Abu Ahmad ibn Adi al-Jurjani: He is weak in my opinion, but his hadiths are unique, and despite his weakness, he used to write down his hadiths
Abu al-Faraj ibn al-Jawzi: He accused him
Abu Ja'far al-'Uqayli: His hadiths are not corroborated
Abu Hatim al-Razi: He is not strong
Yahya ibn Ma'in: Khalid al-Qasri, on his father, on his grandfather, on the Prophet, peace and blessings be upon him, is nothing. His people say: He has no companions, and if he had companions, his family would have been honored by him