Weaviate vs ClickHouse: Choosing the Right Vector Database for Your Needs

Weaviate and ClickHouse are two open-source vector databases with different strengths and use cases. Weaviate is designed for AI focused applications, offering built-in vector search capabilities, easy integration with machine learning models, and a focus on data privacy. It supports multi-modal data and has deep integration with the GenAI ecosystem. ClickHouse, on the other hand, is an OLAP database for real-time analytics with full SQL support and fast query processing. It can handle large vector datasets without being memory bound and supports filtering and aggregation on metadata. Weaviate is best for AI focused projects with diverse data types, while ClickHouse is great for massive datasets and powerful SQL based vector operations alongside traditional analytics.