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
- PineconeProduction
Fully managed serverless vector database
- WeaviateStable
Open-source vector database with built-in ML modules
- QdrantStable
High-performance vector similarity search engine in Rust
- ChromaStable
Embedded, developer-first vector database
- pgvectorProduction
PostgreSQL extension for vector similarity search
- MilvusStable
Cloud-native distributed vector database for billion-scale

