AI Engineer YouTube · April 29, 2026

Codex and Subagents — Vaibhav Srivastav & Katia Gil Guzman, OpenAI

Codex and Subagents — Vaibhav Srivastav & Katia Gil Guzman, OpenAI video thumbnail
Why it matters

Codex is no longer just a coding assistant in a terminal. In this workshop, Vaibhav and Katia show how it becomes a full software engineering system, combining frontier models, the Codex app and CLI, plugins, automations, and subagents that can explore, review, and execute work in parallel. The session also dives into

My takeaway: Codex is no longer just a coding assistant in a terminal. In this workshop, Vaibhav and Katia show how it becomes a full software engineering system, combining frontier models, the Codex app and CLI, plugins, automations, and subagents that can explore, review, and execute work in parallel. The session also dives into