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Amazon OpenSearch Service

aws.amazon.com

WebAPI
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Spec score 7.5 #24 of 40 in Ai Databases

Spec sheet

Purpose
Amazon OpenSearch Service is a managed service for deploying and operating search, observability, and log analytics applications.Read 7 Oct 2026 · aws.amazon.com
Deployment
The vector database is available in fully managed and serverless configurations.Read 7 Oct 2026 · aws.amazon.com
Security
The service supports encryption at rest and in transit, and granular permissions for indices, documents, and fields.Read 7 Oct 2026 · aws.amazon.com
Compliance
AWS says OpenSearch Service is HIPAA-eligible and compliant with PCI DSS, SOC, ISO, and FedRAMP standards.Read 7 Oct 2026 · aws.amazon.com
Founded
2006Read 28 Sep 2026 · aws.amazon.com
AI applications
AWS describes use cases including RAG, recommendations, chatbots, semantic search, and multimodal and conversational search.Read 7 Oct 2026 · aws.amazon.com
Amazon Bedrock
OpenSearch Service has native two-way integration with Amazon Bedrock and is AWS's recommended vector database for Bedrock.Read 7 Oct 2026 · aws.amazon.com
Availability
AWS states a 99.99% SLA for highly available, multi-AZ deployments with standby.Read 7 Oct 2026 · aws.amazon.com
Compliance caveat
AWS says choosing a particular OpenSearch or Elasticsearch version when creating a domain does not guarantee compliance.Read 7 Oct 2026 · docs.aws.amazon.com
Free usage
AWS's getting-started page describes Free Tier usage of up to 750 hours per month of a t2.small.search instance and 10 GB per month of optional EBS storage.Read 7 Oct 2026 · aws.amazon.com
Hybrid search
It can combine vector embeddings and text-based keywords in a single search request.Read 7 Oct 2026 · aws.amazon.com
Integration
Zero-ETL integrations with Amazon DynamoDB and Amazon DocumentDB support vector search across operational data.Read 7 Oct 2026 · aws.amazon.com
Operations
AWS says the service provides seamless upgrades and patches, 24/7 monitoring, self-healing, and automatic scaling for serverless deployments.Read 7 Oct 2026 · aws.amazon.com
Pricing detail
The pricing page's example lists $0.24 per OCU-hour for Serverless indexing and search, and $0.02 per GB per month for managed storage.Read 7 Oct 2026 · aws.amazon.com
Vector search
Its vector engine supports k-NN and ANN search using HNSW and IVF implementations, including searches over billions of high-dimensional vectors.Read 7 Oct 2026 · aws.amazon.com

Plans and prices

Pay as you go Price not published Managed clusters are charged for instance hours, storage, and data transfer; Serverless is charged separately for compute and storage based on usage. No minimum fee or usage requirement · Pricing depends on deployment model, instance type, storage tier, and usage Read 7 Oct 2026 · aws.amazon.com

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