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

Nick Baumann, a member of OpenAI's Developer Experience team, demonstrated new ChatGPT Codex and ChatGPT Work features, including a voice interface with screen-reading orb, Heartbeats automation, and live ChatGPT Sites deployment, in a podcast episode hosted by Claire Vo. Baumann showed how to delegate a flight search, hotel booking, and expense report to Codex in a single voice conversation and used a custom UGC Video plugin to assemble a finished vertical video from 50 raw clips overnight.

read2 min views1 publishedAug 3, 2026
ChatGPT Codex Voice + browser + Sites: an expert’s AI workflow | Nick Baumann (OpenAI)
Image: Lennysnewsletter (auto-discovered)

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

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/)

Production and marketing by [https://penname.co/](https://penname.co/). For inquiries about sponsoring the podcast, email [[email protected]](/cdn-cgi/l/email-protection).
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