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Weaviate

Recommended

Open-source vector database with built-in ML model integration

27 reviews
Has API

Weaviate is the best open-source vector database. Built-in vectorization and hybrid search are strong differentiators.

What's great

  • Open-source and self-hostable
  • Built-in ML vectorization
  • Hybrid search is powerful

Watch out for

  • More complex than Pinecone
  • Self-hosting requires expertise
  • Documentation could be better

Best for

AI teams that want an open-source vector database with built-in model integration

Not ideal for

Teams wanting the simplest managed vector database

Starter

$25/mo

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