Host Emily Laird breaks down OpenAI’s full-stack power play, from GPT-5.5 Instant becoming the new ChatGPT default to voice agents, browser-based Codex, and the subterranean network tech keeping giant GPU clusters alive. This episode turns AI infrastructure into a neon-lit city after midnight, where the chatbot is just the storefront and the real action is happening under the street. It is funny, sharp, and a little unsettling, like discovering your Roomba has been promoted to building manager.