Redis Stack (Vector)
Redis with vector similarity search and full-text index
Verdict
Excellent for semantic cache + vector search in one service. Sub-millisecond latency. Use when you need vectors AND a cache/pub-sub layer — avoids adding another system.
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
- MongoDB Atlas Vector SearchStable
Native vector search within MongoDB Atlas — no separate database needed
- PineconeProduction
Fully managed serverless vector database