ChatGPT Work + Codex Tutorial: My Complete System at OpenAI | Jason Liu

ChatGPT Work + Codex Tutorial: My Complete System at OpenAI | Jason Liu

Author: Peter Yang July 26, 2026 Duration: 34:32

Jason is a DevEx engineer on the Codex team. In our episode, he showed me how he runs his entire workday using Codex, from his chief of staff thread to the way he builds skills that learn how he works. Jason wrote the official OpenAI guidebook on how to get the most out of Codex, so don’t miss this episode.


Jason and I talked about:


(00:00) The only job left after AI can do the work

(02:40) Turn pinned threads into long-running workspaces

(05:50) Build a chief of staff across Slack, email, and Linear

(10:12) Teach Codex to write like you for every audience

(13:33) Mine past sessions for new skills and workflows

(20:01) How Codex revised a launch video while Jason was out

(24:23) Build a drum practice site around how you learn

(25:59) Goal, plan, and worklog for long-running Codex tasks

(33:52) Why taste starts with knowing what feels wrong


Thanks to our sponsor:


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Riverside: All-in-one AI studio for podcasts and video

https://creators.riverside.com/PeterYang


📌 Get my personal AI OS with useful AI skills, $270 in AI tool credits, live monthly workshops, and courses on Hermes and Codex agents: https://www.behindthecraft.com/


Where to find Jason:

X: https://x.com/jxnlco


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For anyone building the future, Behind the Craft is a conversation with Peter Yang that moves beyond theory and into the tangible details of creation. This podcast lives in the messy, rewarding space where ideas become real products. Each episode is built on candid interviews with experts who have been in the trenches, dissecting the pivotal decisions, the unexpected hurdles, and the hard-won lessons that rarely make it into a polished case study. You’ll hear the unvarnished stories behind the features and companies shaping our world, focusing on the practical frameworks and mental models that effective product leaders and creators rely on daily. It’s about understanding the craft from the inside out-the strategic shifts, the team dynamics, the user insights that truly move the needle. Tune in for a direct, no-fluff dialogue designed to accelerate your own journey, providing actionable guidance you can apply immediately to level up your own work. This is where the blueprint meets the build.
Author: Language: English Episodes: 50

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