Qdrant
Open-source vector search engine with filtering, payload storage, and rich Python/REST/gRPC clients — Rust-built for production scale.
83
Hero Score
Popularity
74
Performance
100
Ecosystem
75
Maturity
92
Dev Experience
75
⭐ 1,372 stars⬇ 3.1M downloads/wkFirst release: Feb 2021Last release: Sep 2026
Async Support: YesPlugin Extensions: HighSpeed: Very fastDoc Quality: Very highLearning Curve: Easy
Pros
- • Rust-built engine with strong filtering, payload storage, and hybrid (dense + sparse) search
- • Supports embedded `:memory:` and on-disk modes alongside server/cloud deployments
- • First-class Python, REST, and gRPC clients with async support and rich ecosystem integrations
Cons
- • Production deployments require running the Qdrant server (Docker/cloud) — not pure embedded
- • Smaller ecosystem of community plugins compared to Postgres-based solutions
- • Advanced features (sharding, replication) add operational complexity at scale