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Weaviate
✓ verifiedFreemium
Open-source vector database for developers building RAG, semantic search, and AI agent memory at scale.
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Pricing
Free: $0/mo (100,000 objects, 1 GB memory)
Flex: $45/mo (pay-as-you-go)
Premium: $400/mo (prepaid contract)
Core features
- ✦Vector storage and similarity search at scale
- ✦Built-in embedding generation from text and images
- ✦Natural-language Query Agent for automated queries
- ✦Hybrid keyword plus vector search
- ✦Multi-tenancy and role-based access control
- ✦Deployment-agnostic across cloud, self-hosted, or hybrid
Use cases
- →Building RAG pipelines for enterprise chatbots
- →Powering semantic search over large document sets
- →Supporting AI agent memory and retrieval
- →Running segmented multi-tenant SaaS search products
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