Abu Hatim ibn Hibban al-Busti: He said: He travels to the West and narrates independently.
Abu Hafs Umar ibn Shahin: Thiqah
Ahmad ibn Shu'ayb al-Nasa'i: Thiqah
Ahmad ibn Salih al-Jili: Thiqah Thabt Muttaqin
Ibn Hajar al-'Asqalani: Thiqah Mamun. He is among the most knowledgeable in the Book of Revolutions.
al-Daraqutni: From the Thiqat
al-Dhahabi: Imam Thabt
Muhammad ibn Sa'd Kathir al-Waqidi: Thiqah
Yahya ibn Ma'in: Thiqah Mamun, and once he said: There was no one in Kufa more knowledgeable about Sufyan than al-Ashja'i. He was more knowledgeable about him than Abd al-Rahman ibn Mahdi.