Lightning Lessons

AI Coding Accelerator: How OpenAI uses Codex

Hosted by Dominik Kundel, Jason Liu, and Vignesh Mohankumar

Thu, Oct 16, 2025

7:15 PM UTC (30 minutes)

Virtual (Zoom)

Free to join

107 students

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Go deeper with a course

AI Coding Accelerator
Vignesh Mohankumar and Jason Liu
View syllabus

What you'll learn

Codex Evolution & Core Features

Discover how Codex transformed OpenAI's workflow and master the essential features driving productivity

Advanced Prompt Patterns & Techniques

Apply proven prompt strategies and hidden capabilities used by OpenAI engineers in real projects

Integration Best Practices

Implement Codex effectively in your development stack using OpenAI's tested approaches

Why this topic matters

As AI coding tools become standard in software development, learning how OpenAI uses Codex internally offers critical insights into best practices from the source. Students will gain proven strategies to boost productivity, avoid common pitfalls, and integrate AI seamlessly into their workflow—skills essential for staying competitive in modern development roles.

You'll learn from

Dominik Kundel

Developer Experience, OpenAI

Dominik is currently working on Developer Experience & SDKs at OpenAI. Previously he lead Product & Design for Twilio's Emerging Tech & Innovation organization. Dominik loves tinkering with anything that can run JavaScript, from front-end servers to CLIs and coffee machines. You can find him tweeting @dkundel and in his spare time he's working on cocktails, food and photography.

Jason Liu

Applied AI Consultant

Jason has built search and recommendation systems for the past 6 years. He has consulted and advised a dozens startups in the last year to improve their RAG systems. He is the creator of the Instructor Python library. 

Vignesh Mohankumar

Applied AI Consultant

Vignesh is an independent consultant working on Applied AI. He works with companies to get AI shipped to production within 30 days. He also helps upskill engineering teams on AI usage. Previously, he was a founding engineer at Drift (acquired $1.2b), an early conversational AI startup. He later led the growth engineering team as a staff engineer.

worked with

OpenAI
Stitch Fix
Meta
University of Waterloo
New York University

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