Amazon OpenSearch Service
Plans
| Plan | Billed and limits | Price |
|---|---|---|
| Pay as you go | 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 | On request |
As aws.amazon.com lists them, read 7 Oct 2026. The maker's own page has the final word.
Facts from Amazon OpenSearch Service's own pages
- AI applications
- AWS describes use cases including RAG, recommendations, chatbots, semantic search, and multimodal and conversational search. · aws.amazon.com, 7 Oct 2026
- Amazon Bedrock
- OpenSearch Service has native two-way integration with Amazon Bedrock and is AWS's recommended vector database for Bedrock. · aws.amazon.com, 7 Oct 2026
- Availability
- AWS states a 99.99% SLA for highly available, multi-AZ deployments with standby. · aws.amazon.com, 7 Oct 2026
- Compliance
- AWS says OpenSearch Service is HIPAA-eligible and compliant with PCI DSS, SOC, ISO, and FedRAMP standards. · aws.amazon.com, 7 Oct 2026
- Compliance caveat
- AWS says choosing a particular OpenSearch or Elasticsearch version when creating a domain does not guarantee compliance. · docs.aws.amazon.com, 7 Oct 2026
- Deployment
- The vector database is available in fully managed and serverless configurations. · aws.amazon.com, 7 Oct 2026
- Founded
- 2006 · aws.amazon.com, 28 Sept 2026
- 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. · aws.amazon.com, 7 Oct 2026
- Hybrid search
- It can combine vector embeddings and text-based keywords in a single search request. · aws.amazon.com, 7 Oct 2026
- Integration
- Zero-ETL integrations with Amazon DynamoDB and Amazon DocumentDB support vector search across operational data. · aws.amazon.com, 7 Oct 2026
- Operations
- AWS says the service provides seamless upgrades and patches, 24/7 monitoring, self-healing, and automatic scaling for serverless deployments. · aws.amazon.com, 7 Oct 2026
- 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. · aws.amazon.com, 7 Oct 2026
- Purpose
- Amazon OpenSearch Service is a managed service for deploying and operating search, observability, and log analytics applications. · aws.amazon.com, 7 Oct 2026
- Security
- The service supports encryption at rest and in transit, and granular permissions for indices, documents, and fields. · aws.amazon.com, 7 Oct 2026
- Vector search
- Its vector engine supports k-NN and ANN search using HNSW and IVF implementations, including searches over billions of high-dimensional vectors. · aws.amazon.com, 7 Oct 2026
Where Amazon OpenSearch Service stands on Freedom251
- Ai Databases#7 of 40