Abu Ahmad ibn Adi al-Jurjani: His hadiths are isolated and strange, he narrated hadiths that are not followed
Abu Hatim al-Razi: There is nothing wrong with his hadith
Abu Zur'a al-Razi: Saduq (Truthful)
Ahmad ibn Shuayb al-Nasa'i: Da'if (Weak)
Ibn Hajar al-'Asqalani: Saduq (Truthful) but with some strangeness, once: He has one hadith in Bukhari
al-Daraqutni: He narrates hadiths unique from the trustworthy narrators
Authors of Tahrir Taqrib al-Tahdhib: Da'if (Weak) but considered
Yahya ibn Ma'in: Kufi, not anything