What it is
MongoDB is a document database, sold mainly as the managed Atlas cloud service. Atlas offers a free M0 tier, a Flex tier at $8 to $30 per month and dedicated clusters from about $57 per month. Vector Search is part of Atlas, which lets teams build retrieval features on the same data store.
Mentioned in
RAG architecture for enterprise AI: what to build and buy
A practical guide to RAG architecture for enterprise AI: when you need it, hybrid search, reranking, GraphRAG, and when to buy a hosted option instead.
MongoDB alternatives
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