Peanuts are legumes - like beans and peas, so they are one of the foods which vary a lot in their effect, probably down to the different gut enzymes, which seem rather mix and match in Humans.
If a portion of beans is nominally 10 gm then I can extract 18gm of carbs from it - so I don't eat many peas, and exclude beans completely unless they are eaten still in their pods like French or runner beans.
It is something really worthwhile checking with a glucose meter as it varies them in moderation, preferably raw or