If you've been looking to purchase the Galaxy Note 5 in Gold Platinum from a carrier in the United States then T-Mobile is your best bet, Magenta has now started selling the Samsung flagship in this color, it's available in the same 32GB and 64GB flavors like the White Pearl and Black Sapphire models. There's obviously no change in the pricing as well.
There's nothing different about this model aside from the paint job, all of the specs and features remain the same. The Galaxy Note 5 can be purchased in Gold Platinum from T-Mobile for $700 upfront, the 32GB model can also be purchased on Magenta's installment plan for $0 down and equal monthly payments of $29.17 per month for 24 months. It's also available with 64GB storage for $99.99 down and 24 equal monthly payments of $28.34 per month, or for $779.99 at full retail.