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People keep saying GPT-5.5 + Codex mogs Claude Code. So I got OpenAI PM Abhi Muchhal to show me exactly how to use Codex like a pro: 03:48 - What Codex unlocks for PM work 05:34 - How he built his growth dashboard 11:32 - How to build in... show more

Aakash Gupta

333,763 subscribers

106,765 views • 5 months ago •via X (Twitter)

Science & Technology Education

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6 Comments

Aakash Gupta5 months ago

YouTube:

AI Subscription Deals5 months ago

@AbhiMuch The real Codex edge is boring less context switching fewer mystery steps and an audit trail PMs can actually inspect.

Wee Siang LIM5 months ago

@AbhiMuch In Tameshigiri, test-cutting with a sword, beginners think the technique is in the blade. Get the right sword, cut better. It never works. The cut comes from the practitioner. Codex vs Claude Code is the same argument. The tool is not the variable. The person using it is.

Ian Lazar, CPA5 months ago

@AbhiMuch Sounds like a shitty CPA

Mia 🩷5 months ago

@AbhiMuch Thanks for this ❤️

AI Mastery Guide5 months ago

@AbhiMuch Moving away from PRDs to Codex prototypes is the shift PMs are sleeping on, show don't write

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00:00 Introducing Codex 01:38 Setup and kicking off tasks 05:05 Environments 07:20 Guiding Codex with a Markdown file 12:00 The Codex origin story 14:25 Verifying and reviewing Codex tasks 17:28 Using Codex at OpenAI 20:48 Availability via ChatGPT 21:22 Roadmap and Codex CLI updates

00:00 Introducing Codex 01:38 Setup and kicking off tasks 05:05 Environments 07:20 Guiding Codex with a Markdown file 12:00 The Codex origin story 14:25 Verifying and reviewing Codex tasks 17:28 Using Codex at OpenAI 20:48 Availability via ChatGPT 21:22 Roadmap and Codex CLI updates

OpenAI Developers

469,702 views • 1 year ago

OpenAI just dropped a 1-hour workshop on how to build agentic systems with Codex from scratch. • 00:36 - deep dive into Codex: agents, subagents • 11:34 - Codex agentic prompting patterns • 20:06 - long-running Codex agents with /goal • 30:03 - building skills for Codex agents • 41:28 - self-improving loops with / automations This 1-hour workshop from the OpenAI team could easily replace a $500 AI engineering course. Watch today, then save it for later.

OpenAI just dropped a 1-hour workshop on how to build agentic systems with Codex from scratch. • 00:36 - deep dive into Codex: agents, subagents • 11:34 - Codex agentic prompting patterns • 20:06 - long-running Codex agents with /goal • 30:03 - building skills for Codex agents • 41:28 - self-improving loops with / automations This 1-hour workshop from the OpenAI team could easily replace a $500 AI engineering course. Watch today, then save it for later.

Luna Tech

176,501 views • 2 months ago

OpenAI senior engineer just released a 1-hour course on building agentic systems with Codex from scratch: • 00:36 - deep dive into Codex: agents, subagents • 11:34 - Codex agentic prompting patterns • 20:06 - long running Codex agents with /goal • 30:03 - building skills for Codex agents • 41:28 - self-improving loops with /automations this 1-hour workshop by the OpenAI team will replace a $500 AI engineering course watch today, then read how to build self-improving agentic systems with loops & graphs in the article below

OpenAI senior engineer just released a 1-hour course on building agentic systems with Codex from scratch: • 00:36 - deep dive into Codex: agents, subagents • 11:34 - Codex agentic prompting patterns • 20:06 - long running Codex agents with /goal • 30:03 - building skills for Codex agents • 41:28 - self-improving loops with /automations this 1-hour workshop by the OpenAI team will replace a $500 AI engineering course watch today, then read how to build self-improving agentic systems with loops & graphs in the article below

Codez

61,313 views • 2 months ago

I built a new plugin! You can now trigger Codex from Claude Code! Use the Codex plugin for Claude Code to delegate tasks to Codex or have Codex review your changes using your ChatGPT subscription. Start by installing the plugin:

