Vector Databases

A vector database stores AI embeddings and searches by meaning rather than exact keywords, powering tools like retrieval-augmented chatbots and semantic search. This hub explains how they work and covers the products and providers in the space.

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t-SNE visualization of word embeddings clustering semantically similar words together in vector space

What Is a Vector Database — and Why Does AI Need One?

14 July 2026

Vector databases store AI embeddings and search by meaning rather than keywords. Here is how they work, and why they power tools like RAG-based chatbots and semantic search.