Project Astra is a research prototype project by Google DeepMind aimed at exploring the capabilities of future general-purpose AI assistants. It assists users in exploring the world through natural interactions such as voice and video. Project Astra represents the forefront of AI technology application in daily life, emphasizing the importance of artificial intelligence in providing personalized help, enhancing efficiency, and fostering innovation. As a research prototype, Project Astra is currently available only to a limited number of trust testers, and specific details regarding background and pricing are not explicitly provided on the page.