Weaviate

Weaviate is an AI database platform for building vector search, retrieval-augmented generation (RAG), and AI agent applications, trusted by companies including Booking, Intuit, Cisco, and Scribd. It stores, indexes, and searches high-dimensional vectors at scale, with a Query Agent for natural-language database queries, built-in embeddings generation from text and images, and Engram for personalized, adaptive AI experiences. Weaviate supports multi-tenancy demonstrated at more than 50,000 tenants, offers production-ready enterprise features including SOC 2, HIPAA, and RBAC compliance, and provides SDKs for Python, Go, TypeScript, and JavaScript. The core database is free and open source with a self-hosted option, while Weaviate Cloud offers a freemium model with usage-based pricing, shared, dedicated, or bring-your-own-cloud deployment, and enterprise plans.