Project Astra debuted at I/O 2024 as a next-generation AI assistant that can view the world around you, and provide advice and tips throughout the day. Since then, Astra has been incorporated into the camera and screen-sharing capabilities of the Gemini app and Google says it upgraded Astra's voice output to be more natural with native audio,

We’re back at the Shoreline Amphitheater in Mountain View, California, for Google I/O. This year, we’re not expecting much hardware, but we’re naturally expecting a lot of AI news. The pressure is on to prove that ChatGPT won’t make Google Search obsolete, and that Google has what it takes for Gemini to become a household name.