Abu Hatim al-Razi: Among the trustworthy
Abu Dawud al-Sijistani: Trustworthy
Abu Abd Allah al-Hakim al-Naysaburi: There is agreement upon his Imamate, حفظ, and piety
Ahmad ibn Shu'ayb al-Nasa'i: Trustworthy, reliable
Ibrahim ibn Abi Talib al-Naysaburi: No one more firm or precise has come before us
Ibn Hajar al-'Asqalani: Trustworthy, reliable, Sunni
Ibn 'Abd al-Barr al-Andalusi: They agreed upon his trustworthiness
Al-Dhahabi: Upright Imam
Muslim ibn al-Qasim al-Andalusi: Trustworthy, reliable