Abu Hatim al-Razi: Trustworthy, his hadiths are accepted as evidence.
Abu Hatim ibn Hibban al-Busti: He was among the pious and God-fearing scholars.
Abu Hafs Umar ibn Shahin: He mentioned him among the trustworthy scholars.
Abu Dawud al-Sijistani: More reliable than his father.
Abu Ya'la al-Mawsili: His hadiths fill the heart and soul.
Ahmad ibn Hanbal: The pious scholar, one of the flags of Islam. He used to respect him and say: What a young man he is! And once: The pearl of Iraq. And once: He made him a judge over the sheikhs of Kufa, and he would say what he said about them.
Ahmad ibn Sinan al-Qattan: I haven't seen among the young scholars of Kufa anyone better than him.
Ahmad ibn Shu'ayb al-Nasa'i: Trustworthy and reliable.
Ahmad ibn Salih al-Jili: Trustworthy, and considered one of the scholars of Hadith.
Ahmad ibn Salih al-Masri: How evil is what he said, this is the opinion of the Zaydis.
Ibn Hajar al-'Asqalani: Trustworthy, virtuous, and knowledgeable scholar.
Al-Hasan ibn Sufyan al-Nasawi: The delight of Iraq and one of the flags of Islam.
Al-Daraqutni: More knowledgeable than Talq ibn Ghanam and more reliable.
Abd al-Baqi ibn Qani' al-Baghdadi: Trustworthy and reliable.
Ali ibn al-Junayd al-Razi: I haven't seen anyone like him in Kufa, he was a man who combined knowledge, understanding, Sunnah, and piety.
Muhammad ibn Umar al-Sufi: The righteous servant.
Muhammad ibn Waddah al-Qurtubi: Trustworthy, narrated many hadiths, knowledgeable of them, and memorized them.
Yahya ibn Ma'in: He used to say about the sheikhs of Kufa what Ibn Numayr used to say about them.