Google Enhances Search with Expanded AI Overviews and New Experimental AI Mode Powered by Gemini 2.0

Google announced significant upgrades to its generative AI-powered search features on March 5, 2025, signaling a deeper integration of AI into the core search experience. According to the Google Search Liaison Blog, AI Overviews – the AI-generated summaries that appear on search results pages – are now powered by Google's new and more capable Gemini 2.0 AI model, initially rolling out in the U.S. This upgrade enables AI Overviews to handle more complex queries, including those involving coding problems, mathematical equations, and even multimodal inputs (combining text, images, or other media), delivering faster and higher-quality, more nuanced answers directly within the search interface.

In addition to enhancing existing AI Overviews, Google also launched a new experimental feature called AI Mode, designed for more exploratory and in-depth search journeys. This mode, also utilizing a custom version of the Gemini 2.0 model, allows users to dive deeply into nuanced topics or plan multi-step tasks interactively within search. Google provided an example of using AI Mode to meticulously plan a trip, with the AI facilitating ongoing follow-up queries and providing contextual information throughout the planning process. These advanced features aim to seamlessly blend Google's vast indexed data with the conversational and reasoning capabilities of its AI models to answer more complex and multifaceted user questions more effectively than ever before. For marketers and content creators, these developments necessitate a re-evaluation of SEO strategies. Content may need to be structured more explicitly for AI summarization, such as using clear question-and-answer formats or ensuring semantically clear and concise answers to common queries, to increase the likelihood of being surfaced within AI Overviews. The increased prominence of direct AI-generated answers, which may appear above or alongside traditional organic search listings, could potentially reduce click-through rates to individual websites. This suggests brands may need to focus more on creating comprehensive FAQ content or providing highly factual, data-driven answers that Google's AI algorithms are likely to favor and utilize. Marketers are encouraged to actively experiment with both AI Mode and the enhanced AI Overviews by testing relevant queries and ensuring their own website content provides the high-quality, authoritative, and factual information that Google’s advanced AI systems prioritize for generating responses.