Abu Zar'ah al-Razi: He is fine
Ibn Hajar al-'Asqalani: Truthful, he makes mistakes
Ibn 'Abd al-Barr al-Andalusi: Trustworthy, famous
al-Daraqutni: Weak
al-Dhahabi: Qutaybah spoke about him
Qutaybah bin Sa'id: He spoke about him
Authors of Tahrir Taqrib al-Tahdhib: Weak, he is considered
Yahya bin Ma'in: Suwaylih