Compare humanoids
Pick two to four robots. Every pair also has its own permanent page, 1,326 in total, generated from the same records.
01
Pick robots
52 humanoidsNo height, mass, DOF or payload figure is sourced for both ToddlerBot and Optimus yet. Openness score: ToddlerBot 100, Optimus 0 (of 100); only ToddlerBot publishes CAD, BOM, SIM, FW, SW and POL. Availability: ToddlerBot diy build, Optimus not for sale.
| Field | Stanford UniversityStanford ToddlerBot | TeslaTesla Optimus | Δ first − second |
|---|---|---|---|
| Identity | |||
| Maker (differs) | Stanford University | Tesla | |
| Class | Humanoid | Humanoid | |
| Status (differs) | Research | Announced | |
| Availability (differs) | DIY build | Not for sale | |
| Country | United States | United States | |
| Year (differs) | 2025 | 2022 | |
| Specifications | |||
| Height | 56cm | —unsourced | |
| Mass | 3.4kg | —unsourced | |
| Degrees of freedom | 30 | —unsourced | |
| Payload | 1.48kg | —unsourced | |
| Top speed | —unsourced | —unsourced | |
| Runtime | —unsourced | —unsourced | |
| Battery capacity | —unsourced | —unsourced | |
| Price | —unsourced | Not for sale | |
| Actuators | servo actuators; 7 DOF/arm, 6 DOF/leg, 2 neck, 2 waist | —unsourced | |
| Compute | NVIDIA Jetson Orin NX 16GB | —unsourced | |
| Sensors | —unsourced | —unsourced | |
| Openness and provenance | |||
| Openness bar | |||
| Openness score (differs) | 100/ 100 | 0/ 100 | +100 |
| CAD (25) (differs) | public | not public | |
| Bill of materials (20) (differs) | public | not public | |
| Sim model (URDF/MJCF) (20) (differs) | public | not public | |
| Firmware (15) (differs) | public | not public | |
| Software (10) (differs) | public | not public | |
| Trained policies (10) (differs) | public | not public | |
| Verification level (differs) | L2 | L0 | |
| Sources | 3 | 3 | |
| Last checked (differs) | 2026-09-25 | 2026-09-24 | |
03
Best-documented pairs
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