Vector databases for production RAG

The vector DB shortlist for serious workloads. All five are self-hostable; Qdrant and Weaviate lead on filtering ergonomics, Pinecone on managed-service polish, Chroma on dev-loop simplicity, Milvus on scale.

1. 1
   qdrant/qdrant

   Healthy signals · 31,125★
2. 2
   weaviate/weaviate

   Healthy signals · 16,152★
3. 3
   chroma-core/chroma

   Healthy signals · 29,219★ · scorecard 5.1
4. 4
   milvus-io/milvus

   Healthy signals · 45,808★ · scorecard 4.4
5. 5
   lancedb/lancedb

   Healthy signals · 11,350★ · scorecard 5.4
6. 6
   pgvector/pgvector

   not yet analysed — analyse now

Drawn from RepoPilot's analyzed corpus and ranked by popularity and health signals, refreshed from each repo's most-recent analysis. Informational only — not professional, security, or legal advice.