Paprika is ground red peppers usually made with one brand of peppers - sweet, mild, or hot. And, chili powder is usually made with a few different brands of chilies. Often, a mix of sweet, smoked, spicy. The hot chili powder has more of the spicy chilly like the Indian Bedki, while the sweet chili powder has more of the sweet chilly like Indian Kashmiri chilies. And, some blends will emphasize more on the rich red colors. In fact, In India, we do get a large variety of chili powders.