Vector databaseOpen sourceUpdated 2026
Weaviate
Intermediate · Vector database
Open-source vector database and AI-native search platform with hybrid search features.
Best for
Teams that want vector search, hybrid search, and managed/self-hosted deployment choices.
Why use it
Good fit when retrieval needs both vector and keyword-style search options.
Tradeoffs
More platform surface area than small projects may need.
Key features
- Vector search
- Hybrid search
- Managed and self-hosted options
Alternatives
Qdrant, Milvus, pgvector
Where it fits
Weaviate belongs in the vector database layer of an open AI stack. Evaluate it against your model runtime, privacy needs, deployment target, and the amount of operational complexity your team can support.
CategoryVector databaseLicenseBSD-3-ClauseDeploymentVector databaseModeSelf-hosted or cloud
Weaviate GitHub →Recommendation
Use Weaviate when hybrid search and platform features matter.