I built a new plugin! You can now trigger Codex from Claude Code! Use the Codex plugin for Claude Code to delegate tasks to Codex or have Codex review your changes using your ChatGPT subscription. Start by installing the plugin:

dominik kundel

1,290,869 views • 7 months ago

OpenAI released Codex Mobile App Directly on ChatGPT Here's everything you need to know: 1. How to set it up 2. How to fully vibecode from Codex Mobile 3. How to control your computer with Codex Mobile 00:00 Setting Up Codex Mobile on @ChatGPTapp 02:15 Changing Settings - Chats First 03:01 Voice Mode 04:05 Plugins and Skills 05:07 Notifications and Permissions 06:52 Flaws of Vibe Coding Out of the Box 07:13 Vibe Coding Skill (Yolo Mode w Vercel) 10:28 Using ChatGPT app as Full Vibe Coding Platform 12:15 Using ChatGPT to Control my computer 13:33 Where I put all my Agent Skills @chorusskills

OpenAI released Codex Mobile App Directly on ChatGPT Here's everything you need to know: 1. How to set it up 2. How to fully vibecode from Codex Mobile 3. How to control your computer with Codex Mobile 00:00 Setting Up Codex Mobile on @ChatGPTapp 02:15 Changing Settings - Chats First 03:01 Voice Mode 04:05 Plugins and Skills 05:07 Notifications and Permissions 06:52 Flaws of Vibe Coding Out of the Box 07:13 Vibe Coding Skill (Yolo Mode w Vercel) 10:28 Using ChatGPT app as Full Vibe Coding Platform 12:15 Using ChatGPT to Control my computer 13:33 Where I put all my Agent Skills @chorusskills

Riley Brown

92,774 views • 5 months ago

❤️‍🔥Codex is so cracked at animated websites. Just Recorded a 11 min Tutorial on how to build websites with GPT 5.5 + Codex

❤️‍🔥Codex is so cracked at animated websites. Just Recorded a 11 min Tutorial on how to build websites with GPT 5.5 + Codex

Viktor Oddy

77,353 views • 4 months ago

Builders Unscripted with matias Matias talked to Romain Huet about bringing Codex to work and into side-project workflows. 00:58 Codex at Alchemy 01:51 Code review catches bugs 08:04 Side projects with Codex 18:51 Codex App Server projects 24:01 Computer use, GPT-5.5, SnapCat

Builders Unscripted with matias Matias talked to Romain Huet about bringing Codex to work and into side-project workflows. 00:58 Codex at Alchemy 01:51 Code review catches bugs 08:04 Side projects with Codex 18:51 Codex App Server projects 24:01 Computer use, GPT-5.5, SnapCat

OpenAI Developers

43,029 views • 5 months ago

yesterday, at the Codex hackathon, i ended up solving this problem by building an MCP connector app that turns ChatGPT into Codex, sort of. 1. you get to use GPT-5.5 Pro by exposing your local dev environment to ChatGPT, so you can use 5.5 pro for planning and handover to codex to execute it 2. you get to 2x your rate limits, just like last month, because apparently ChatGPT and Codex have separate rate limits here is the quick demo

yesterday, at the Codex hackathon, i ended up solving this problem by building an MCP connector app that turns ChatGPT into Codex, sort of. 1. you get to use GPT-5.5 Pro by exposing your local dev environment to ChatGPT, so you can use 5.5 pro for planning and handover to codex to execute it 2. you get to 2x your rate limits, just like last month, because apparently ChatGPT and Codex have separate rate limits here is the quick demo

waishnav

558,895 views • 4 months ago

When I talk to serious software engineers, they tell me everyone is sleeping on Codex + GPT 5.2 from OpenAI Which is why I was hyped to get an insiders "how to" from Alexander Embiricos product lead for Codex, showing us how he and the team use Codex to ship almost everything at oai. He'll show us how to: - jump into a new repo and start contributing, even as a non-technical PM - run git worktrees to parallelize agent tasks across codex instances - use best practices and to spec out your work and let codex rip We also talk model vs. harness and how to spy on codex development (which is all OSS!) to understand how to optimize your own implementations. This episode is brought to you by our amazing sponsors 🧠🤑 Brex - The intelligent finance platform built for founders 🦎🐛 Greptile - Your AI code review platform Watch it here:

When I talk to serious software engineers, they tell me everyone is sleeping on Codex + GPT 5.2 from OpenAI Which is why I was hyped to get an insiders "how to" from Alexander Embiricos product lead for Codex, showing us how he and the team use Codex to ship almost everything at oai. He'll show us how to: - jump into a new repo and start contributing, even as a non-technical PM - run git worktrees to parallelize agent tasks across codex instances - use best practices and to spec out your work and let codex rip We also talk model vs. harness and how to spy on codex development (which is all OSS!) to understand how to optimize your own implementations. This episode is brought to you by our amazing sponsors 🧠🤑 Brex - The intelligent finance platform built for founders 🦎🐛 Greptile - Your AI code review platform Watch it here:

