Agility Robotics Cassie
The Agility Robotics Cassie is a research-only bipedal robot from Tangent, Oregon, USA. Price: $300,000 for the research platform. Key specs: 1.15 m tall, 31 kg, 10 DOF legs, up to 4 m/s speed, and untethered 5K run on a single charge. It was developed as a follow-up to ATRIAS, featuring series elastic actuators, and used by universities for locomotion research, setting a bipedal 100m world record. The platform is discontinued and paved the way for the Digit humanoid.