Yeap, pricing details on contract are out. The 16GB 5s will cost you $538 on Lite while the 32GB one will burn a hole worth $668 in your wallet.
The 5c isn’t much better. $318 on Lite plan for the 16GB version. There’s a 32GB version going for $538 but it won’t be available at launch.
For full pricing details, check out Singtel’s website here