AI Overviews was introduced as part of the Search Generative Experience last May 2023. It was originally an opt-in within the Google Search Labs, until Google began testing AI Overviews in the wild for a subset of users in late March 2024. The AI Overviews gives answers to queries using generative AI technology powered by Google Gemini. It provides a summarizations of an answer based on its understanding of queries and the content it found on the topic across the web. Please note that as of writing, you will not seeing the AI overview for all of your searches. These overviews are currently limited to answering complex questions where Google feels it can provide additional value.
Users have reported AI overviews when searching for health, medical and financial queries.