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Self-Hosted vs Managed Vector Databases (2026)

The core trade-off when picking a vector database. Both are valid — it depends on your team's ops capacity and budget.

DimensionSelf-hostedManaged
Cost at low scaleCheaper (your hardware)Higher (per-usage pricing)
Ops overheadYou run/scale/back upProvider handles it
Lock-inNone / portableTied to provider
Control & data residencyFullLimited
Time to first querySlower (setup)Minutes

Tools with a managed option

Self-hostable (open-source)

Milvus · FAISS · Qdrant · Chroma · pgvector · Weaviate · LanceDB · Vespa · Marqo

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