Qdrant
Rust-based OSS vector DB with payload filtering and hybrid search; self-host or cloud.
- License
- Apache-2.0
- Install
- mcp docker
- Website
- https://qdrant.tech
- GitHub
- https://github.com/qdrant/qdrant
docker pull qdrant/qdrant
pgvector
Vector similarity search as a PostgreSQL extension. The 'boring tech' pick for RAG.
- License
- PostgreSQL
- Install
- external link
- Website
- https://github.com/pgvector/pgvector
- GitHub
- https://github.com/pgvector/pgvector
https://github.com/pgvector/pgvector#installation
When to reach for which
Qdrant — Rust-based OSS vector DB with payload filtering and hybrid search; self-host or cloud.
pgvector — Vector similarity search as a PostgreSQL extension. The 'boring tech' pick for RAG.
Both sit in the Vector Databases category — they're substitutes, not complements. Pick by your install constraint (MCP-native, license, hosting model) and which tag overlap matters most to your stack.