Pyyan / Vector Databases / Redis

Redis

In-memory, so very fast and RAM-bound.

currentRedis ↗Verified 2026-08-13

5ms

p50 latency

Specifications

Index	HNSW, FLAT
Hybrid search	Yes
Hosting	Self-host and managed
Licence	RSALv2 / SSPL
p50 latency	5ms

Official links

Redis official site

What matters

Practical to roughly 10 to 100 million vectors
You are paying for RAM, which sets the ceiling

Best for caches and hot vector sets.

Compare with

All 5 side by side →

Redis vs pgvector →Redis vs Qdrant →Redis vs Pinecone →Redis vs Milvus →Redis vs Weaviate →

Also in Vector Databases

pgvector · PostgreSQL Qdrant Pinecone Milvus · Zilliz Weaviate