OpenAI Codex

product on 26 shows · 27 statements across 14 episodes · said 1,391 times in 350 episodes since 2022

the Startup Ideas Podcast 296 Latent Space 260 Lenny's Podcast 192 TBPN 149 20VC 126 Big Technology 119 the Y Combinator Startup Podcast 50 the a16z Podcast 43 No Priors 21 All-In 19 the MAD Podcast 16 Sourcery 15 the Neon Show 14 Invest Like the Best 14 BG2 Pod 13 Mixergy 11 the Official SaaStr Podcast 10 Cheeky Pint 4 the Knowledge Project 4 David Senra 4 American Optimist 3 Another Podcast 2 Starter Story 2 A Product Market Fit Show 2 In Depth 1 Top Founders 1

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the Startup Ideas Podcast 296Latent Space 260Lenny's Podcast 192TBPN 14920VC 126Big Technology 119the Y Combinator Startup Podcast 50the a16z Podcast 4318 more shows

2026 1,012 mentions in 260 episodes 4 per episode
2025 372 mentions in 84 episodes 4 per episode
2024 2 mentions in 1 episode
2023 4 mentions in 4 episodes 1 per episode
2022 1 mention in 1 episode

every mention on every show, scene by scene, with the transcript →

27 statements about OpenAI Codex, every show

LATENT SPACE Assertion Not checkable as stated
Nathan: OpenAI saw an inflection in Codex adoption among non-developers
“When we release codex or even internally add codex. Like it was really surprising to us. I think we recently put out some stats on this, but there was this like real inflection of like adoption among non-developers at OpenAI.”
Akshay Nathan Jul 28, 2026 ▶ 7:24 OpenAI’s Vision for the AI Super App — Akshay Nathan, OpenAI
STARTUP IDEAS Assertion Not checkable as stated
Dan Shipper: Users can feed video into Codex to recreate apps
“But honestly, you can literally just feed this video into codex and just be like, make something like this and it will do that.”
Dan Shipper Jul 9, 2026 ▶ 5:02 GPT 5.6 SOL IS HERE! How to use it.
Dan Shipper: People Underestimate Codex's Multi-Agent Orchestration
“I think that people are sleeping on how, Flexible and powerful of a tool this is. Because, okay, so it's got the image model in it, and then it also has the ability, like it has the ability to change other threads. So, like, I can have this thread message anot…”
Dan Shipper Jul 9, 2026 ▶ 10:04 GPT 5.6 SOL IS HERE! How to use it.
STARTUP IDEAS Disclosure
Dan Shipper uses Codex Goal Mode for 20-hour autonomous training runs
“I'm training a model to do copy edits. And this goal is four hours, it's been going for four hours, and I just like let it go, but four hours is honestly very short, like I, over the weekend I had one or two that went for like 20 hours each, and so it's just a…”
Dan Shipper Jul 9, 2026 ▶ 22:40 GPT 5.6 SOL IS HERE! How to use it.
Ambrosino: OpenAI Codex would have failed if released three months earlier
“I like, I am very confident that the codex app that we released in February, if that had been ready. In November, it would have absolutely failed in the market. And the only difference was the models between November and February.”
Andrew Ambrosino Jun 28, 2026 ▶ 33:33 Why OpenAI is merging Codex and ChatGPT and the future of knowledge work | Andrew Ambrosino
Brown: AI toolmakers are converging on folder-and-thread agent interfaces
“All of these companies are deciding that this is kind of the correct interface to interact with AI agents.”
Riley Brown Apr 27, 2026 ▶ 6:34 Stop using Claude. Start using Codex?
Riley Brown: Execute AI tasks once before turning them into automations
“This is how I normally set up automations. People sometimes want to create an automation before they do it. It's just like do it once and then tell the agent to do that every time on this day. And that's a kind of a good workflow.”
Riley Brown Apr 27, 2026 ▶ 30:31 Stop using Claude. Start using Codex?
20VC Prediction Not checkable as stated
Emberikos: Future AI will pair conversational interfaces with bespoke power-user GUIs
“So I think what we're going to have is that we'll have chat or voice, basically conversational interface will be sort of the pillar of everything that you can talk to about anything. And then you can add into any group chat or whatever so it can, like, discove…”
