Vector Database · Vendor file
Weaviate
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Open-source vector database with hybrid search, schema-aware storage, and multi-tenancy
Active · verified September 2026
Categories Weaviate serves
The B4 Index places Weaviate in 2 categories. Each category page lays out the build-versus-buy considerations for that decision.
Vector Database Primary ~$64/month for 10M vectors. SLA-based enterprise pricing.
RAG Infrastructure & Retrieval Free sandbox; production from $25/mo
Weaviate compared
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