Abu Ahmad ibn Adi al-Jurjani: Weak, and the weakness in his narration is obvious, and his narrations are not preserved in general
Abu Hatim al-Razi: He narrates rejected hadiths, you won't find a sound hadith in his narrations
Abu Zur'a al-Razi: He is acceptable, but there is doubt about his father
Ahmad ibn Hanbal: He is acceptable, but he only narrated from his father, if he had narrated from others his status would have been clear
Al-Dhahabi: There is a consensus on his weakness
Al-Zubayr ibn Bakkar: He was a good man
Yahya ibn Ma'in: He is acceptable, and once he said: His narration is not that strong