Alexander Emberikos Feb 21, 2026 ▶ 32:44 OpenAI's Codex Lead: Why Coding as We Know It is Over · 20VC with Harry Stebbings
20VC Assertion Supported
Emberikos: OpenAI Codex grew 20x since August and doubled since December
“I feel like the public metric we have was like, since August, we grew by like, 20 X. And then like, even like late in the year, we like doubled from December to now.”
Alexander Emberikos Feb 21, 2026 ▶ 39:30 OpenAI's Codex Lead: Why Coding as We Know It is Over · 20VC with Harry Stebbings
20VC Prediction Held up
Emberikos: OpenAI Codex is pivoting back to building cloud-based autonomous agents
“The first is I actually want to get back to cloud. When we pivoted our strategy from, like, building the cloud, like, focusing on the cloud agent last year to working interactively, the thinking was very simple. It was just, and it's kind of like what I was te…”
Alexander Emberikos Feb 21, 2026 ▶ 40:45 OpenAI's Codex Lead: Why Coding as We Know It is Over · 20VC with Harry Stebbings
20VC Insight
Emberikos: Software products cannot offer unlimited usage tiers for too long
“I think the lesson I learned the hard way there is like, you can't make things unlimited for too long.”
Alexander Emberikos Feb 21, 2026 ▶ 58:59 OpenAI's Codex Lead: Why Coding as We Know It is Over · 20VC with Harry Stebbings
French-Owen: Codex approaches coding in unintuitive, AlphaGo-like ways
“It's interesting to see like Codex's personality shine through when writing code. I would say it does the most stuff that humans don't do kind of in this alpha go sense where it's like, oh, it'll write a Python script to like modify some part of the file syste…”
Calvin French-Owen Feb 6, 2026 ▶ 39:36 We're All Addicted To Claude Code · Y Combinator
French-Owen: Claude Opus Misses Multi-File Bugs That Codex Catches
“Refreshing complex UI state and Opus often will miss it if there's many files, but Codex seems to catch it.”
Calvin French-Owen Feb 6, 2026 ▶ 40:37 We're All Addicted To Claude Code · Y Combinator
Badam: Coding agents cannot rely solely on offline evaluation datasets
“Coding agents are extremely unique compared to agents for other domains in the sense that These are actually built for customizability and these are built for engineers. So coding agent is not a product which is going to solve like this top five workflows or l…”
Kiriti Badam Jan 11, 2026 ▶ 42:03 Why most AI products fail: Lessons from 50+ AI deployments at OpenAI, Google & Amazon
Badam: Relying entirely on fixed evals without team testing fails
“I don't think like if anybody's coming and seeing that, like my, I have this Concrete set of evals that I can, like, bet my life on, and then I don't need to think about anything else. Like, it's not going to work, and every new model that we're going to launc…”
Kiriti Badam Jan 11, 2026 ▶ 44:25 Why most AI products fail: Lessons from 50+ AI deployments at OpenAI, Google & Amazon
OpenAI Codex executes code directly via shell inside a secure sandbox
“The way that we built Codex is that it just uses the shell, but in order to make that like safer and secure, we have a sandbox that the model is used to operating in.”
Alexander Embirikos Dec 14, 2025 ▶ 24:36 Inside OpenAI: 2026 is the year of agents, AI’s biggest bottleneck, and why compute isn’t the issue
LATENT SPACE Assertion Not checkable as stated
OpenAI Codex successfully one-shots entire features 30% to 40% of the time
“What a lot of the interns would do is just, like, full YOLO mode, like, trust it to, like, write the whole feature. And it, like, it doesn't work. It, like, doesn't work sometimes. But, like, I don't know, like, 30, 40% of the time it just, like, one-shots it.”
Sherwin Wu Oct 7, 2025 ▶ 40:00 DevDay 2025: Apps SDK, Agent Kit, MCP, Codex and why Prompting is More Important than Ever
20VC Disclosure
Groq engineers recently switched from Anthropic tools to OpenAI Codex
“Our engineers recently started using codecs more than using the Anthropic tools.”
