Abu Ahmad ibn Adi al-Jurjani: Weakness between narrations from him
Abu Hatim ibn Hibban al-Busti: Confused in Hadith, he was among those who would alter chains of narrators. It is not permissible to rely on him except in what agrees with the trustworthy, so his hadith would be like one supported by others, not something to be solely relied upon
Abu Zar'a al-Razi: He had a tendency to forget, but he would not lie
Ahmad ibn Hanbal: Truthful, but he was a Murji'ite
Ahmad ibn Shu'ayb al-Nasa'i: Abandoned in Hadith, and once: He is not trustworthy, nor reliable
Ibn Abi Hatim al-Razi: Abandoned in Hadith
Ibn Hajar al-'Asqalani: Weak and accused of Murji'ism
al-Daraqutni: Weak
al-Dhahabi: They weakened him and accused him of gloominess
Muhammad ibn Isma'il al-Bukhari: There is confusion in him
Yahya ibn Ma'in: He is not anything, and once: Jahmite, wicked, enemy of Allah, and once: Weak
Ya'qub ibn Sufyan al-Faswi: I heard our companions weakening them