In one of the 10,000 Drafts, the Gods were a coherent and very-much-real race of powerful beings, similar to the Firmament of the 10,000 Dawns, the Time Lords of the Totality, or the Elders or Infinite of other Drafts.
Within their unfinished universe, the Gods were led by Zeus and they were opposed by the heroic dimensional traveller Miranda. (PROSE: The Forgotten Heroines of 10,000 Dawns Big Takeover!)
Behind the scenes
As suggested by the metafictional nature of The Forgotten Heroines of 10,000 Dawns, it was indeed planned at one point in development by James Wylder that variations on the Greco-Roman Gods play the role of sci-fi god-figures in what would become 10,000 Dawns.