Abu Ahmad ibn Adi al-Jarjani: He was narrated by trustworthy narrators, but he was criticized for mentioning things in the texts of hadiths that no one else mentioned. As for his chains of narration, they are sound.
Abu Bakr al-Bazzar: He has hadiths that are not corroborated.
Abu Bakr al-Bayhaqi: He is not strong.
Abu Hatim al-Razi: Weak narrator, not strong.
Abu Hatim ibn Hibban al-Basti: Negligent, he makes mistakes in narrations until he changes them, and he narrates from trustworthy narrators what does not resemble authentic hadiths.
Abu Dawud al-Sijistani: He is nothing. Once he said: He is weak in hadith.
Ahmad ibn Hanbal: He is nothing, and his hadiths should not be written.
Ahmad ibn Shuayb al-Nasai: Weak narrator. Once he said: Abandoned narrator. And once: He is not trustworthy.
Ibn Hajar al-Asqalani: Weak.
Ibn Abd al-Barr al-Andalusi: They all agreed that he is a weak narrator.
Al-Daraqutni: Weak.
Al-Dhahabi: They considered him weak.
Abd al-Rahman ibn Mahdi: He does not narrate from him.
Muhammad ibn Ismail al-Bukhari: He is not considered strong by them.
Muhammad ibn Abd Allah ibn Numayr: Weak.
Yahya ibn Sa'id al-Qattan: He does not narrate from him.
Yahya ibn Ma'in: Weak narrator. He once said: He is nothing.