Jonathan Ross Sep 29, 2025 ▶ 1:07:39 Groq Founder, Jonathan Ross: OpenAI & Anthropic Will Build Their Own Chips & Will NVIDIA Hit $10TRN · 20VC with Harry Stebbings
MAD Assertion Not checkable as stated
Dohmke: OpenAI's Codex solved over 90% of GitHub interview coding exercises
“I think the model was able, when, with multiple attempts to solve more than 90% of these coding exercises, of these two and 30 coding exercises.”
Thomas Dohmke Jun 12, 2025 ▶ 13:10 GitHub CEO: The AI Coding Gold Rush, Vibe Coding & Cursor
Text-to-app AI builders like Bolt create polished UIs with broken features
“I just think generally text to app builders are over building everything or completely setting everything up as an overbuilt tool. But actually all the features are under, under built. So if you ask for like a Shopify, a Spotify clone with Bolt, it'll spit out…”
Ben Tossell May 21, 2025 ▶ 13:02 ChatGPT Codex is like 10 AI software developers (tutorial for beginners)
STARTUP IDEAS Prediction Not checkable as stated
AI coding agents will eventually fully automate GitHub pull request workflows
“I just think you start here and you can think, well, at some point the, like the PR stuff, that's going to be automated. Like, I'm sure you can get bots now that if there's a successful pull request, it'll just merge it to the main branch. So like, you never h…”
Ben Tossell May 21, 2025 ▶ 14:55 ChatGPT Codex is like 10 AI software developers (tutorial for beginners)
STARTUP IDEAS Assertion Not checkable as stated
Tossell updated his live website via AI with five button clicks
“We've opened the task, we've merged it, we've closed it works on my site. I did no coding, and I did Maybe like four or five button pushes to do this.”
Ben Tossell May 21, 2025 ▶ 16:56 ChatGPT Codex is like 10 AI software developers (tutorial for beginners)
STARTUP IDEAS Assertion Supported
Tossell: Codex cannot process uploaded files, images, or UI mockups
“Because the thing you can't do in codecs, so there's some limitations here, obviously, like you can't upload any files. You can't upload any images. You can't say make the UI look like this.”
Ben Tossell May 21, 2025 ▶ 20:55 ChatGPT Codex is like 10 AI software developers (tutorial for beginners)
STARTUP IDEAS Assertion Supported
Tossell: Codex Ask Feature Lacks Live Internet Access
“And it can do it and it, but it's more connected to, it's not connected to the internet. So it's like, I'm just looking at your repo and answering based on what it has, what knowledge it has to give you that response.”
Ben Tossell May 21, 2025 ▶ 23:23 ChatGPT Codex is like 10 AI software developers (tutorial for beginners)
Task-based AI tools are better for beginners than text-to-app builders
“I kind of feel like this is a better place to start than a text app builder, because like I said, it's going to build a big fancy thing. And what you're going to end up in is like seeing a bunch of terminology code being written tests failing. They're all to d…”
Ben Tossell May 21, 2025 ▶ 34:12 ChatGPT Codex is like 10 AI software developers (tutorial for beginners)
Y COMBINATOR Disclosure
Perplexity's first demo queried Twitter tables using OpenAI Codex
“Twitter. The pre-Elon CEO moments academic access was allowed, legal, so we built a database of Twitter. We organized it in the form of tables. We tried to do it with the OpenAI codex models. This was even pre-GPT-III. We wrote a lot of templates.”
Aravind Srinivas Feb 21, 2025 ▶ 8:05 How To Build The Future: Aravind Srinivas · Y Combinator
LATENT SPACE Assertion Not checkable as stated
Cosine's early prototype generated entire apps from scratch using OpenAI Codex
“We eventually built the world's most flimsy system, which was back in the day, like 4000 token context windows, like chaining prompts, trying to keep as much context from one to the other, all these different things where essentially you'd put in an app idea i…”
Alistair Pullen Aug 22, 2024 ▶ 6:06 Is finetuning GPT4o worth it?

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