OpenAI Codex, every mention
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every year anyone Shawn Wang 45Ryan Lopopolo 34Brian Fioca 27Akshay Nathan 15Alessio Fanelli 7Samuel Colvin 6Mike Merrill 5Dylan Patel 5Sid Bendre 4Kevin Weil 4
Verbatim, from the transcripts: the passages where OpenAI Codex comes up
Orbs: Shifting Coding to Cloud — Quinn Slack, Amp Code
- ▶ 5:03 Shawn Wang Surprisingly, Codex hasn't quite done it.
- ▶ 33:35 Shawn Wang I, for what it's worth, Codex has been my CMO for the last like two months. 3 times in the scene
OpenAI’s Vision for the AI Super App — Akshay Nathan, OpenAI
- ▶ 7:24 Akshay Nathan I think maybe the one, one like impetus that like is most salient is when we release codex or even internally add codex. 7 times in the scene
- ▶ 11:08 Shawn Wang Is the Codex harness and the ChatGPT work harness the same? 5 times in the scene
- ▶ 17:54 unnamed speaker I think alongside that, outside of just harness and when to use Codex, HTTP, or work, there's also the new models you've released, right? 2 times in the scene
- ▶ 21:58 unnamed speaker This is work, and then Codex is still cooking, so we'll get back into it. 2 times in the scene
- ▶ 33:10 unnamed speaker And yeah, I did it with, uh, did it with Codex, not work, but it's interesting, right? 3 times in the scene
- ▶ 40:50 Akshay Nathan Because of Codex, 2 times in the scene
- ▶ 43:36 Akshay Nathan Like I said, we saw the magic of Codex internally, and then we're, like, extremely excited to bring this to many more people and to see it working, to, like, see us reach, you know, the distribution goal, I mean, um, numbers that you… 6 times in the scene
- ▶ 46:30 Shawn Wang Were there any lessons you took from Open Claw to Codex or back, whatever?
- ▶ 57:58 unnamed speaker How do you see the side of, okay, when you're building ChatGPT for work different than the regular chat app, different than Codex, managing memory across different projects, um, collaboration and whatnot, how do you see the, the side of…
The Future of AI Infra: from Kubernetes to Agent Sandboxes — Akshat Bubna, Modal CTO
- ▶ 5:50 unnamed speaker Like, if you were to build something today, DevEx is obviously very important, but I feel like, you know, a lot of this has kind of been changed with just hook it up to an agent, have Cloud Code, have Codex, implement the tool.
- ▶ 54:38 unnamed speaker Codex cloud from the owner team, which, which I think would be very, very strong.
Cooking with OpenAI’s Research Chief: AGI, o1, Evals, and Scaling Laws — Mark Chen
The Agent Cloud: Databricks’ Bet on the Future of AI — Matei Zaharia and Reynold Xin
- ▶ 3:51 Matei Zaharia Uh, they built something called Isaac that's basically like a wrapper on cloud code and, and codex and, uh, let's you use them either on the web and like,
- ▶ 7:14 Reynold Xin Uh, from the moment I woke up to like the moment I went to bed, I was like looking at my class sessions, my codec sessions.
- ▶ 15:46 Matei Zaharia You know, the thing we did is we, we could get you that on top of like cloud code running in a terminal codex, you know, PI, OpenAI SDK, all that stuff.
AI Security After Codex and Claude Code — Zico Kolter & Matt Fredrikson, Gray Swan
- ▶ 4:44 Zico Kolter And if you find vulnerabilities in the agents that everyone uses, right, things like codex and cloud code, you can actually start to now essentially have a new exploit, a new class of exploit.
- ▶ 43:32 Matt Fredrikson But if agents are, you know, if Claude and Codex are writing our code for us, like, and they're good,
- ▶ 48:20 unnamed speaker But that is exclusively what I use, uh, like Codex, computer use, Cloud Cowork. 2 times in the scene
- ▶ 56:12 Zico Kolter Front of mind for Frontier Labs are going to become front of mind for everyone, for all enterprise as they adopt tools like Codex, like Cloud Code, like Open Claw.
