Abu Ahmad al-Hakim: He is not strong (reliable) according to them
Abu Ja'far al-'Uqayli: He narrated hadiths from Thawri that are not corroborated
Abu Hatim al-Razi: Trustworthy, good in hadith
Abu Hatim ibn Hibban al-Busti: He makes mistakes and transmits strange narrations
Ahmad ibn Shu'ayb al-Nasa'i: He is not strong (reliable)
Ibrahim ibn Musa al-Farra': He weakened him and said: There is irregularity in his hadith
Ibn Hajar al-'Asqalani: Truthful but with some errors, poor memory
al-Daraqutni: He is alright
al-Dhahabi: There is leniency in him
Zakariya ibn Yahya al-Saji: There is irregularity in his hadith
Muhammad ibn Isma'il al-Bukhari: There is irregularity in his hadith
Authors of Tahrir Taqrib al-Tahdhib: Weak but considered in corroborations and supporting narrations
Yahya ibn Ma'in: He has many mistakes in the hadith of Sufyan, and once: Trustworthy