Hero has AsKh, the effective starting stack is hero's stack: 507.5.

Hand
Small blind $2.5
Big blind $5
Preflop
Hero raises to $15
Cut-Off calls $15
Dealer raises to $55
Small Blind folds
Big Blind folds
Hero raises to $125
Cut-Off folds
Dealer raises to $675.13
Hero ? (382.5 to call)

Snowie suggesting folding AKo here, but if you give your opponent's shoving range as just AK, Qs+, then your equity against that range is 38.82%, and the price to call we only need 37.68%. Why would snowie suggest a fold in this spot?