
Commercial robotHumanoid
Boston Dynamics Atlas (Electric Atlas, 2025)
Official specs 27 · Research specs 1
Holiday Robotics Friday, a humanoid robot.
Data & sources
Key specifications

| Height | 1.76 m |
|---|---|
| Weight | 125 kg |
| Arm mass | 5.5 kg |
| Hand mass | under 600 g |
| Total degrees of freedom | 64 DoF |
|---|---|
| Back drivability | Full-joint back-drivability |
| Runtime | 4 h |
|---|---|
| Hot swappable batteries | Yes |
| General payload | 20 kg |
|---|---|
| Hand dof | 20 DoF with integrated tactile sensors |
| Maximum speed | 1.9 m/s |
|---|
| Holiday sim engine | High-fidelity physics and policy generation engine |
|---|---|
| Gpu accelerated simulation | GPU-accelerated from contact dynamics to rendering |
| Physical effects modeled | Deformation, compliance, and friction |
| Data generation scale | Large-scale data generation |
| Robotics model training | Training robotics models with unprecedented accuracy and speed |
| Holiday world simulator | Proprietary World Model-based simulator |
| World model future prediction | Neural networks predict the future from physical understanding |
| Data driven physics learning | Data-driven physics learning |
| Robot learning environment | Safe and consistent environment for robot learning |
| Virtual world construction | Precise virtual world construction with diverse sensor inputs |
01 · Official source
02 · Official source