Weaviate
Open-source vector database with hybrid search you can self-host or run in the cloud.
Visit Weaviate Free open source; Cloud from $25/mo
What is Weaviate?
Weaviate is an open-source vector database that combines vector, keyword, and hybrid search with built-in modules that call embedding and generative models for you. Run it yourself for free or use Weaviate Cloud.
Key features
- Vector, BM25 keyword, and hybrid search in one query
- Vectoriser modules that embed data automatically
- Generative search that feeds results to an LLM
- Multi-tenancy and RBAC for production apps
- Self-hosted, Kubernetes, or managed cloud
Pros
- Open source with a real self-hosting option
- Hybrid search out of the box beats pure-vector retrieval on many tasks
- Flexible schema and strong filtering
Cons
- Self-hosting means you own the operations
- More configuration than Pinecone to get right
- Smaller ecosystem of tutorials than Pinecone
Best for
Teams that need self-hosting or data residencySearch products mixing keywords and semanticsDevelopers who want to avoid vendor lock-in
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