DigitalOcean Vector Databases Concepts

Last verified 27 Apr 2026

DigitalOcean Vector Databases are managed clusters purpose-built for vector similarity search, supporting Weaviate, OpenSearch, and PostgreSQL (pgvector) for retrieval-augmented generation (RAG), semantic search, and other AI workloads.

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Vector Search

Understand how vector search uses embeddings, similarity metrics, nearest-neighbor indexes, metadata, and hybrid search to find related content.

Choosing Between OpenSearch, Weaviate, and pgvector

Choose the vector database engine that best fits your application’s search, data model, and operational needs.

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