claire vo 🖤

48,134 views • 10 months ago

THE 64 MINUTE OPENAI CODEX MASTERCLASS IS HERE if you've been meaning to learn Codex, this is the episode for you, we cover: 1/ Claude vs Codex (what's better?) 2/How to run Claude Code inside Codex (really cool) 3/Why GPT 5.5 changed everything for browser agents 4/How to create skills (reusable agents you build once and call by name forever) 5/How to connect Notion with surgical permissions (one database, not the whole workspace) 6/How to use Remotion inside Codex to create videos 7/ How to one-shot full mobile apps in Swift 8/The 4 projects to run on day one to get up to speed fast shoutout to Riley Brown for coming onto The Startup Ideas Podcast (SIP) 🧃 for the 5th time. every episode he delivers. this one is the Codex masterclass. if you've been meaning to learn Codex, this is the episode. 100% free i just want to see you build your ideas. watch

THE 64 MINUTE OPENAI CODEX MASTERCLASS IS HERE if you've been meaning to learn Codex, this is the episode for you, we cover: 1/ Claude vs Codex (what's better?) 2/How to run Claude Code inside Codex (really cool) 3/Why GPT 5.5 changed everything for browser agents 4/How to create skills (reusable agents you build once and call by name forever) 5/How to connect Notion with surgical permissions (one database, not the whole workspace) 6/How to use Remotion inside Codex to create videos 7/ How to one-shot full mobile apps in Swift 8/The 4 projects to run on day one to get up to speed fast shoutout to Riley Brown for coming onto The Startup Ideas Podcast (SIP) 🧃 for the 5th time. every episode he delivers. this one is the Codex masterclass. if you've been meaning to learn Codex, this is the episode. 100% free i just want to see you build your ideas. watch

GREG ISENBERG

201,217 views • 6 months ago

Starting today you can use Codex in Claude Code 👀 /plugin marketplace add openai/codex-plugin-cc Try it out today with: /codex:review for a normal read-only Codex review /codex:adversarial-review for a steerable challenge review /codex:rescue to let codex rescue your code Enjoy Codex-ing!

Starting today you can use Codex in Claude Code 👀 /plugin marketplace add openai/codex-plugin-cc Try it out today with: /codex:review for a normal read-only Codex review /codex:adversarial-review for a steerable challenge review /codex:rescue to let codex rescue your code Enjoy Codex-ing!

Vaibhav (VB) Srivastav

958,347 views • 7 months ago

Three months ago, Codex was trash for knowledge work. Now it's my daily driver. I use it for writing, recruiting, deep engineering work, and everything in between. It even keeps me at inbox 0. I chatted with Every 🧱's head of growth Austin Austin Tedesco on Every 🧱's AI & I about what changed, and why he now spends 80% of his working time in the Codex desktop app too. We get into: - How Codex went from making Austin feel like an idiot to being the place he goes to get stuff done, including complex tasks like writing go-to-market plans using existing material from Slack, Notion, and meeting transcripts. - Why the Codex’s desktop app, which is faster and more reliable than Claude Desktop/Cowork, is the real differentiator. - How I source candidates with Codex by having it identify career arcs, not keywords—my go-to move is identifying organizations likely to teach the skills Every needs for a role, and then find candidates from that pool who have since gone on to work in AI. This is a must-watch for anyone who's wondering whether it’s finally time to give Codex a try. Watch below! Timestamps How Codex went from a tool for senior engineers to a daily driver for knowledge work: 00:00:57 How Claude Code proved that a great coding agent works for any knowledge work: 00:02:42 Austin's switch to Codex: 00:07:24 How Austin set up Codex with folders, keys, and reviewer agents: 00:13:48 Using Codex to brainstorm automations across Gmail, Slack, and Notion: 00:18:24 How Austin manages the human review step when Codex is drafting communications: 00:22:42 Using Codex to build specialized agents inspired by product executive Claire Vo: 00:28:54 Synthesizing meeting transcripts and Slack threads into a go-to-market plan: 00:31:09 Building a live KPI tracker in Notion that agents can read: 00:40:15 Using Codex for recruiting: 00:44:54

