Get inspired and build

Learning tracks

Building agents

Building agents

Learn how to build agents: Foundational concepts to practical implementation

AI app development: Concept to production

AI app development: Concept to production

Build, deploy, and optimize AI apps.

Model optimization

Model optimization

Fine-tune, distill, and optimize models for the best performance and cost.

Demo apps

ChatKit starter app

ChatKit starter app

Integrate ChatKit with an Agent Builder workflow in your application.

Apps SDK examples

Apps SDK examples

Example demo apps and corresponding MCP servers for the Apps SDK.

Responses starter app

Responses starter app

Starter application demonstrating OpenAI Responses API with tools.

Videos

Codex code review

Codex code review

Walkthrough of how Codex drives end-to-end pull request reviews with the new onboarding flow.

Introducing the Codex app

Introducing the Codex app

See the Codex app in action and how it helps you build and ship faster.

Build beautiful frontends with OpenAI Codex

Build beautiful frontends with OpenAI Codex

Learn how OpenAI Codex's multimodal abilities accelerate frontend development.

Cookbooks

GPT-5.2 Prompting Guide

GPT-5.2 Prompting Guide

Cookbook to prompt GPT-5.2 for accurate, concise enterprise workflows.

Sora 2 Prompting Guide

Sora 2 Prompting Guide

Cookbook to craft effective video prompts for Sora 2 generation.

Multi-Tool Orchestration with RAG approach using OpenAI's Responses API

Multi-Tool Orchestration with RAG approach using OpenAI's Responses API

Cookbook to route queries across tools with RAG using the Responses API.

Guides

Docs MCP

Docs MCP

Search and read OpenAI developer docs from your editor using MCP.

Building agents guide

Building agents guide

Official guide to building agents using the OpenAI platform.

Fine-tuning guide

Fine-tuning guide

Comprehensive guide to fine-tuning OpenAI models.