Abu Hatim al-Razi: He is okay
Abu Zur'ah al-Razi: He is okay
Abu Sa'id ibn Yunus al-Masri: He was a trustworthy and righteous jurist
Ahmad ibn Hanbal: I do not know of anything but good, he is an Imam in my opinion
Ahmad ibn Shu'ayb al-Nasa'i: Trustworthy
Ibn Hajar al-'Asqalani: Trustworthy
Ali ibn al-Hasan ibn Qutaybah: He did not memorize well, but he was trustworthy, righteous and upright
Muslim ibn al-Qasim al-Andalusi: Trustworthy