Watch a humanoid demo and count how much of it depends on the hand. Usually none. The machine walks, turns, waves, and picks up a box with a parallel gripper bolted to the wrist.
Why grippers keep winning
- They are cheap. A good parallel gripper costs less than one finger of a dexterous hand.
- They are reliable. Two moving parts versus eleven actuated joints with tactile sensing.
- They are fast to integrate. Grasp planning for a parallel jaw is a solved, boring problem.
- They fail safe. A gripper that loses power holds. A hand that loses power drops things.
Where dexterity actually pays
Three cases, and they are narrow: manipulating tools designed for a human grip, in-hand reorientation where there is no room to regrasp, and tasks where the object varies enough that no fixed jaw geometry works.
If your task list does not contain one of those three, the hand is a specification you are paying for and not using.
The maintenance bill nobody quotes
Hands are the highest-wear assembly on a humanoid. Tendons stretch, tactile pads delaminate, and the calibration drifts after a few hundred thousand grasps. Budget for a hand rebuild roughly every 18 months of single-shift operation — or specify a gripper and budget for almost nothing.
Dexterity is a capability, not a requirement. Buy it when the task asks for it, not because the brochure looked better.
Our default
We ship humanoids with a parallel gripper unless a customer specifies otherwise, and we keep hands in stock for the customers who do. If you are unsure, start with the gripper and upgrade later — the wrist interface is the same.