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How Do Claude Citations Link Responses to Source Documents?

What’s the Real Purpose of Citations in Claude AI Responses?

Claude citations trace responses to exact source document sections for verification—essential for trustworthy AI over compression or formatting uses.

Question

What is the primary purpose of citations in Claude?

A. To create a clear trail from Claude’s response back to specific parts of source documents
B. To compress large documents for faster processing
C. To count the number of words in a document
D. To automatically generate footnotes for academic papers

Answer

A. To create a clear trail from Claude’s response back to specific parts of source documents

Explanation

Citations in Claude primarily map generated responses directly to precise excerpts or spans within source documents—like uploaded files or tool-retrieved content—enabling users to verify accuracy, trace reasoning, and debug hallucinations by jumping from claims to originating evidence. This transparency builds trust in production apps handling RAG or analysis tasks, unlike compression (B, Files API concern), word counting (C, trivial utility), or footnotes (D, academic formatting)—citations anchor outputs to inputs for accountability without altering content.