All posts

Recent

• Codex as a platform: build on the open agent harness
• Custom Code Review rules for Codex
• Mastering remote engineering work from your phone
• Making private MCP servers reachable without making them public
• How Perplexity Brought Voice Search to Millions Using the Realtime API

Topics

• General
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• Apps SDK
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• Home

Topics

• Agents
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• Optimization
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• Codex
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Contribute

• Cookbook on GitHub

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Categories

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Topics

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Programs

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Events

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Spaces

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