Weaviate is an open-source, AI-native vector database designed to handle the complexities of modern AI-driven applications. Unlike traditional databases, Weaviate stores both data objects and their vector embeddings, enabling seamless similarity searches, hybrid queries combining vector and keyword search, and automatic vectorization through its modular integration with popular AI providers. It supports real-time data ingestion, so new vectors are immediately available for search. Weaviate's architecture is built for scalability, handling billions of objects with millisecond latency. It includes a built-in inference engine that can vectorize data using models from OpenAI, Cohere, HuggingFace, and others, eliminating the need for separate infrastructure. The system offers a robust GraphQL API, RESTful endpoints, and client libraries in multiple languages, making it developer-friendly. Weaviate also features multi-tenancy, replication, and hybrid search capabilities that combine BM25 and vector scoring for best results. Use cases include semantic search (e.g., finding similar products, documents, or images), recommendation systems (e.g., personalized content), knowledge management, anomaly detection, and chatbots. Weaviate can be deployed on-premises, in the cloud, or as a managed service, providing flexibility for teams of all sizes.
Developers, data scientists, and AI engineers building semantic search, recommendation, and knowledge graph applications.