Weaviate

AI Infrastructure
FreemiumVisit Site

An open-source vector database for production semantic search and RAG, available self-hosted or as a managed cloud service.

Overview

Weaviate is a mature open-source vector database with built-in vectorization modules, hybrid keyword-and-vector search, and multi-tenancy — the last being genuinely useful for SaaS and enterprise apps that must isolate customer data. You can self-host it or run Weaviate Cloud as a managed service. Among the open vector databases it is a well-rounded, production-credible choice. As always, the database is the easy part: retrieval quality, chunking, and evaluation remain the work that determines whether RAG actually performs.

Pros & Cons

Pros

  • Mature open-source vector database
  • Hybrid keyword-plus-vector search
  • Multi-tenancy for isolating customer data
  • Self-hosted or managed cloud

Cons

  • Self-hosting carries an operational burden
  • Retrieval quality still depends on your tuning
  • Another datastore to run and monitor

Workflows that use Weaviate

Get a new AI workflow each week — many feature Weaviate and other tools in this category.