ROBOTIS OP3
Miniature 20-DoF open-source ROS humanoid from ROBOTIS (successor to DARWIN-OP). Released 2017.
Official page on emanual.robotis.com45
Robo2u Score
51 cm
Height
20
Degrees of freedom
30 min
Runtime
$13.8k
Price
Robo2u Score (0 to 100) = 35% maturity + 30% capability (DoF and payload, percentile vs the field) + 15% recency + 10% runtime + 10% availability. A spec the maker doesn't publish scores below the median. Computed from the columns shown. Scored against other humanoid robots.
Specifications
| Maker | ROBOTIS · company profile, $2.7B market cap |
|---|---|
| Form factor | Humanoid |
| Category | Research |
| Origin |  South Korea |
| Status | Production |
| Released | 2017 |
| Height | 51 cm |
| Weight | 3.5 kg |
| Degrees of freedom | 20 |
| Top speed | 0.24 m/s (0.9 km/h) |
| Runtime | 30 min |
| Price | $13.8k (list or reported, USD) |
| AI / compute | Intel i3 NUC (ROS/ROS 2) |
Not yet published by the maker or not yet verified: payload.
Sources
Added to the database 2026-07-02. Dataset updated 2026-09-24. Also available as JSON at /api/robots.
