Abu Ahmad ibn Adi al-Jurjani: He narrated what is not followed upon, and he is one whose hadith is written down, even if there is some weakness in him
Abu Hatim al-Razi: His hadith is written down, but not used as evidence
Abu Hatim ibn Hibban al-Busti: He makes many mistakes, and I have not seen him deliberately lie
Ahmad ibn Hanbal: He rejects hadith. I considered his hadiths, but he comes up with strange things. He once said: Kufa is a marsh of accused people who speak
Ahmad ibn Shuayb al-Nasa'i: He is not strong, and once: He is alright
Ahmad ibn Salih al-Jili: Trustworthy
Ibn Hajar al-Asqalani: Truthful, lenient in hadith, accused of Murji'ism
Al-Dhahabi: Trustworthy, but there is something about him
Zakaria ibn Yahya al-Saji: Rejects hadith, he has strange narrations
Muhammad ibn Ismail al-Bukhari: He contradicts in some of his hadiths
Authors of Tahrir Taqrib al-Tahdhib: Weak but considered, we do not know of anyone who considered him highly trustworthy except Ibn Ma'in, and Ahmad's words about him are considered explicit criticism
Yahya ibn Ma'in: Trustworthy