ClickHouse vs Weaviate (2026)
Overview
High-performance analytical database with vector search. Standard for observability + embeddings.
Weaviate is an open-source vector database that combines vector search with structured filtering and generative capabilities. It supports multiple vectorization modules, hybrid search (combining BM25 and vector search), and built-in integrations with LLMs for retrieval-augmented generation. Weaviate offers both self-hosted and managed cloud deployments, with a GraphQL API that makes it easy to query complex data structures.
Key features
Core capabilities each platform advertises.
- Analytics + vector
- High scale
- Observability
- Open-source vector database
- Hybrid search (vector + keyword)
- Multi-modal support
- GraphQL and REST APIs
- Kubernetes-native deployment
ClickHouse or Weaviate — which should you choose?
Choose ClickHouse if you wantChoose if you want
Choose Weaviate if you wantChoose if you want
- Multimodal search across text, images, and more
- RAG with hybrid retrieval
- E-commerce product search
- Content recommendation engines
- Self-hosted vector search
Compare ClickHouse and Weaviate on your own traffic
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