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Embeddings and Vector Search Explained

What embeddings are, how vector search finds related content by meaning, and how to decide whether you need a dedicated vector database.

Format
Guide · Beginner
Level
Beginner
Length
10 min read
Updated
Sep 2026
Topics
embeddings and vector search, what are embeddings, vector database

In one sentence

An embedding turns a piece of text into a list of numbers so that texts with similar meaning end up close together. Vector search uses that closeness to find relevant content even when the exact words differ.

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