Open-source vector database with built-in vectorization, hybrid search, and GraphQL API.
Five passes over the same idea, each from a different angle. Do them in order, or jump to whichever you need.
Weaviate is an open-source vector database that supports built-in vectorization modules (OpenAI, Cohere, HuggingFace). Features: HNSW indexing, hybrid search (BM25 + vector), multi-tenancy, generative search, and a GraphQL API. Can be self-hosted or used as a managed cloud service.
