Abu Ahmad ibn Adi al-Jurjani: Among those whose hadiths are written
Abu Hatim ibn Hibban al-Busti: He was among those who made mistakes
Abu Zur'a al-Razi: He is not that good
Abu Abd Allah al-Hakim al-Naysaburi: All his hadiths are upright
Ahmad ibn Hanbal: His hadiths are munkar
Ahmad ibn Shu'ayb al-Nasa'i: He is not strong, and once: Weak
Ibn Hajar al-Asqalani: Weak
Authors of Tahrir Taqrib al-Tahdhib: Weak, but he is considered in corroborations and supporting evidences, which is what the author decided in al-Fath, and this is also indicated by the statements of those who weakened him
Yahya ibn Ma'in: Weak, and once: Weaker than Umar ibn Muhammad ibn Zayd