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PPineconePinecone Systems, Inc. · Vector databasesFully managed, proprietary vector database service with serverless indexes, namespaces, metadata filtering and integrated embedding and rerankingProprietaryFreemiumUsage-basedNov 2, 2026
QQdrantQdrant Solutions GmbH · Vector databasesIn-depth entryOpen-source vector search engine written in Rust with filterable HNSW indexes, sparse and multi-vector support, REST/gRPC APIs and a managed cloudApache-2.0Open sourceFreemiumLocalSelf-hostedNov 2, 2026