In a discussion on the Crazy Wisdom Podcast, the conversation delves into the evolving landscape of AI engineering with a focus on PromptLayer, a platform designed to facilitate the development and testing of large language model (LLM) products. The dialogue highlights the shift from deterministic to probabilistic systems, emphasizing the importance of domain experts over machine learning engineers in crafting effective prompts. The platform is framed as a tool for scaling and distributing human expertise rather than replacing it, with an emphasis on treating AI as a black box that transforms inputs into outputs. The conversation also explores the role of rigorous testing and sprint-based iteration in AI development, urging developers to focus on understanding their domain rather than the inner workings of neural networks. Additionally, the concept of "vibe coding" with AI tools like Claude Code and OpenAI's Codex is discussed as a new approach to engineering, where AI assists in coding tasks, likened to the role of an intern. The dialogue concludes with the notion that the key to successful AI application lies in prompt engineering and domain expertise, offering an invitation to explore these ideas further through PromptLayer.