Abu Ahmad bin Adi Al-Jarjani: He did not narrate more than a dozen hadiths
Abu Ja'far Al-'Uqayli: He was a Murji'ah
Abu Hatim bin Hibban Al-Busti: He was a man of argumentation, outwardly pious, but hadith was not his craft. He narrated one hundred and thirty hadiths, but his narrations contain errors in one hundred and twenty of them, either by inverting the chain of narrators or altering the text unknowingly. Since his errors outweigh his accuracy, it is not permissible to rely on him in narrations.
Abu Hafs Umar bin Shaheen: He used to fabricate hadiths, but scholars praised him in jurisprudence. Also, there were inconsistencies in his hadiths, and he was not known for narrating many.
Abu Nu'aym Al-Asbahani: He delved deep into issues. Once he said: He believed in the creation of the Quran and was reprimanded for his inappropriate statement, not just once, but many times. He made many mistakes and held many misconceptions.
Ahmad bin Hanbal: His hadith is weak, his opinion is weak, and once he said: He lies.
Ahmad bin Shu'ayb An-Nasa'i: He is not strong in hadith.
Ibrahim bin Ya'qub Al-Jawzajani: One cannot be satisfied with his hadith nor his opinion.
Ibn Hajar Al-'Asqalani: Famous jurist.
Ad-Daraqutni: Weak, and once he said: It is not permissible to listen to him from Anas nor from any of the companions.
Adh-Dhahabi: The Imam, the jurist of Iraq.
An-Nadr bin Shumayl: Abandoned in hadith, not trustworthy.
Hammad bin Salamah Al-Basri: He was a devil who confronted the traditions of the Messenger of Allah, rejecting them with his own opinion.
Sufyan Ath-Thawri: The most knowledgeable person on earth, and once: Not trustworthy nor reliable, and once: Nothing more ominous was born in Islam than him, and once: He was reprimanded for disbelief twice, and once: I never asked Abu Hanifa a question without him meeting me later and asking me about it.
Shudad bin Hakeem: I have not seen anyone more knowledgeable than Abu Hanifa.
Sharik bin 'Abdullah An-Nakha'i: It would be better to have a tavern owner selling wine in every quarter of Kufa than to have someone who follows the opinion of Abu Hanifa.
Shu'bah bin Al-Hajjaj: By Allah, he has good understanding and good memorization.
Salih bin Muhammad Juzrah: Trustworthy.
Abd Ar-Rahman bin Mahdi: The last thing a man learns is to consider the opinion of Abu Hanifa, saying: He is incapable of knowledge.
Abdullah bin Yazid Al-Muqri': He was a Murji'ah.
Ali bin Al-Madini: Trustworthy, there is no problem with him.
Amr bin Ali Al-Fallas: He is not a good memorizer, his hadith is inconsistent and erroneous.
Malik bin Anas: The chronic disease.
Muhammad bin Idris Ash-Shafi'i: People in jurisprudence are dependent on Abu Hanifa, and once: Abu Hanifa is one of those whom Allah has blessed with jurisprudence.
Muhammad bin Isma'il Al-Bukhari: He was a Murji'ah, they remained silent about him, his opinion, and his hadith.
Muhammad bin Sa'd, the scribe of Al-Waqidi: Weak in hadith.
Muhammad bin Abdullah Al-Makhrami: The most knowledgeable of people, and once: I have not seen anyone more pious than Abu Hanifa, and once: Poor in hadith, and once: I abandoned him.
Maki bin Ibrahim At-Tamimi: The most knowledgeable of his time.
Yahya bin Sa'id Al-Qattan: We have not heard anything better than the opinion of Abu Hanifa, and we have adopted most of his opinions.
Yahya bin Ma'in: Trustworthy, he does not narrate hadith except what he memorizes, and he does not narrate what he does not memorize, and once: Trustworthy in hadith, and once: There is no problem with him, and once: One of the truthful people, and he was not accused of lying, and we have not heard anyone weakening him, and once: He would rather die than lie, and once: His hadith should not be written down, and once: He is not a hadith scholar.
Yazid bin Harun Al-Aili: I met people and I have not seen anyone more intelligent, better, nor more pious than Abu Hanifa.