Inside xAI: Building Grok Imagine in 3 Months, Videogen vs World Models, and Video Agents— Ethan He
Devin’s 80% Moment: Background Agents, 7x PRs, & End of Hand-Held Coding — Walden Yan & Cole Murray
- ▶ 5:20 Cole Murray Openinspect came about, uh, through primarily my clients observing how they were using tools like CloudWeb, um, OpenAI's codecs at the time, and seeing some of the friction that they were having with it.
The Agent-Native Cloud: 3M Users, 100K Signups/Wk, Data Centers, & Death PRs — Jake Cooper, Railway
- ▶ 29:56 Jake Cooper Yeah, so, so I think, um, the CLI changes because the way that we think about this is, like, how do you give Claude or Codex or Chat or, like, whatever, like, any of these models almost, like,
🔬How GPT‑5 derived new results in theoretical physics and quantum gravity — Alex Lupsasca, OpenAI
- ▶ 3:43 unnamed speaker Sorry, I was gonna say, like, I, I find it really funny that you, that story, because it almost, it reminds me of a lot of different, um, people who had the same realization with codex. 4 times in the scene
⚡️ Competing with ChatGPT and Sierra, building a $10M ARR company — Yasser Elsaid, Founder, Chatbase
- ▶ 55:52 unnamed speaker Cloud Code, Codex? 3 times in the scene
AI-Native Engineering: 100% adoption, 5x search throughput, unlimited tokens — Mikhail Parakhin
- ▶ 5:57 Mikhail Parakhin The other thing I would claim you could see is that, uh, CLI-based tools and tools that don't require you to look at the code becoming more popular, and you could see, yeah, various versions of, uh, Cloud Code and Codex and Pi and internal…
- ▶ 13:53 Mikhail Parakhin That means codex or, or cloud code is not going to cut it.
Notion’s Sarah Sachs & Simon Last on Custom Agents, Evals, and the Future of Work
- ▶ 1:04:09 Alessio Fanelli Like, you can ask Codex to create you a dumb tool for, like, I created one for our StarCraft II LAN for people to, like, find the game, uh, but then people create it to build features in, like, billion-dollar companies, but the token price…
Extreme Harness Engineering: 1M LOC, 1B toks/day, 0% human code or review — Ryan Lopopolo, OpenAI
- ▶ 0:00 Ryan Lopopolo I do think that there is an interesting space to explore here with Codex, the harness as part of building AI products, right? 2 times in the scene
- ▶ 7:19 Ryan Lopopolo It basically means that, uh, Codex is able to spawn commands in the background and then go continue to work while it waits for them to finish.
- ▶ 11:32 Ryan Lopopolo One neat thing here is we have tried to invert things as much as possible, which is instead of setting up an environment to spawn the coding agent into, instead we spawn the coding agent, like that's the entry point, just codex, and then… 2 times in the scene
- ▶ 13:23 Ryan Lopopolo The tech debt tracker and the quality score are pretty interesting because this is basically a tiny little scaffold, like a markdown table, which is a hook for Codex to review all the business logic that we have defined in the app, assess… 5 times in the scene
- ▶ 22:46 Ryan Lopopolo I do think that there is an interesting space to explore here with codecs, the harness as part of building AI products, right? 2 times in the scene
- ▶ 24:55 Ryan Lopopolo We invoke a dollar land skill and that coaches codecs to push the PR, wait for human and agent reviewers, wait for CI to be green, fix the flakes if there are any
- ▶ 27:03 Ryan Lopopolo What other neat thing, which I did totally did not expect is folks were just taking the link to the article and giving it to like Pi or Codex and, and say, make my repo this.
