Qdrant
A fast, Rust-built vector database with rich filtering and a generous free cloud tier.
Visit Qdrant Free open source; Cloud free 1 GB cluster, then usage-based
Quick verdict
- Best for
- Production RAG with complex filters
- Pricing
- Free open source; Cloud free 1 GB cluster, then usage-based
- Not ideal if
- More configuration than Chroma for simple cases
What is Qdrant?
Qdrant is an open-source vector search engine written in Rust, known for performance, payload filtering, and quantisation options that cut memory costs. Self-host it or use Qdrant Cloud, which includes a permanent free cluster.
Key features
- High-throughput vector search with rich payload filters
- Scalar, product, and binary quantisation to reduce memory
- Hybrid search with sparse vectors
- Multitenancy and sharding for scale
- Cloud with a free forever tier
Pros
- Performance and memory efficiency are class-leading
- Free cloud cluster is enough for real small apps
- Open source with no feature gating
Cons
- More configuration than Chroma for simple cases
- Smaller ecosystem of tutorials than Pinecone
- Managed cloud costs need monitoring at scale
Best for
Production RAG with complex filtersTeams optimising memory and costSelf-hosting with a cloud fallback
Read more
Related comparisons
Alternatives to Qdrant
Weaviate
Open-source vector database with hybrid search you can self-host or run in the cloud.
FreemiumFree open source; Cloud from $25/mo
Released January 2019
Pinecone
The managed vector database most RAG systems were built on.
FreemiumFree Starter tier; Standard from $50/mo minimum
Released January 2021
Chroma
The open-source embedding database that most RAG tutorials start with.
FreemiumFree open source; Chroma Cloud usage-based with free credits
Released February 2023