Amazon S3 Vectors has been introduced as a preview feature, providing a cost-effective and scalable solution for storing and querying large vector datasets with native vector support. It allows businesses to perform semantic searches on unstructured data, integrating seamlessly with services like Amazon Bedrock and Amazon SageMaker, and optimizing storage costs through features like vector buckets and indexes. This innovation aims to facilitate the development of generative AI applications by simplifying vector management and enhancing performance.