How to Use the Cosine Similarity Vector Calculator
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1
Enter two text snippets or comma-separated numeric embedding vectors.
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2
Click "Compute Semantic Similarity".
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3
Inspect percentage similarity score, dot product, and Euclidean distance.
Practical Example & Use Case
Common Real-World Scenario
Testing similarity between search queries and FAQ titles to determine the optimal embedding retrieval threshold.
Technical Notes & Limitations
Browser Engine Architecture
Text mode uses n-gram frequency vectors; for high-dimensional 1536-dim embeddings, paste raw vector numbers.
Frequently Asked Questions
What is a good cosine similarity score?
Generally, scores above 0.80 indicate strong semantic relevance in vector databases.