- ▶ 30:20 unnamed speaker Even part of, like, the first intro of this, you basically mentioned, like, everything was written by, uh, Codex, including internal tooling, right? 4 times in the scene
- ▶ 37:22 unnamed speaker Why is this not in a Codex app? 6 times in the scene
- ▶ 40:57 Ryan Lopopolo We, um, we fire off, uh, codecs to do all these, like, we should, like, the things that, like, sync that knowledge into the repository. 5 times in the scene
- ▶ 43:50 Ryan Lopopolo There's one neat thing you can do with codex, which is just pointed at its own session logs to ask it to tell you how you can use the tool better. 3 times in the scene
- ▶ 54:25 unnamed speaker Like early on when you had CLI or you'd kick off a codex run, it would take two hours. 2 times in the scene
- ▶ 56:56 Ryan Lopopolo It's just, uh, and you can just do that because Codex will absolutely sling some effort.
- ▶ 1:03:09 Ryan Lopopolo Startup builders as well as enterprise builders to have a works by default harness that is able to use all the best features of our models from the shell tool down to the codex harness with file attachments and containers and all these…
- ▶ 1:08:16 Ryan Lopopolo One thing that I think is going to break your mind even more is we have skills for how to properly generate deep fried memes and have Reaggy culture and Slack, because with the Slack chat GPT app that you're able to use and codex, like I… 2 times in the scene
- ▶ 1:11:37 Ryan Lopopolo And we do this thing where we're collecting all the agent trajectories from codecs to slurp them up and distill them. 2 times in the scene
- ▶ 1:13:07 Ryan Lopopolo If we were building an entire separate Ross scaffold around Codex to restrict its output, that I think would be like additional harness that would be prone to being scrapped. 2 times in the scene
- ▶ 1:13:59 Ryan Lopopolo Just, uh, I've been super excited to kind of benefit from all the cooking that the Codex team has been doing. 4 times in the scene
Marc Andreessen introspects on Death of the Browser, Pi + OpenClaw, and Why "This Time Is Different"
- ▶ 56:12 Shawn Wang Sam runs Codex with skip permissions on, on his laptop.
Dreamer: the Agent OS for Everyone — David Singleton
- ▶ 48:47 Shawn Wang Obviously there's a lot of people with a lot of desire for cloud code and codex and attachment to it. 2 times in the scene
- ▶ 58:59 Shawn Wang Like sit there with Codex, do something? 2 times in the scene
Anthropic’s Felix Rieseberg on AI Coworkers, Local-First Agents, and the Future of Knowledge Work
- ▶ 50:45 Shawn Wang What OpenAI often says is that actually it's the, the younger, like fresh grad engineers that use codecs or they're coding stuff more innovatively than the, uh, experienced engineers who have a set and preferred way of doing things.
⚡️Monty: the ultrafast Python interpreter by Agents for Agents — Samuel Colvin, Pydantic
- ▶ 16:47 Samuel Colvin So I use Claude Code, Codex, and Gemini. 6 times in the scene
Agent Inference at the "Speed of Light" — How NVIDIA moves like a $4.3 Trillion Startup
Cursor's Third Era: Cloud Agents — ft. Sam Whitmore, Jonas Nelle, Cursor
- ▶ 35:21 unnamed speaker I have criticized OpenAI for this, um, because OpenAI's Codex app doesn't have a file editor.
Why Every Agent Needs a Box — Aaron Levie, Box
- ▶ 8:12 Aaron Levie And when you're in cloud code and you're in cursor and you're in codex, you're just, the agent is you, you're offing into your services.
- ▶ 29:38 Aaron Levie You know, you can kind of sort of see what codecs could become over time.
Measuring Exponential Trends Rising (in AI) — Joel Becker, METR
- ▶ 11:29 Joel Becker Common misconception about time horizon is that it's about how long the models should work for, and the models are, you know, as we all see, working for longer periods of time autonomously, you know, in the wild when we, when we use them…
- ▶ 26:08 Shawn Wang The thing that gives me comfort is, um, yesterday I was at the OpenAI live stream and even Samuel was like, yeah, I just let codecs just YOLO dangerous permissions, whatever on my computer.
- ▶ 51:26 Joel Becker In the wild deployments, um, uh, like you might find on, on your own Claude code usage, codex usage, curse usage, et cetera.
