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Vector search in databases you already use
16 databases and cloud services that add vector search to existing data. General-purpose databases and storage services with built-in vector search, an option when you would rather not run a separate vector database. Compare index types and scale limits.
How to read this page. The tools are grouped by category and are not ranked. Pricing labels come from vendors' own pages when we could confirm them. Always verify plans and limits on the vendor's site.
Vector Databases (16)
| Tool | What it does | Pricing | Link |
|---|---|---|---|
| Amazon S3 Vectors | Native vector storage and similarity queries in Amazon S3. | See site | Official site |
| Cloudflare Vectorize | Globally distributed vector database on Cloudflare. | See site | Official site |
| Couchbase | Cloud database with vector search for AI applications. | See site | Official site |
| Elasticsearch | Search and analytics engine that supports vector and hybrid search. | See site | Official site |
| MongoDB Atlas Vector Search | Vector search built into MongoDB Atlas. | See site | Official site |
| Neo4j | Graph database with vector search, used for knowledge graphs and GraphRAG. | Freemium | Official site |
| OpenSearch | Open-source search and analytics suite with vector search. | See site | Official site |
| Oracle AI Vector Search | Vector search built into Oracle Database. | See site | Official site |
| ParadeDB | Postgres extension and distribution for full-text search and analytics, used alongside vector search. | Free | Official site |
| pgvector | Open-source vector similarity search extension for PostgreSQL. | Free | Official site |
| Redis | In-memory data platform with vector search and semantic caching for AI apps. | Freemium | Official site |
| SingleStore | Distributed SQL database with built-in vector search for real-time AI apps. | See site | Official site |
| Supabase | Open-source Postgres development platform with vector and AI toolkit. | Freemium | Official site |
| SurrealDB | Multi-model database with vector, graph and document data, positioned as memory for AI agents. | Freemium | Official site |
| TigerData | Postgres cloud from the creators of TimescaleDB, with pgvectorscale for vector workloads. | Freemium | Official site |
| VectorChord | Postgres extension for scalable vector search. | See site | Official site |