The Fitbit Luxe and Fitbit Sense sit at different price points, but they have both received significant discounts. Broadly, the pair have the same feature set, but the Fitbit Sense delivers a more premium experience overall, even if Fitbit ties many features to its Fitbit Premium subscription service.
https://www.notebookcheck.net/The-Fitbit-Luxe-and-Fitbit-Sense-are-available-at-between-33-and-37-discounts.582196.0.html