Abu Ahmad ibn Adi al-Jurjani: His hadith from Qatada is especially mudtarib (inconsistent) and although he is weak, his hadith is written down
Abu Bakr al-Bazzar: He is not a hafiz (one who has memorized a vast amount of knowledge)
Abu Bakr al-Bayhaqi: He is not strong
Abu Ja'far al-'Uqayli: He has other hadiths from Qatada that are munkar (rejected) and should not be followed
Abu Hatim al-Razi: His hadith is written down but not used as evidence
Abu Hatim ibn Hibban al-Busti: He makes mistakes and contradicts. He once said: He was among those who narrated from Qatada in a way that did not resemble his hadith, so I do not like to use him as evidence when he narrates alone. As for what he agrees with the trustworthy narrators, if someone considers him reliable, I see no problem with that
Ahmad ibn Hanbal: He is trustworthy. He once said: He narrates munkar (rejected) hadiths from Qatada and contradicts
Ibn Hajar al-'Asqalani: Saduq (truthful) in his hadith from Qatada, weak
al-Daraqutni: He is lenient, he should be abandoned
al-Dhahabi: He is trustworthy
Abd al-Samad ibn Abd al-Warith al-Anbari: He is trustworthy, and above trustworthy
Muhammad ibn Isma'il al-Bukhari: Saduq (truthful), and once: Close to being abandoned
Yahya ibn Ma'in: He is trustworthy, and once said: Salih (righteous)