Three months ago, Codex was trash for knowledge work. Now it's my daily driver. I use it for writing, recruiting, deep engineering work, and everything in between. It even keeps me at inbox 0. I chatted with Every 🧱's head of growth Austin Austin Tedesco on Every 🧱's AI & I about what changed, and why he now spends 80% of his working time in the Codex desktop app too. We get into: - How Codex went from making Austin feel like an idiot to being the place he goes to get stuff done, including complex tasks like writing go-to-market plans using existing material from Slack, Notion, and meeting transcripts. - Why the Codex’s desktop app, which is faster and more reliable than Claude Desktop/Cowork, is the real differentiator. - How I source candidates with Codex by having it identify career arcs, not keywords—my go-to move is identifying organizations likely to teach the skills Every needs for a role, and then find candidates from that pool who have since gone on to work in AI. This is a must-watch for anyone who's wondering whether it’s finally time to give Codex a try. Watch below! Timestamps How Codex went from a tool for senior engineers to a daily driver for knowledge work: 00:00:57 How Claude Code proved that a great coding agent works for any knowledge work: 00:02:42 Austin's switch to Codex: 00:07:24 How Austin set up Codex with folders, keys, and reviewer agents: 00:13:48 Using Codex to brainstorm automations across Gmail, Slack, and Notion: 00:18:24 How Austin manages the human review step when Codex is drafting communications: 00:22:42 Using Codex to build specialized agents inspired by product executive Claire Vo: 00:28:54 Synthesizing meeting transcripts and Slack threads into a go-to-market plan: 00:31:09 Building a live KPI tracker in Notion that agents can read: 00:40:15 Using Codex for recruiting: 00:44:54

Dan Shipper 📧

55,561 views • 6 months ago

"You cannot walk from point A to B inside OpenAI without hearing Codex get mentioned." Here's my new episode with Rohan Varma (Codex PM) on how he uses Codex as his everything app to: → Prototype designs with Image Gen → Turn repeated work into automations → Turn project context into live Codex Sites → Use one Codex thread to manage others Some quotes from Rohan: "[Ask Codex] for something that seems 10x more ridiculous than you ever think it could do. And it probably can do 90% of it." "Over the course of the day, I'm probably doing 3-4x more than I would have without Codex." "For me, every time I do anything I basically think, could Codex have done this?" 📌 Watch now: Thanks to our sponsors: Wispr Flow: 4x faster than typing with your voice Riverside: All-in-one AI studio for podcasts and video

"You cannot walk from point A to B inside OpenAI without hearing Codex get mentioned." Here's my new episode with Rohan Varma (Codex PM) on how he uses Codex as his everything app to: → Prototype designs with Image Gen → Turn repeated work into automations → Turn project context into live Codex Sites → Use one Codex thread to manage others Some quotes from Rohan: "[Ask Codex] for something that seems 10x more ridiculous than you ever think it could do. And it probably can do 90% of it." "Over the course of the day, I'm probably doing 3-4x more than I would have without Codex." "For me, every time I do anything I basically think, could Codex have done this?" 📌 Watch now: Thanks to our sponsors: Wispr Flow: 4x faster than typing with your voice Riverside: All-in-one AI studio for podcasts and video

Peter Yang

141,909 views • 4 months ago

Codex has come a long way since April. Over the next two weeks, we’re releasing a series of videos to help you get better acquainted with Codex — starting with how to use the Codex CLI with GPT-5-Codex.

Codex has come a long way since April. Over the next two weeks, we’re releasing a series of videos to help you get better acquainted with Codex — starting with how to use the Codex CLI with GPT-5-Codex.

OpenAI Developers

190,153 views • 1 year ago

Still wondering how you can use Codex for (almost) everything? Codex can help with more of the work that supports the work, from organizing research to making spreadsheets, decks, and summaries.

Still wondering how you can use Codex for (almost) everything? Codex can help with more of the work that supports the work, from organizing research to making spreadsheets, decks, and summaries.

OpenAI

387,472 views • 6 months ago

.Natalia rode so hard for Claude Code we devoted an episode to how she was using it to automate her job running Every 📧’s consulting practice. Fast forward to five months later, and she rides just as hard for Codex. I had her back on AI & I to talk about what caused her to make the switch, including how she ran a prompt in Codex before bed and woke up to a finished, custom CRM tool. We get into: - Why she finds Codex easier to use than Claude Code - How she’s using loops in Codex to create customized tools that work exactly how she needs them to - Why the consulting team still pays for SaaS products like Attio and Asana even though they could vibe code their own versions - How she built an app to manage her father’s medical care in Codex - How knowledge work is evolving from sculpting to gardening, in which you develop the context and logic you need for an agent to execute for you This is a must-watch for anyone trying to figure out whether to build their own tools or buy real software—and what it takes to get an AI agent to run unsupervised for hours and nail the output. Watch below! Timestamps 1. Introduction: 00:01:05 2. How Natalia manages Claudie, the consulting team’s AI project manager: 00:02:35 3. Why the consulting team still pays for SaaS products: 00:04:55 4. Codex as a game changer : 00:11:47 5. Building personalized learning guides and illustrated explainers with AI: 00:14:55 6. Inside Natalia's AI-powered email triage system: 00:21:40 7. The shift from knowledge work as sculpting to knowledge work as gardening: 00:26:44 8. Using Codex to on-shot a custom CRM: 00:28:57 9. Using Codex to build an app that coordinates her father’s medical care: 00:33:16

