Qdrant
Open source vector database and search engine written in Rust
About Qdrant
Qdrant develops an open source vector database and similarity search engine written in Rust, with filtering, hybrid search and quantization features. It offers Qdrant Cloud, hybrid cloud and private cloud options. It is used for retrieval, recommendations and agent applications.
Common use cases
- RAG applications
- Recommendation systems
- Semantic search
- Anomaly detection
Social listening
What people are saying about Qdrant
A comparison article credits efficient filtered search and low memory use, and buyers typically consider community size and embedding needs.
What stands out
- Metadata filtering during vector search keeps filtered queries fast.
- Rust implementation and quantization keep memory use low.
- REST and gRPC APIs with a simple Python client.
Things to consider
- Consider that the community and integration ecosystem is smaller than Milvus.
- Plan to supply your own embeddings, as there is no built-in vectorization.
Often compared with: Pinecone, Weaviate, Milvus, Chroma
Sources (2)
Themes summarized from public reviews, community discussion and press coverage as of November 2026. They reflect public discussion, not a rating or an endorsement by AI Connect.
Products and services
Qdrant open source
Vector database engine.
Qdrant Cloud
Managed service.
Qdrant Hybrid Cloud
Managed control plane running in customer infrastructure.
Pricing and editions. Self-host, managed cloud or on-premises, with a free cloud tier.
Key features
- Payload filtering
- Hybrid search
- Quantization
- Distributed deployment
- Multi-vector support
- Rust performance
Integrations
- OpenAI
- LangChain
- LlamaIndex
- Hugging Face
- AWS
- Google Cloud
- Microsoft Azure
Qdrant alternatives
FAQs
Is it open source?
Yes, with managed offerings available.
Can it run in my infrastructure?
Yes, via hybrid cloud, private cloud or self-hosting.
What is it written in?
Rust.

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