Abu Hatim al-Razi: Salih al-Hadith, not a Hafiz, and once: Salih al-Hadith, his memorization changed before his death
Abu Nu'aym al-Asbahani: One of the prominent Tabi'een, he met thirty of the Companions
Ahmad ibn Hanbal: Very weak and once: Mudtarib al-Hadith, and once: Weak due to his mistakes, and once: Very Mudtarib al-Hadith, with few narrations, I don't think he has five hundred hadiths, and he made mistakes in many of them
Ahmad ibn Shu'ayb al-Nasa'i: There is nothing wrong with him
Ahmad ibn Salih al-Jili: Thiqah Salih al-Hadith, his memorization changed before his death
Ibn Hajar al-Asqalani: Thiqah, eloquent scholar, his memorization changed, and he may have concealed, and once: The group considered him authoritative and al-Shaykhān narrated from him from the narration of the early scholars about him in al-Ihtijaj and from the narration of some of the later scholars about him in al-Mutaaba'at
al-Daraqutni: He described him as concealing in Tabaqat al-Mudallisin
al-Dhahabi: Thiqah
Sufyan al-Thawri: Hafiz, trustworthy, and amazed by his memorization
Muhammad ibn Abd Allah ibn Numayr: Thiqah, reliable
Authors of Tahrir Taqrib al-Tahdhib: Saduq Hasan al-Hadith, his narration does not reach the level of authenticity, and perhaps his description of concealing came from his sending the hadith from some of the Companions, without having heard from them
Yahya ibn Ma'in: Thiqah, he made a mistake in a hadith or two, and once Thiqah, and once: Mixed
Ya'qub ibn Sufyan al-Faswi: Thiqah