Source number check

Paste the source an AI was given (a table, a document, retrieved passages) and the answer it wrote. Every number in the answer that does not appear in the source is highlighted in red. Useful to test a RAG pipeline or a grounded assistant. Everything runs in your browser: nothing is sent anywhere.

Source given to the AI

AI answer

ignore whole numbers below 10 ignore years (1900–2099)

Numbers are compared by value, whatever the format: 39,232 · 39.232 · 39 232 · 39232 are the same number, and 0,45 equals 0.45. A red number is not necessarily wrong (it may be a sum, a percentage or a rounding), but it does not come from the source as written: check it.