Dylan Patel Explains the AI War While Cooking | In-Context Cooking
- ▶ 13:33 Dylan Patel And it's like, well, this is like not worse than codex by a marginal amount, maybe 5.3, right? 2 times in the scene
- ▶ 21:25 Dylan Patel That does not mean, you know, a lot of people use Cloud Code without having Cloud commit for them, so you're, like, you're talking about, like, or, and then they use Codex, they use Cognition, they use, you know, or sorry, Devon, they use… 3 times in the scene
Claude Code for Finance + The Global Memory Shortage: Doug O'Laughlin, SemiAnalysis
- ▶ 1:16:13 Shawn Wang But, you know, and it could also be Codex, are you watching Codex? 14 times in the scene
Inside AI’s $10B+ Capital Flywheel — Martin Casado & Sarah Wang of a16z
- ▶ 35:17 Martin Casado But it seems to me that, like, listen, Codex, in my experience, is for sure better than Opus 4.5 for coding. 2 times in the scene
🔬 From Red Teaming GPT-4 to Automating Drug Discovery: The Future of AI in Science — Andrew White
- ▶ 8:02 Andrew White And then, um, uh, I think I was following, you know, the news in the space and codex, the original codex came out.
⚡️ Prism: OpenAI's LaTeX "Cursor for Scientists" — Kevin Weil & Victor Powell, OpenAI for Science
- ▶ 16:55 Kevin Weil But you can use codecs now to generate the documentation for you. 4 times in the scene
Brex’s AI Hail Mary — With CTO James Reggio (acquired for $5B by Capital One!)
- ▶ 30:47 James Reggio You know, uh, a new model hits the same, like, um, when, when Codex, uh, came out and everybody was like, oh, Codex is, is better at, at, uh, Code Jam, but it's a little bit slower.
- ▶ 38:32 Alessio Fanelli I found the codex review to be really good. 2 times in the scene
[State of Post-Training] From GPT-4.1 to 5.1: RLVR, Agent & Token Efficiency — Josh McGrath, OpenAI
- ▶ 3:45 Josh McGrath Oh, I use codex 2 times in the scene
- ▶ 13:42 Josh McGrath Like, as I was saying earlier with, um, when I use Codex, it does something that would take me much longer, uh, you know, it would take me, like, four hours in, you know, 10 minutes.
- ▶ 16:04 unnamed speaker Clearly an important feature, clearly inspired by codex usage as well, obviously.
- ▶ 22:34 unnamed speaker If we were to throw codecs at it, obviously, we can't do codecs at everything.
[State of RL/Reasoning] IMO/IOI Gold, OpenAI o3/GPT-5, and Cursor Composer — Ashvin Nair, Cursor
One Year of MCP — with David Soria Parria and AAIF leads from OpenAI, Goose, Linux Foundation
- ▶ 1:16:00 Shawn Wang I think, what's the thinking there apart, apart from like, well, would Codex ever be donated to AIF?
Steve Yegge's Vibe Coding Manifesto: Why Claude Code Isn't It & What Comes After the IDE
- ▶ 2:41 Steve Yegge They have people who don't use, uh, codex.
- ▶ 23:28 Steve Yegge It's the, it's the whole, it's this idea that quad code and AMP and Codex,
⚡️GPT5-Codex-Max: Training Agents with Personality, Tools & Trust — Brian Fioca + Bill Chen, OpenAI
- ▶ 5:20 Brian Fioca No, so Codex is, just to be clear, Codex is the frontier coding model that we have that is optimized for its harness. 14 times in the scene
- ▶ 10:39 Brian Fioca With the five series, because it's more general, and it's just about as good as coding as codex for a lot of things. 2 times in the scene
- ▶ 14:57 Brian Fioca And so it can run basically forever without you having to worry about it while it's inside of the Codex harness. 6 times in the scene
- ▶ 23:03 Brian Fioca Like, um, a coding agent, like Codex, a CLI, it used to be back in the old days, like I started out in the nineties working at IBM as a system administrator, and I had to write my own custom software and bash scripts and whatever to, uh,… 5 times in the scene
- ▶ 25:52 Bill Chen And, but also the other thing that I am sort of really like looking forward to are Codex being able to do more, right? 2 times in the scene
⚡️ 10x AI Engineers with $1m Salaries — Alex Lieberman & Arman Hezarkhani, Tenex
- ▶ 13:42 Arman Hezarkhani But yesterday codex was outperforming Claude code on object on, on activities like X, Y, and Z.
