Abu Bakr ibn Mujahid: I have not seen a better interpretation of the meanings of the Quran than what is in it, without mentioning the words of those who came before him
Abu Hanifa al-Nu'man: He was informed of some of his interpretations, so he said: God has lied and fabricated
Ismail ibn Ishaq al-Qadi: Al-Mubarrad has not seen anyone like himself
Ibn Hajar al-Asqalani: The criticism of al-Mufajja' is not considered reliable because its chain of narration is obscure
Al-Khatib al-Baghdadi: He considered him trustworthy
Al-Mufajja' al-Basri: He was accused of lying in transmitting language. Ibn Hajar said: This was reported from al-Mufajja' with an obscure chain of narration, and al-Mufajja's criticism is not considered reliable
Jalal al-Din al-Suyuti: He was eloquent, well-spoken, trustworthy in narrations, a scholar, possessor of anecdotes and wit, and he was handsome, especially in his youth
Niftawayh the Grammarian: I have not seen anyone who memorized narrations with their chains of narration better than him