Computer and browser use in Codex (5 real examples)

Claire Vo, product leader and creator of ChatPRD, demonstrates five real-world uses of browser and computer use via the Codex ChatGPT desktop app, including QA testing that uncovered 11 issues and one high-severity blocker, persona testing, LinkedIn inbox management, AI personal shopping, and rapid-fire tasks like form filling and iPhone mirroring. Vo emphasizes that under-prompting frontier models yields better results than detailed step-by-step instructions.

Today I’m walking you through one of my absolute favorite AI features right now: browser and computer use via Codex the ChatGPT desktop app . I use this every single day, personally and professionally, and I wanted to share the specific workflows I’ve built, the moments that surprised me, and the mental model that makes it actually click. Listen or watch on YouTube, Spotify, or Apple Podcasts What you’ll learn: How browser use and computer use work, and why the Codex desktop app plus Chrome extension is the combo I rely on How I use Codex to QA my onboarding flow, including exhaustive mobile testing I would never do manually Why under-prompting frontier models gets better results than detailed step-by-step instructions How my husband EJ Lawless’s persona-impersonation trick surfaces friction points I can’t see as the builder How I use browser use to get through my LinkedIn inbox without touching it myself How I had Codex shop Free People’s sale and add 10 medium-size items to my cart breastfeeding-friendly and Hawaii-ready How computer use can control iPhone mirroring so your Mac can technically operate your phone Three more computer-use shortcuts: filling annoying forms, creating Google Sheets mid-workflow, and managing a router Brought to you by: Runway —The creative AI platform for images, video, and more Hyperagent —Deploy fleets of agents that handle real work In this episode, we cover: 00:00 https://www.youtube.com/watch?v=lk63Sl-LRKE Intro 01:46 https://www.youtube.com/watch?v=lk63Sl-LRKE&t=106s What browser use and computer use actually are 03:08 https://www.youtube.com/watch?v=lk63Sl-LRKE&t=188s Why I use Codex specifically and how the desktop app plus Chrome extension works 04:15 https://www.youtube.com/watch?v=lk63Sl-LRKE&t=255s Use case 1: QA testing my onboarding flow 10:41 https://www.youtube.com/watch?v=lk63Sl-LRKE&t=641s Results: 11 issues, one high-severity blocker, one Google Sheet with screenshots 12:10 https://www.youtube.com/watch?v=lk63Sl-LRKE&t=730s Use case 2: persona testing 18:20 https://www.youtube.com/watch?v=lk63Sl-LRKE&t=1100s Use case 3: LinkedIn inbox, hands-free 20:37 https://www.youtube.com/watch?v=lk63Sl-LRKE&t=1237s Use case 4: AI personal shopper 23:47 https://www.youtube.com/watch?v=lk63Sl-LRKE&t=1427s Rapid-fire uses: forms, iPhone mirroring, router access from out of state, Google Docs 26:50 https://www.youtube.com/watch?v=lk63Sl-LRKE&t=1610s Wrap-up Tools referenced: • Codex ChatGPT desktop app : https://openai.com/codex https://openai.com/codex • Claude desktop app: https://claude.ai/download https://claude.ai/download • Monologue voice dictation for AI : https://monologue.app https://monologue.app • iPhone mirroring Apple : https://support.apple.com/en-us/111775 https://support.apple.com/en-us/111775 • Google Sheets: https://sheets.google.com https://sheets.google.com Other reference: • Jesse Genet episode How I AI : https://www.lennysnewsletter.com/p/5-openclaw-agents-run-my-home-finances?utm source=publication-search https://www.lennysnewsletter.com/p/5-openclaw-agents-run-my-home-finances?utm source=publication-search 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 .