There are 70 milligrams of caffeine in a tall Starbucks Chai tea latte. The caffeine content increases to 95 milligrams in the grande size.
The tall Chai tea latte has 190 calories and 3.5 grams of fat. This serving size also contains 34 grams of carbohydrates and 32 grams of sugar.
The Chai tea latte is made from a blend of spiced teas and steamed milk. As of 2015, this drink is offered in four sizes, including short, tall, grande and venti.
Chai tea originated in India where black tea is made from a variety of spices like pepper, cinnamon and cardamom. Starbucks uses 2 percent milk when creating this drink.