7 Best Weaviate Alternatives (Self-Hosted)
The best self-hosted alternatives to Weaviate.
Weaviate is an open-source vector database that stores both objects and vectors, allowing vector search with structured filtering, with the fault tolerance and scalability of a cloud-native database. It supports hybrid search (vector + keyword), generative search, and comes with built-in modules for OpenAI, Cohere, Hugging Face, and more. Written in Go, it uses HNSW for ANN indexing and provides a GraphQL API for seamless integration with AI and ML pipelines.