YOU SAID:
I’m not as dumb as you are stupid
INTO JAPANESE
私はあなたが愚かなほど愚かではありません
BACK INTO ENGLISH
I am not as stupid as you are stupid
INTO JAPANESE
私はあなたが愚かであるほど愚かではない
BACK INTO ENGLISH
I am not as stupid as you are stupid
That didn't even make that much sense in English.