Pinecone
Pinecone Systems, Inc. · Vector databases
Fully managed, proprietary vector database service with serverless indexes, namespaces, metadata filtering and integrated embedding and reranking
ProprietaryFreemiumUsage-basedNov 2, 2026
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Weaviate
Weaviate B.V. · Vector databases
Open-source vector database in Go with pluggable vectorizer modules, hybrid BM25 and vector search, multi-tenancy and a managed cloud
BSD-3-ClauseOpen sourceFreemiumSelf-hostedBroken
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