OpenAI Codex, every mention
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every year anyone Lenny Rachitsky 102Sherwin Wu 43Alexander Embirikos 15Lazar Yovanovich 8Tara Seshan 6Zevi Arnovitz 5Aishwarya Reganti (Ash) 4Anish Acharya 3Bret Taylor 2Brendan Foody 2
Verbatim, from the transcripts: the passages where OpenAI Codex comes up
How we built Grok Bot in a month | Roman Ugarte (SpaceXAI)
- ▶ 2:56 Lenny Rachitsky I personally noticed I've moved a lot of my use cases from co-work and codex into grok pot, just like, just like very quickly, which again, feels like a really big deal and a very special moment.
- ▶ 8:57 Lenny Rachitsky So there's co-work evolved out of that within the product and then codecs they've invested in. 2 times in the scene
- ▶ 30:04 Lenny Rachitsky So I tweeted about how much I love GrokBot when it launched, and a lot of people replied, they're like, wait, can't you just do all this with Codex and co-work?
Why companies are becoming a series of loops | Anish Acharya (a16z)
- ▶ 4:29 Anish Acharya And yet Claude code codex lovable.
- ▶ 16:08 Lenny Rachitsky Like, I've been hearing more and more, I just saw a tweet that I think at OpenAI, the go-to-market team now is using Codex more, more of the go-to-market team is using Codex more often than even the engineering team.
- ▶ 52:06 Anish Acharya And you've seen a lot of this on X, you know, people use cloud code to edit videos, you know, or codecs to
- ▶ 1:10:50 Anish Acharya You know, I mean, for example, um, when I was playing around with Codex, I had it build a slide deck for a mother's day for my wife that pulled from my text messages.
AI’s third era: the rise of persistent AI coworkers | Tara Seshan (OpenAI’s product lead)
- ▶ 1:20 Lenny Rachitsky Tara leads product for both Codex and JATGPT work at OpenAI.
- ▶ 17:16 Tara Seshan And so there was a time where everyone internally was just like sending their codex threads, screenshots of their codex threads to each other on Slack.
- ▶ 23:58 Lenny Rachitsky To your point, the hardest part is just remembering to even to try just to be like, oh yeah, well, let me see if Codex can do this for me.
- ▶ 29:33 Lenny Rachitsky and then there's a dropdown and there's ChatGPT and Codex. 12 times in the scene
- ▶ 39:19 Lenny Rachitsky From cloud code to codex in the past few months. 4 times in the scene
- ▶ 50:33 Tara Seshan In codex, be like, create a site that, um, is a, I don't know, is a mafia game for my team and it will just do it. 4 times in the scene
- ▶ 1:13:36 Tara Seshan Ooh, um, I mean, of course, my favorite AI product is China TVT and using cool sites and visualize stuff in, in codex, which is amazing.
OpenAI’s head of platform engineering on the next 12-24 months of AI | Sherwin Wu
- ▶ 3:48 Sherwin Wu Uh, all of our code is written by, by Codex, uh, at this point. 10 times in the scene
- ▶ 8:14 Sherwin Wu Obviously not active running codex, uh, jobs. 4 times in the scene
- ▶ 12:35 Lenny Rachitsky You fire off all these, you know, codex agents, and then you have to keep stay on top of them. 6 times in the scene
- ▶ 15:27 Sherwin Wu Yeah, I mean, one thing is Codex reviews 100% of all of our PRs at this point, and so, uh, I actually think, so, 15 times in the scene
- ▶ 19:51 Sherwin Wu Uh, there's no, you know, codex for managers just, uh, yes. 6 times in the scene
- ▶ 39:05 Sherwin Wu And so, you know, like, we, um, we always talk about all these, like, best practices for codecs, all these, like, codecs-built people within OpenAI. 3 times in the scene
- ▶ 51:22 Sherwin Wu Like, even codecs and, like, the coding tools, I'd say, like, you know, it's, it's in the CLI. 2 times in the scene
- ▶ 54:26 Sherwin Wu It's, and this is why I think tools like Codex tend to be quite, quite good because it's exploring and you're giving it these like open-ended things, but software engineering is fundamentally like pretty open-ended and it's not very…
- ▶ 59:48 Sherwin Wu Like even, you know, we release these codex models now that are a little bit more optimized for the codex harness, but they always find their way into the API and like all of our, you know, customers end up abusing those.
- ▶ 1:11:25 Sherwin Wu Install the Codex client, play around with it.
The rise of the professional vibe coder (a new AI-era job)
- ▶ 1:08:42 Lazar Yovanovich My go-to tool today for that is Codex, OpenAI, right? 8 times in the scene
How a Meta PM ships products without ever writing code | Zevi Arnovitz
- ▶ 0:44 Zevi Arnovitz But what's even cooler is I have codex as well as cursor open.
