X Square's WALL-B robot sorts 10,000 parcels in 5 hours at 1.88s each
rohanpaul_ai · x · 2026-08-22
X Square Robot's embodied AI model WALL-B sorted 10,000 parcels in 5 hours 14 minutes, sustaining 1,911 parcels/hour (1.88s per parcel), beating its previous public run of 1,816/hour at 98%+ accuracy. For context, Figure has reported a 2.88-second parcel cycle time.
The task demands a stable closed loop: the arm identifies orientation, flips each parcel label-side up, slides it onto the conveyor, and routes odd items like soft toys to a separate lane — combining 3D perception, grasp reasoning, collision-aware motion planning, force control, and online correction. Endurance is equally hard, as perception errors, calibration drift, and grasp failures compound over thousands of picks.
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