You are best off calling the dealer for a quote on the key. There are some shops that can cut and program a key as well so here is a link to get an estimate from them.
https://repairpal.com/estimator
Alex
RepairPal Certified shops can diagnose and repair your 2001 Oldsmobile Intrigue. They provide transparent pricing with a minimum 12-month or 12,000-mile warranty on repairs and services.