Is this phone only used eSIM? I want to buy it without carrier

I want to buy it without carrier

Check here ⤵️

iPhone - Buying iPhone - Apple

Will my new iPhone be unlocked?

Every iPhone you buy from us online or in an Apple Store is unlocked, with the exception of a few carrier financing options. With an unlocked iPhone, you’re free to go with the carrier of your choice.

iPhone 14 Pro -iPhone 14 Pro Max

iPhone 14 Pro and 14 Pro Max - Technical Specifications - Apple (UK)

it seems iphones 14 sold in usa don't have a physical sim slot

but one can add a carrier as a eSim option if the carrier support eSim

esim don't mean that the phone is locked to a carrier