Unitree's H1 humanoid pulls off world's first all-electric backflip

Whenever a humanoid robot pulls off a backflip, you naturally picture Boston Dynamics' Atlas flexing its massive, whirring hydraulic actuators. They deliver raw power, but they come with heavy plumbing, noise, and the constant threat of fluid leaks.

Unitree just flipped that script. The Chinese robotics company showed off its bipedal humanoid, the H1, executing a clean standing backflip. Unitree claims it is the world's first full-sized humanoid to pull off the stunt using purely electric drive, ditching hydraulics entirely.

Pure electric muscle

Launching a full-sized humanoid into the air and landing it upright without hydraulic thrust requires absurd levels of instant joint torque.

The H1 pulls this off using Unitree's in-house M107 electric joint motors, which churn out up to 360 Nm of peak torque. If that motor name sounds familiar, it is the same unit powering the company's B2 quadruped robot dog.

Each leg features five degrees of freedom: three at the hip, one at the knee, and one at the ankle. All the wiring is routed internally through the limbs, keeping the frame clean so nothing snags during violent aerial rotations.

Instead of having engineers hand-craft every trajectory, Unitree trained the maneuver using reinforcement learning inside physics simulations. The robot stuck the landing almost flawlessly, saving itself with just a tiny, natural-looking corrective hop.

From speed records to a $90k price tag

This backflip follows another milestone from earlier this month, when the H1 set a speed record for humanoid robots at 3.3 meters per second. Unitree thinks commercial versions might eventually hit 5 meters per second.

The hardware package measures 1.8 meters tall and weighs 47 kg, capable of hauling up to 30 kg of payload. Its head houses a 3D LiDAR puck and an Intel RealSense depth camera, and the robot runs on a swappable 864-Wh battery pack.

For now, the arms terminate in simple nubs rather than dexterous hands like Tesla's Optimus or Figure 01, though human-like hands are reportedly in the works. The H1 carries an estimated price tag around $90,000, though reports suggest commercial availability could take up to a decade.

Why it matters

Nobody buys a humanoid robot to entertain party guests with backflips. In an industrial or commercial setting, an airborne somersault is functionally useless.

Yet we believe this test is one of the most convincing proof-of-concept demonstrations for all-electric humanoid hardware to date. Flipping backwards stresses instantaneous torque, frame rigidity, and extreme shock absorption during landing. Proving that off-the-shelf electric motors can survive that abuse without snapping or burning out suggests that messy, expensive hydraulic architectures are no longer mandatory for high-dynamic robotics.

Unitree's smart move here is hardware synergy. By repurposing high-torque motors originally refined on its quadrupeds, the company is cutting supply chain costs while rivals burn capital building proprietary drivetrains from scratch. The obvious catch is practicality: until Unitree puts functional hands on those arms, the H1 remains a world-class athlete that still cannot hold a screwdriver.