Abu Bakr al-Shatawi: I have not seen anyone who memorized more than him
Abu Ya'la al-Khalili: Thiqah (Trustworthy)
Ahmad bin Shu'aib al-Nasa'i: Saduq (Truthful), and once: There is nothing wrong with him
Ibn Abi Hatim al-Razi: Kufi, Thiqah (Trustworthy), Saduq (Truthful), and once: The Imam of his time, narrated from Abdus Salam bin Harb, and Abi Bakr bin Ayash, and Khalid bin Nafi' al-Ash'ari, and Umar bin Ubayd at-Tanafisi, and al-Muttalib bin Ziyad, and Hafs bin Ghiyath, and Abi Khalid al-Ahmar, and Ibn Abi Ghina, narrated from him my father and Abu Zur'ah and we narrated from him
Ibn Hajar al-Asqalani: Thiqah (Trustworthy)
Al-Dhahabi: The Haafidh (The memorizer)
Abd al-Hayy bin al-Imad al-Hanbali: Thiqah (Trustworthy), Hujjah (Proof)
Muslim bin al-Qasim al-Andalusi: Thiqah (Trustworthy)
Yahya bin Ma'in: There is nothing wrong with him, but he narrates from weak people