Pushing OpenSearch into RAG or recommendations? JVM nodes to tune, shards to juggle, re-indexing when mappings change. LanceDB is an AI-native serverless vector database on the open Lance format.
Storage on object storage. Compute scales independently. No JVM clusters.
Embeddings, metadata, and raw data together. No OpenSearch cluster plus lake copy.
Add columns without re-indexing. No shard rebalancing.
Vector, full-text, and SQL queries in one system. Not a k-NN plugin.
| OpenSearch | LanceDB | |
|---|---|---|
| Cost | JVM nodes for peak load. Paying for idle. | Object storage with compute-storage separation. Up to 100x savings. |
| Scale | Scale by adding nodes. Shard management required. | 20 PB largest table. 20K+ QPS. Billions of vectors. |
| Search | Full-text native. Vector via k-NN plugin. | Native vector, full-text, and SQL hybrid search in one query. |
| Data model | Index-centric. Vectors inherit shard behavior. | Raw data, embeddings, and features in one table. |
| Purpose | Text/log search engine with vector plugin. | Built for vector and AI workloads. |
| Best for | Log analytics with some vector search. | Vector-first workloads at scale. |
Granular RBAC, SSO integration, and VPC deployment options.
Data versioning and time-travel capabilities for auditability.
Dedicated technical account management and guaranteed SLAs.
Or try LanceDB OSS — same code, scales to Cloud.