Weaviate

Open-source vector DB with built-in modules.

What is Weaviate?

Open-source vector database with built-in modules for embedding, RAG, and hybrid search. Self-host or use Weaviate Cloud.

Key Features

Built-in modules for embedding, generative search, classification
Hybrid search (vector + keyword) out of the box
Multi-tenancy via tenants (cleaner than namespacing)
GraphQL + REST APIs
Self-host on Docker / K8s, or Weaviate Cloud
Custom modules for domain-specific embedders

FAQ

When pick Weaviate over Pinecone? +

When you want auto-embedding (Weaviate calls the embedder for you) or generative search built into the DB layer. Or when you need self-hosting with the same managed UX you'd get from Pinecone.

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