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Weaviate

Open-source vector database for semantic and AI search

Search Engines ★ 16.7k stars Medium setup BSD-3-Clause

Weaviate is an open-source vector database that stores objects and their vector embeddings for semantic search. It enables AI-powered similarity search, retrieval-augmented generation and hybrid queries.

Key features

  • Vector and hybrid search
  • Built-in vectorization modules
  • GraphQL and REST APIs
  • Horizontal scaling

Pros & cons

Strengths

  • Great for AI semantic search
  • Easy to start

Trade-offs

  • Memory hungry with large datasets

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