Contrast with NT Gospels
The NT Gospels are mainly narrative, what Jesus said & did in public among the Jews.
The NT Gospels continue the emphases of the OT God the Creator, acting in history, bringing the predictions of his prophets to fulfillment, to make his Messiah a light for the Gentiles, to rescue people from their sins.
The NT Gospels look like the work of the God of the Bible; the Gnostic Gospels look like the work of someone else.