# ChatGPT Codex Voice + browser + Sites: an expert’s AI workflow | Nick Baumann (OpenAI)

> Source: <https://www.lennysnewsletter.com/p/chatgpt-codex-voice-browser-sites>
> Published: 2026-08-03 12:04:26+00:00

**Nick Baumann** is on the Developer Experience team at OpenAI, where he spends his days building with, testing, and communicating the capabilities of ChatGPT Codex and ChatGPT Work. In this episode, Nick walks me through several features that have launched or evolved recently: the new voice interface with its screen-reading orb, the Heartbeats automation system in ChatGPT Work on mobile, the live ChatGPT Sites deployment feature, and his personal use case for AI-assisted UGC video editing.

**Listen or watch on YouTube, Spotify, or Apple Podcasts**

### What you’ll learn:

How two-person voice chat works

How Heartbeats work

How to build and deploy a live website with ChatGPT Sites

How to delegate a flight search, hotel booking, and expense report to Codex in a single voice conversation without opening a single app manually

Why ChatGPT Work on mobile is the most underutilized AI workflow for people already using the ChatGPT app

How to use a custom UGC Video plugin to feed 50 raw clips into ChatGPT, let it pull transcripts, pick the best takes, and assemble a finished vertical video overnight

### Brought to you by:

** Bolt.new**—Turn your idea into a real product

** Hyperagent**—Deploy fleets of agents that handle real work

### In this episode, we cover:

([00:00](https://www.youtube.com/watch?v=EgrI2rUmM48)) Introduction to Nick Baumann

([02:56](https://www.youtube.com/watch?v=EgrI2rUmM48&t=176s)) What’s new in Codex

([05:40](https://www.youtube.com/watch?v=EgrI2rUmM48&t=340s)) ChatGPT Work and Heartbeats

([06:40](https://www.youtube.com/watch?v=EgrI2rUmM48&t=400s)) Live Codex voice demo

([13:25](https://www.youtube.com/watch?v=EgrI2rUmM48&t=805s)) Latency vs. intelligence

([14:36](https://www.youtube.com/watch?v=EgrI2rUmM48&t=876s)) Quick recap

([15:04](https://www.youtube.com/watch?v=EgrI2rUmM48&t=904s)) Voice on mobile and the ChatGPT Sites workflow

([21:24](https://www.youtube.com/watch?v=EgrI2rUmM48&t=1284s)) Live UGC video demo

([32:30](https://www.youtube.com/watch?v=EgrI2rUmM48&t=1950s)) How I AI website results

([34:04](https://www.youtube.com/watch?v=EgrI2rUmM48&t=2044s)) Lightning round and final thoughts

### Tools referenced:

• ChatGPT Codex: [https://chatgpt.com/codex](https://chatgpt.com/codex)

• ChatGPT Sites: [https://chatgpt.site](https://chatgpt.site)

### Where to find Nick Baumann:

LinkedIn: [linkedin.com/in/nick--baumann](http://linkedin.com/in/nick--baumann)

### Where to find Claire Vo:

ChatPRD: [https://www.chatprd.ai/](https://www.chatprd.ai/)

Website: [https://clairevo.com/](https://clairevo.com/)

LinkedIn: [https://www.linkedin.com/in/clairevo/](https://www.linkedin.com/in/clairevo/)

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