Fig. Cassie

Cassie

n., humanoid.

Agility Robotics, United States, 2017. A pair of bird legs with no torso; set a bipedal 100-metre record and begat Digit. Retired.

Cassie was pure legs: no torso, no arms, just ostrich-inspired locomotion research. It learned to run via reinforcement learning and set a bipedal 100-metre Guinness record before its DNA continued in Digit.

Mass: approx. 33 kg
Record: bipedal 100 m Guinness record