AI Chatbot Terms > 1 min read

Text Embeddings: Converting Words to Vectors for AI Search

Learn how text embeddings transform words and sentences into numerical vectors, enabling semantic search and AI-powered information retrieval.

More about Text Embedding

Text Embedding is the process of converting text (words, sentences, or documents) into dense numerical vectors that capture semantic meaning. Similar texts produce similar vectors, enabling semantic search where the AI finds conceptually related content even without exact keyword matches.

Embeddings are fundamental to RAG systems and vector databases. Popular embedding models include OpenAI's text-embedding-ada-002, Cohere's embed, and open-source options like sentence-transformers.

Frequently Asked Questions

Embeddings enable semantic search—finding content based on meaning rather than keywords. A query about "refund policy" can match content about "returns" even if those exact words aren't used.

Embedding dimensions (e.g., 1536 for OpenAI) determine the vector size. More dimensions can capture more nuance but require more storage and computation.

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