Glossary term
Glossary term
Memory and Retrieval
Vector search finds information based on meaning, not just keywords. It compares embeddings, numerical representations of content, to return the most relevant results, even when the user's words do not exactly match the document.
Pinecone, Weaviate, and Qdrant offer managed vector search APIs used by enterprises.
Elasticsearch and OpenSearch added vector search via HNSW indexes in 2022 and 2023.
Azure AI Search, AWS OpenSearch Service, and Google Vertex AI Vector Search are managed cloud offerings.