AI has revolutionized search applications and generative AI, with Amazon recommending OpenSearch as a vector database for AI use cases.OpenSearch Service and Amazon Bedrock are key components for AI-powered search and generative AI systems.Using OpenSearch Service, you can store vectors in a database for efficient search and generation of responses.Vector databases help in preventing AI hallucinations and improving recommendation systems.OpenSearch supports various vector engines for efficient nearest neighbor search and retrieval accuracy.OpenSearch's hybrid search combines lexical and vector queries for improved search accuracy.OpenSearch Serverless offers a high-performing vector database integrated with Amazon Bedrock for generative AI.AI models like large language models (LLMs) are utilized for generative AI applications in tandem with vector databases.OpenSearch Serverless scales based on workload and offers cost-effective deployment starting at one OCU.Amazon Bedrock automates the generation of vector embeddings for semantic search with OpenSearch Service.