Nearly a decade after introducing Google Assistant as a handy voice helper, Google is now giving its smart home ecosystem a radical upgrade. Gemini for Home is an all-new AI voice assistant that will “eventually replace Google Assistant” on all Nest-brand smart speakers and smart displays theverge.com. Announced in August 2025 by Google’s Nest team, Gemini for Home is built on the company’s latest large language model technology. This means it can understand and respond to far more complex commands and questions than the old Assistant. As Google’s smart home chief Anish Kattukaran explains, Gemini leverages “advanced reasoning, inference and search capabilities”, allowing it to handle nuanced or multi-part requests that would have stumped the old Assistant blog.google. “You still say ‘Hey Google’ to get started, but your interactions will feel fundamentally new,” Kattukaran promises blog.google. Instead of rigid, scripted commands, you can speak naturally to Gemini and expect it to grasp your intent and context.