# AbsenceBench

> The opposite of NIAH test. See AbsenceBench: Language Models Can't Tell What's Missing

The opposite of [NIAH](https://wiki.g15e.com/pages/The%20Needle%20In%20a%20Haystack%20Test.txt) test. See [AbsenceBench: Language Models Can't Tell What's Missing](https://wiki.g15e.com/pages/AbsenceBench%20-%20Language%20Models%20Can't%20Tell%20Whats%20Missing.txt)

> AbsenceBench asks models to identify which pieces of a document were deliberately removed, given access to both the original and edited contexts.