Calvin French-Owen spent a little over a year on OpenAI's technical team. In a blog post he offers an insider's take on everyday life at the company.

Three weeks after leaving his role at OpenAI, Calvin French-Owen has detailed his experience in a new post where he characterizes the ChatGPT-maker as high-pressure, secretive, and obsessed with ...

Calvin French-Owen, a software engineer who worked at OpenAI for a year, recently left the company and shared his experience in a detailed blog post. He wasn't unhappy or caught in any drama-he ...

Three weeks ago, an engineer named Calvin French-Owen, who worked on one of OpenAI’s most promising new products, resigned from the company. French-Owen said he didn’t leave because of any ...

Calvin French-Owen worked at OpenAI from May 2024 to June 2025. He said OpenAI relies on Slack, and not email, as its main channel of communication among staff. "There is no email. I maybe received ...

French-Owen's team built Codex, an AI agent for vibe coding, in just 7 weeks. "The Codex sprint was probably the hardest I've worked in nearly a decade," says French-Owen.

When the launch of Codex neared, French-Owen said he worked from 7 a.m. to midnight most days, and weekends, too. "The stakes feel really high," he said. "On the one hand, there's the goal of building ...

That tracks with recent reports of OpenAI leadership giving the entire staff a week off to recharge, Wired reports. French-Owen's team built Codex, an AI agent for vibe coding, in just 7 weeks.