Ryan Lopopolo: OpenAI's Framework for Shipping Code at 70 PRs/Week

About this episode

Ryan Lopopolo discusses how his team at OpenAI successfully shipped a product using AI coding agents without any human-written code.

Most engineering teams are still arguing about whether to use AI coding agents. Ryan Lopopolo's team at OpenAI shipped an entire product with no human-written code — and onboarding a new engineer made the team faster within two weeks. That outcome didn't come from better prompts. It came from what Ryan calls Harness Engineering: the systems, constraints, and feedback loops that sit around the agent — the context it sees, the tools it can call, the tests and linters that close the loop, and ...

People in this episode

Host: Tessl

Guest: Ryan Lopopolo

Topics covered

• AI coding agents
• Harness Engineering
• software development
• engineering teams
• product shipping

Keywords

• AI
• coding agents
• OpenAI
• software development
• Harness Engineering
• engineering teams
• product shipping

Mentioned in this episode

Organizations: OpenAI

More episodes of The AI Native Dev - from Copilot today to AI Native Software Development tomorrow

• Why Developers Hit a Wall at 4 AI Agents · June 2, 2026 · 48 min
• Don't Secure the Code. Secure the Coder. · May 26, 2026 · 41 min
• The Hidden Security Risks of AI Coding Agents · May 19, 2026 · 42 min
• "AI Doesn't Stand for Artificial Intelligence" — Venkat Subramaniam's Take Will Change How You Think About It · May 12, 2026 · 53 min
• The Creator of Spring Thinks You Can't Code Serious Software With AI · May 5, 2026 · 57 min
• What OpenAI, Stripe & ElevenLabs Devs Do Differently Now | AI Native Dev · April 28, 2026 · 1h 6m