Weaviate

Weaviate

An open-source vector database platform for production AI applications. Weaviate combines semantic search, RAG pipelines, and generative AI capabilities in a unified system that scales to billions of vectors.

Highlights

• Vector database with billion-scale architecture and automatic scaling
• Hybrid search combining vector similarity with keyword matching
• Built-in embedding models for text and images
• Multi-tenant architecture supporting 50K+ tenants
• GraphQL and REST APIs with SDKs for Python, Go, TypeScript, JavaScript
• Enterprise features including SOC 2, HIPAA compliance, and role-based access control

Used by AI teams building production systems from startups to enterprises. Weaviate powers retrieval-augmented generation pipelines, semantic search, and AI agent workflows. Choose from managed cloud, self-hosted infrastructure, or multi-tenant deployment. Free tier available for development; usage-based pricing for production scale.