Vector Databases

Open-source vector extension for PostgreSQL — the default choice for SQL + embeddings.

Managed vector database for similarity search and RAG.

Elasticsearch with vector search, hybrid retrieval, and enterprise AI features.

Managed cognitive search with vector, hybrid, and semantic ranking on Azure.

Vector similarity search built into Redis — low-latency embeddings at scale.

Open-source search and analytics engine with k-NN vector search support.

Vector search integrated into MongoDB Atlas alongside operational document data.

Open-source vector database with filtering and hybrid search.

Open big data serving engine for vector search, ranking, and ML inference at scale.

Vector search on Neo4j graph database — combine embeddings with knowledge graphs.

Open-source vector database built for billion-scale similarity search.

Embedded vector database built on the Lance columnar format for search over object storage.

Open-source embedding database for AI applications.

Open-source vector database with hybrid search and modules.