Vector Database Comparison Table 2026: Full Feature Matrix (8 Databases)

Vector database comparison: a full feature matrix of 7 open-source engines (Qdrant, Milvus, Weaviate, pgvector, Chroma, Typesense, Vespa).

💡 What You Will Learn

Vector database comparison: a full feature matrix of 7 open-source engines (Qdrant, Milvus, Weaviate, pgvector, Chroma, Typesense, Vespa).

Vector database comparison: a full feature matrix of 7 open-source engines (Qdrant, Milvus, Weaviate, pgvector, Chroma, Typesense, Vespa). Filtering, hybrid search, built-in embeddings, cloud options, and how to choose for RAG, agents and search apps.

❓ FAQ

What is HNSW?

Hierarchical Navigable Small World - the graph index that makes ANN search fast; all 7 support it.

Can I migrate later?

Yes - all support exporting vectors, but filter syntax differs, so budget migration time.