Best Vector Databases (2026)

Specialized databases designed for storing and querying high-dimensional vector embeddings, essential for building semantic search and RAG applications.

#1Pinecone
mac, windows, linux
Free
  • Managed vector database
  • Serverless architecture
  • Hybrid search
#2Weaviate
mac, windows, linux
Free
  • Open-source vector database
  • Hybrid search (vector + keyword)
  • Multi-tenancy
#3ChromaDB
mac, windows, linux
Free
  • Open-source embedding database
  • Simple Python/JS API
  • Metadata filtering

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