Abu Hatim al-Razi: Sheikh
Ahmad ibn Hanbal: May Allah humiliate him, do not speak to him, do not write his books, and do not sit with those who sit with him
Ibn Hajar al-'Asqalani: Faqih, trustworthy, excellent, Ahmad spoke about him because of the issue of pronunciation
Al-Dhahabi: Trustworthy, one of the Awliya
Hajjaj ibn al-Sha'ir al-Baghdadi: One of the righteous
Abd al-Rahman ibn Yusuf ibn Kharash: Just, trustworthy
Authors of Tahrir Taqrib al-Tahdhib: Trustworthy, good in Hadith, and he is the Sheikh of al-Tirmidhi and al-Nasa'i
Yahya ibn Ma'in: When it reached him that he spoke about Ahmad, he said: How he needs to be beaten, and he insulted him