My guess is they are keeping the price the same as the iPhone 4S, at least in the US. Unlocked 4Seses were sold at the same price as unsubsidized locked 4Seses, but they weren't sold until a month after the launch of the locked ones.
I see the unsubsidized locked prices in the "Compare iPhone models" link of the store
http://store.apple.com/us/browse/home/shop_iPhone/family/iPhone/compare
(that link may or may not work, I seem to be having trouble with it now)
16GB
$649.00
32GB
$749.00
64GB
$849.00