MongoDB Atlas Vector Search
Native vector search within MongoDB Atlas — no separate database needed
Verdict
Store vectors alongside your application data in MongoDB. Great for teams already on Atlas — avoids a second database. Lucene-based kNN with pre-filtering on document fields.
Other Vector Databases
- ChromaStable
Embedded, developer-first vector database
- Elasticsearch Vector SearchProduction
Vector similarity search built into the Elasticsearch engine
- LanceDBExperimental
Embedded serverless vector database backed by Lance columnar format
- MilvusStable
Cloud-native distributed vector database for billion-scale
- PineconeProduction
Fully managed serverless vector database
- QdrantStable
High-performance vector similarity search engine in Rust