Primary navigation

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

View all
ChatKit starter app

ChatKit starter app

Integrate ChatKit with an Agent Builder workflow in your application.

code
Apps SDK examples

Apps SDK examples

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

code
Responses starter app

Responses starter app

Starter application demonstrating OpenAI Responses API with tools.

code

Videos

View all
Build beautiful frontends with OpenAI Codex

Build beautiful frontends with OpenAI Codex

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

video
Build hour — built-in tools

Build hour — built-in tools

Build hour giving an overview of built-in tools available in the Responses API.

video
Build hour — agentic tool calling

Build hour — agentic tool calling

Build hour giving an overview of agentic tool calling.

video

Cookbooks

View all
Sora prompting guide

Sora prompting guide

Cookbook guide showing how to prompt Sora 2 in the API.

cookbook
GPT-5 prompting guide

GPT-5 prompting guide

Cookbook guide on how to maximize GPT-5's performance.

cookbook

Guides

View all
Building agents guide

Building agents guide

Official guide to building agents using the OpenAI platform.

guide
Fine-tuning guide

Fine-tuning guide

Comprehensive guide to fine-tuning OpenAI models.

guide
Structured outputs guide

Structured outputs guide

Guide for producing structured outputs with the Responses API.

guide