Definition
Embedding
A numerical vector representation of text, images, or other data that captures semantic meaning in a high-dimensional space, enabling similarity comparisons.
In Depth
Embeddings are how AI systems understand similarity. By converting text into vectors where semantically similar content has similar vectors, embeddings enable search, classification, and clustering without exact keyword matching. In agent systems, embeddings power knowledge retrieval (RAG), memory search, and semantic routing. Modern embedding models produce vectors with hundreds or thousands of dimensions, capturing nuanced meaning far beyond what keyword matching can achieve.
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