Ibn Abi Hatim al-Razi: I wrote about him in Ray
Ibn Hajar al-Asqalani: Saduq (truthful)
al-Khatib al-Baghdadi: Saduq (truthful) Arif (knowledgeable)
al-Daraqutni: He narrated from a book other than his own what was not in its originals
al-Dhahabi: Saduq (truthful) Imam
Jalal al-Din al-Suyuti: al-Imam al-Hafiz
Muhammad ibn Rizquwayh al-Hafiz: Unique in his time in the abundance of Hadith