OpenAI Releases Talk Video on Building With GPT-5.5 and Codex

OpenAI's developer arm has released a roughly 28-minute conversation featuring Romain Huet, walking through how to build with its latest foundation model GPT-5.5 and its developer agent environment Codex. Published as a new episode of the "Builders Unscripted" series, the video has host Pietro talking with Romain Huet, who leads Developer Experience at OpenAI, about creative uses of GPT-5.5 and the process of turning ideas into software. The episode is structured around chapters covering image-to-sound conversion, multi-agent Codex workflows, reviving old hardware with Codex, and a shift "from doing to directing."