Greg Brockman: Inside the 72 Hours That Almost Killed OpenAI

The AI race, the future of AGI, and the inside story of OpenAI.

Greg Brockman is the co-founder and President of OpenAI, the company behind ChatGPT and GPT-5. He was the first engineer at Stripe before leaving in 2015 to help start OpenAI.

In this rare conversation, Greg goes inside the moments that built, and nearly broke, the most important AI company in the world.

Greg explains how the original Napa offsite produced the three-step technical plan OpenAI has followed for a decade and the real reason OpenAI had to abandon its pure nonprofit structure.

He then walks through the 72 hours after Sam Altman was fired: where he was when he got the board call, why he quit the same day, how the "Phoenix" backup company was designed at Sam's house the next morning, and the moment Ilya Sutskever's tweet changed everything.

From there, the conversation turns forward: whether we're in a global AI race, how much of OpenAI's own code is now written by AI ("it's hard to know what percent is not"), why OpenAI stopped showing reasoning traces, what a compute-constrained world means for who gets access to AGI, and Greg's answer to the question everyone is really asking: What happens to your job?

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Timestamps:

00:00:00 Introduction

00:00:49 Meeting Sam Altman and Starting OpenAI

00:02:40 Building the Founding Team

00:04:25 DeepMind's Lead Over OpenAI

00:04:54 The Change from a Pure Non-Profit

00:06:05 Breakthrough Moments at OpenAI

00:08:22 What Dota 2 Meant for OpenAI

00:10:04 Reasoning Versus Prediction

00:11:59 Tensions Grow at OpenAI

00:15:44 Sam Altman's Firing

00:17:49 Greg Quits OpenAI

00:19:56 Sam Explores Deal with Microsoft's Satya

00:20:28 OpenAI Employees Sign Petition for Altman's Return

00:23:43 Ilya Sutskever Leaves OpenAI

00:24:59 Lessons Learned in Leadership after Sam Ousting

00:28:22 The Thing Ilya Said that Greg Can't Forget

00:32:22 Is AI Going Parabolic?

00:33:24 How Much of OpenAI's Code is Written by AI?

00:36:21 Are AI Chatbots Just Telling Us What We Want to Hear?

00:38:06 The Global AI Race to Reach AGI

00:38:40 What Happens if US Doesn't Reach AGI First?

00:39:49 Are Competing Countries Stealing AI Advancements from U.S?

00:40:38 Why ChatGPT No Longer Shows Reasoning

00:41:47 The Finite Constraints of Compute

00:43:38 On Investing Early in Data Centers

00:46:31 The Future of Data Center Specialization

00:47:52 How OpenAI Will Decide Whose Queries to Serve

00:49:08 OpenAI on Consumer vs Enterprise Models

00:53:05 Data Centers in Space?

01:00:56 What Should AI Regulation Look Like?

01:04:33 The Future of AI-Powered Entrepreneurship

01:04:44 AI and Job Loss

01:07:15 The Skills Young People Should Invest In

01:11:30 What Does Success Look Like For You?

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