The origin and core focus difference
Yoga originates from ancient spiritual and physical practice with an emphasis on breath, mindfulness, and flexibility; Pilates was developed more recently, specifically focused on core strength, control, and precise movement patterns.
Where Pilates particularly excels
Core strength and stability, postural improvement, and controlled, precise movement — Pilates tends to be more systematically focused on these specific outcomes than the broader, more varied practice of yoga.
Where yoga particularly excels
Flexibility, mind-body connection, stress reduction through breathwork, and a broader philosophical and mindfulness component that Pilates generally doesn't include.
Choosing based on actual goals
Someone specifically wanting core strength and postural correction might lean toward Pilates; someone seeking flexibility, stress relief, and a mind-body practice might lean toward yoga — many people benefit from incorporating both.