.Natalia rode so hard for Claude Code we devoted an episode to how she was using it to automate her job running Every 📧’s consulting practice. Fast forward to five months later, and she rides just as hard for Codex. I had her back on AI & I to talk about what caused her to make the switch, including how she ran a prompt in Codex before bed and woke up to a finished, custom CRM tool. We get into: - Why she finds Codex easier to use than Claude Code - How she’s using loops in Codex to create customized tools that work exactly how she needs them to - Why the consulting team still pays for SaaS products like Attio and Asana even though they could vibe code their own versions - How she built an app to manage her father’s medical care in Codex - How knowledge work is evolving from sculpting to gardening, in which you develop the context and logic you need for an agent to execute for you This is a must-watch for anyone trying to figure out whether to build their own tools or buy real software—and what it takes to get an AI agent to run unsupervised for hours and nail the output. Watch below! Timestamps 1. Introduction: 00:01:05 2. How Natalia manages Claudie, the consulting team’s AI project manager: 00:02:35 3. Why the consulting team still pays for SaaS products: 00:04:55 4. Codex as a game changer : 00:11:47 5. Building personalized learning guides and illustrated explainers with AI: 00:14:55 6. Inside Natalia's AI-powered email triage system: 00:21:40 7. The shift from knowledge work as sculpting to knowledge work as gardening: 00:26:44 8. Using Codex to on-shot a custom CRM: 00:28:57 9. Using Codex to build an app that coordinates her father’s medical care: 00:33:16

Dan Shipper 📧

25,701 views • 4 months ago

The latest models from OpenAI – GPT-5.4 and GPT-5.3-Codex – are already in your JetBrains IDE. See how @niklas_wortmann uses Codex with Skills to get task updates on his phone.

The latest models from OpenAI – GPT-5.4 and GPT-5.3-Codex – are already in your JetBrains IDE. See how @niklas_wortmann uses Codex with Skills to get task updates on his phone.

JetBrains

15,123 views • 8 months ago

🚨UPDATED CODEX JUST GOT FREE ACCESS TO GPT-6 PRO AND GPT-5.6 PRO CODEX JUST GOT A SERIOUS UPGRADE Codex Web now lets you use your ChatGPT Web models directly inside Codex. < GPT-6 Pro < GPT-5.6 Pro < More Web models < Full harness support < Pro usage tracking in the launcher This basically brings the power of ChatGPT’s Pro models into your coding workflow without leaving Codex. And the launcher now shows your Pro usage, so you can actually keep track of how much you’re using while you build. Codex is becoming more than just a coding agent. It’s turning into a full workspace for running the best models directly against your codebase. Repo in replies.

🚨UPDATED CODEX JUST GOT FREE ACCESS TO GPT-6 PRO AND GPT-5.6 PRO CODEX JUST GOT A SERIOUS UPGRADE Codex Web now lets you use your ChatGPT Web models directly inside Codex. < GPT-6 Pro < GPT-5.6 Pro < More Web models < Full harness support < Pro usage tracking in the launcher This basically brings the power of ChatGPT’s Pro models into your coding workflow without leaving Codex. And the launcher now shows your Pro usage, so you can actually keep track of how much you’re using while you build. Codex is becoming more than just a coding agent. It’s turning into a full workspace for running the best models directly against your codebase. Repo in replies.

Melophile

195,491 views • 1 month ago

Quick demo of how I use Pi to offload tasks to Codex CLI with the pi-interactive-shell extension. Codex is notoriously tricky to prompt well so Pi reads the Codex prompting guide to generate a tailored meta-prompt, then launches Codex CLI in an overlay. pi install npm:pi-interactive-shell

Quick demo of how I use Pi to offload tasks to Codex CLI with the pi-interactive-shell extension. Codex is notoriously tricky to prompt well so Pi reads the Codex prompting guide to generate a tailored meta-prompt, then launches Codex CLI in an overlay. pi install npm:pi-interactive-shell

Nico Bailon

36,088 views • 9 months ago