Oh, I was afraid it would forever go unanswered.
https://en.dragon-ball-official.com/news/01_1283.html
In this interview, around the fifth minute mark, Toyotaro gets asked how strong Granolah and Gas were before their wish. He says stronger than Ginyu but weaker than Frieza (first form) and about on par with unfused Abo and Kado (those guys from the Son Goku and friends OVA). In short, they were complete fodder. And Gas thought he didn't need the wish
