Amazon OpenSearch Service pricing
1 plan read from aws.amazon.com
Pay as you goPrice 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
In short
- Amazon OpenSearch Service has a free plan (Pay as you go).
What the alternatives costAll alternatives →
| Tool | From | Free plan | Free trial |
|---|---|---|---|
| Chroma | $250/mo | Yes | Yes |
| ClickHouse Cloud | $25.30/mo | No | Yes |
| Pinecone | $20/mo | Yes | Yes |
| SingleStore Helios | $0.99/mo | Yes | Yes |
| Vespa | — | Yes | Yes |
| Kinetica | $1.80/mo | Yes | No |
| Elasticsearch | $99/mo | No | Yes |
| Milvus | — | Yes | No |