Boston Dynamics Atlas Specifications

Last updated: March 2026

Physical
Height	1.8 m (5'11")
Reach	2.2 m (7.2 ft)
Weight	~89 kg (196 lbs) — 2024 electric version
Degrees of Freedom (DOF)	56 total (full rotational joints)
Payload Capacity	~49.8 kg (110 lbs) lift capacity
Form Factor	Bipedal humanoid with 4-fingered hands

Power & Battery
Battery Type	Lithium-ion (fully electric)
Battery Capacity	Not officially disclosed
Runtime	~4 hours (standard battery life, 2024 electric version)
Battery Swap	Autonomous battery-swap capability
Power Draw	Estimated 500–1000W average

Mobility
Max Walking Speed	5.4 km/h (3.4 mph)
Locomotion	Bipedal walking with dynamic balance
Terrain Capability	Uneven terrain, stairs, obstacles; demonstrated acrobatics (backflips)

Sensing & Perception
Cameras	Stereo cameras (depth-based perception)
LiDAR	LiDAR (full 3D environment mapping)
IMU	Inertial measurement unit for balance and dynamics
Force/Torque Sensors	Integrated in joints and end-effectors for manipulation feedback

AI & Software
Onboard Compute	Custom perception and control stack
AI/ML Framework	Vision-based navigation; reinforcement learning for manipulation
Training Infrastructure	Simulation-based; real-world data collection from deployments
Autonomy Level	Semi-autonomous; high-level task execution with environment perception

Actuators
Actuator Type	Custom electric actuators (2024 electric redesign)
Previously	Hydraulic (pre-2024 versions)
Joint Control	Closed-loop torque and position feedback at all major joints

How Boston Dynamics Atlas Compares

Spec	BD Atlas	Tesla Optimus	Figure AI
Height	150 cm	173 cm	~170 cm
Weight	~89 kg	~57 kg	~60 kg
Speed	5.4 km/h	8 km/h	~4.8 km/h
Runtime	~1–2 hrs	~8 hrs	~5 hrs
DOF	28+	50+	40+
Payload	~25 kg	20 kg	20 kg
Target Price	~$150k+	~$20–30k	Not disclosed

Please note: Specifications change frequently as manufacturers release new versions and updates. Data shown reflects publicly available information at time of writing and may not represent the latest version. Comparison data is approximate and based on publicly available sources — different generations or configurations of the same robot may have different specs. Always check each manufacturer's official site for current specifications.