Abu Ahmad ibn Adi al-Jurjani: He has very few hadiths, and most of his hadiths are strange, and some of his hadiths are Munkar (rejected).
Abu Hatim al-Razi: He is not strong, he narrated Munkar (rejected) hadiths on the authority of Hukaym ibn Aban.
Abu Dawud al-Sijistani: It has reached me that he is weak
Abu Zur'ah al-Razi: He is a Munkar (rejector) of Hadith.
Ibn Hajar al-Asqalani: Weak
Al-Dhahabi: Weak
Muhammad ibn Isma'il al-Bukhari: Unknown and his hadith is Munkar (rejected).