- ▶ 39:37 Zevi Arnovitz But what's even cooler and something that I'm really proud of is I will usually do multiple reviews and I'll have Codex, which is ChatGPT's competitor to Cloud Code, as well as cursor open, and I will have each of them review the code. 4 times in the scene
Why most AI products fail: Lessons from 50+ AI deployments at OpenAI, Google & Amazon
- ▶ 1:33 Lenny Rachitsky Kuriti works on Codex at OpenAI and has spent the last decade building AI and ML infrastructure at Google and at Kumo.
- ▶ 41:39 Lenny Rachitsky What can you share Kuriti on Codex and the Codex team of how you approach evals? 3 times in the scene
- ▶ 1:03:31 Lenny Rachitsky So the idea there is, uh, you'll probably be more successful building and using, uh, an agent that is able to do its own sub-agent splitting of work versus like a bunch of say codex agents where you do this task, you do that task.
- ▶ 1:19:34 Aishwarya Reganti (Ash) Um, the best part is it's a conceptual transcription tool, which means if you go to, you know, Codex and start using Whisperflow, it starts identifying variables and all of that, and it's so seamless in terms of transcription to… 4 times in the scene
Inside OpenAI: 2026 is the year of agents, AI’s biggest bottleneck, and why compute isn’t the issue
- ▶ 0:00 Lenny Rachitsky Do lead work on Codex. 9 times in the scene
- ▶ 1:35 Lenny Rachitsky Today, my guest is Alexander Embirikos, product lead for Codex, OpenAI's incredibly popular and powerful coding agent. 4 times in the scene
- ▶ 11:35 Lenny Rachitsky So let's talk Codex. 10 times in the scene
- ▶ 15:47 Lenny Rachitsky Is there any stats, any numbers you can share about how Codex is doing? 10 times in the scene
- ▶ 21:27 Lenny Rachitsky Is there something else that helped Codex accelerate its ability to actually code? 3 times in the scene
- ▶ 35:19 Alexander Embirikos Like, if you're gonna have an agent capability to validate work, and let's say you have, like, I'm thinking of CodexWeb right now, like, you have a pane that sort of reflects the work the agent did. 3 times in the scene
- ▶ 39:29 Alexander Embirikos Um, I would argue, um, it's funny, actually not to confuse things at all, but like the first time we used the, the, the brand codex at OpenAI was actually the model powering GitHub Copilot. 4 times in the scene
- ▶ 44:09 Lenny Rachitsky What has the impact of Codex been on the way you operate as a product person, as a PM? 14 times in the scene
- ▶ 55:36 Lenny Rachitsky When you think about progress on Codex, I imagine you have a bunch of evals and there's all these public benchmarks. 4 times in the scene
- ▶ 59:22 Alexander Embirikos Um, and so I, I would, you know, I still think of Codex actually as like a contextual assistant, um, from a little bit of a different angle, like starting with coding tasks. 2 times in the scene
- ▶ 1:02:10 Lenny Rachitsky Speaking of that, are there other non-engineering common use cases for codecs? 14 times in the scene
- ▶ 1:13:44 Alexander Embirikos I think, uh, one thing is that the Codex team is growing. 4 times in the scene
- ▶ 1:23:32 Alexander Embirikos Um, and, uh, yeah, if you post in r slash Codex, I'll probably see it. 2 times in the scene
Why experts writing AI evals is creating the fastest-growing companies in history | Brendan Foody
- ▶ 21:50 Brendan Foody And so we'll give people interviews where we say, use ChatGPT and Codex, use Cloud Code, use whatever tool cursor and whatever tools are available to build a website.
- ▶ 1:04:06 Brendan Foody I love using Codex, like the new version.
He saved OpenAI, invented the “Like” button, and built Google Maps: Bret Taylor (Sierra)
- ▶ 1:09:42 Bret Taylor Uh, like, OpenAI has codex, and there's, you know, Claude has, I can't remember the anthropic products, so there's lots of agentic, you know, agents coming as well.
- ▶ 1:24:09 Bret Taylor I was very excited to see codecs from open and others.
The AI-native startup: 5 products, 7-figure revenue, 100% AI-written code. | Dan Shipper (Every)
- ▶ 37:18 Dan Shipper We also use codex a bit, um, which is open AI's coding tool.
The role of AI in new product development | Ryan J. Salva (VP of Product at GitHub)
- ▶ 12:05 Ryan J. Salva Fundamentally powered by an AI model called Codex, which is a derivative of another kind of one that you might be familiar with, GPT-III.