What is Cosine similarity?

Cosine similarity measures the cosine of the angle between two vectors, giving a value from −1 to 1 that reflects orientation rather than magnitude. It is the standard similarity measure for text embeddings.

3 tools that work with Cosine similarity

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Text Tools1

Text Similarity CheckerCompare two texts with Levenshtein distance, Jaccard, cosine and Dice coefficients.

AI & LLM Tools1

Embedding Similarity CalculatorPaste embedding vectors and get every pairwise cosine, dot product, Euclidean and Manhattan distance, ranked.

On-Device AI1

Semantic Search & SimilarityEmbed a list of sentences with a real model and rank them by meaning — or find the near-duplicates in a list.

Related terms

Terms that appear alongside Cosine similarity on the same tools.

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