Abu Hatim al-Razi: He is okay
Ahmad ibn Shakir al-Balkhi: Yazid al-Farisi is almost unknown, so much so that it was suspected by the likes of Ibn Mahdi, Ahmad, and al-Bukhari that he might be Ibn Hurmuz or someone else
Ibn Hajar al-Asqalani: Acceptable
Shuaib al-Arna'out: Among the unknown
Yahiya ibn Sa'id al-Qattan: He would be with the Emirs