⚡ Inside GitHub’s AI Revolution: Jared Palmer Reveals Agent HQ & The Future of Coding Agents
- ▶ 13:24 Jared Palmer And co-pilot CLI, but we also have third party partners like Cloud Code and Codex and Cognition now, like in, uh, Agent HQ.
- ▶ 19:57 unnamed speaker I see like the, the number one pain points that commission has, but also Codex also presumably the other guys is repo setup, which is effectively what dev containers and a Docker file does for you is like,
⚡️ The State of AI Engineer Hiring: Cheating, AI Adoption,Junior Devs — Vivek Ravisankar, HackerRank
- ▶ 15:15 unnamed speaker No, like not only do I work at Cognition and Winsurf, and then I also, you know, am like organizing this AIE code thing, which, uh, you know, you're definitely invited to, but like, it's like, yeah, everyone's launching a terminal and… 2 times in the scene
Terminal-Bench 2.0: the most impt coding agent benchmark of 2025 gets a v2! Launch + Q&A w/ founders
- ▶ 2:29 Mike Merrill So, you know, your cloud codes, your cursor CLI, your codex CLI, and in general, an increase in agents writing code to operate computer systems.
- ▶ 13:46 Alex Shaw It, uh, has popular agents pre-integrated, so Codex, Cloud Code, all of these agents, uh, just plug and play right out of the box.
How Zyphra went all-in on AMD + Why Devs feel faster with AI but are slower — with Quentin Anthony
- ▶ 38:44 unnamed speaker I don't know if you spend any time with like GPT-V codecs and the codecs CLI, but 2 times in the scene
⚡️ Ship AI recap: Agents, Workflows, and Python — w/ Vercel CTO Malte Ubl
Terminal-Bench: Pushing Claude Code, OpenAI Codex, Factory Droid, et al to the limits
- ▶ 5:55 unnamed speaker And I think this all makes sense now with cloud code and codex, but you started working on this before these things got released.
- ▶ 21:49 Mike Merrill The reason for this is that if you go and use an agent like Claude code or codec CLI or even open hands, it's not clear to the degree to which this agent has been optimized to make up for some of the weaknesses of a particular model, or… 4 times in the scene
DevDay 2025: Apps SDK, Agent Kit, MCP, Codex and why Prompting is More Important than Ever
- ▶ 38:52 Sherwin Wu Obviously Codex helps speed it up quite a bit now, but, um, it, yeah,
- ▶ 39:14 Shawn Wang Since you have, since you did the codex mention, maybe a quick tip from each of you on codex power user tools or tips. 10 times in the scene
Amp: The Emperor Has No Clothes
- ▶ 3:38 Quinn Slack First, it started with Copilot, and then, Cody, we were really good at Chatrag, and then Cursor and Windsurf showed that kind of IDE forks and partially agentic things could get better and better, and then, you know, the next generation,…
- ▶ 22:32 Quinn Slack The rate of progress overall that a lot of these other tools that are great, like cloud code and codex and cursor and so on that they've forgotten what made them great and what made them grow so fast, which is building the very best…
- ▶ 1:01:51 Alessio Fanelli And every model was failing until GPT-V Codex and Codex CLI was like the first time I got it in like one shot. 2 times in the scene
Greg Brockman on OpenAI's Road to AGI
- ▶ 22:55 unnamed speaker I think like, you know, for me in cursor and in codex, it feels clear that the model is better when I give it hard tasks.
- ▶ 27:31 unnamed speaker You've always mentioned, I think, that the roadmap for Codex and OpenAI's coding capabilities, since we're there, is that the background sort of suite agents sort of merge with the NIDE agents.
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