In the video titled “OpenAI Real-time Voice, tool calling Agent performance” by echohive, the presenter demonstrates how to utilize OpenAI’s Real-time API in conjunction with various tools to create an intelligent voice agent capable of retrieving and processing financial information. The video outlines the installation process, showcases the capabilities of the agent, and provides insights into the underlying code structure, emphasizing how the agent interacts with APIs to perform tasks like fetching stock prices and generating summaries.