Build Hour: Apps in ChatGPT

Build a new generation of apps you can chat with right inside ChatGPT using Codex. In this Build Hour, we walkthrough how to design, build, and improve a realtime multi-player ChatGPT app from first setup to advanced UI patterns.

Corey Ching (Developer Experience) covers:
• How Apps in ChatGPT work and how to build them with Codex
• Using the Apps SDK, docs MCP server, and developer mode
• Improving an app with UI/UX guidelines
• Best practices & live Q&A

👉 OpenAI Apps SDK: https://developers.openai.com/apps-sdk
👉 What makes a great ChatGPT app: https://developers.openai.com/blog/what-makes-a-great-chatgpt-app/
👉 Follow along with the code repo: http://github.com/openai/build-hours
👉 Sign up for upcoming live Build Hours: https://webinar.openai.com/buildhours

00:00 Introduction
02:43 Apps Platform
04:07 Demo of Apps in ChatGPT
10:44 What is an App in ChatGPT
13:58 Building an App Process
16:58 Creating an App with Codex
26:57 Demo of Realtime Ping-Pong App
34:01 Best Practices: Iterating on your App
41:52 Q&A