
OP3 Humanoid
ROBOTIS OP3 is a small bipedal humanoid research and education platform with 20 DOF and an open software stack used in robotics competitions and labs.
- Degrees of freedom
- 20
- Height · h
- 46 cm
- Mass · m
- 3.5 kg
- Payload
- Not listed
- Speed · v
- Not listed
- Form factor
- humanoid
- Family
- Commercial General-Purpose Humanoids
Get to know
the platform.
OP3 is a ~46 cm, ~3.5 kg bipedal humanoid from ROBOTIS designed for education and robotics research, including RoboCup-style development. It uses 20 DYNAMIXEL actuators and supports ROS on Ubuntu via an onboard Intel NUC, with Wi‑Fi/Bluetooth/Ethernet connectivity and a USB camera for vision-based projects.
A few more introductions.

T-HR3
Toyota T-HR3 is a prototype humanoid robot built for whole-body teleoperation and HRI research.
- DoF
- 32
- Height
- 154 cm
- Weight
- 75 kg
- Payload
- 2 kg

BellaBot
BellaBot is a wheeled indoor delivery robot from Pudu Robotics built for tray-based item transport in venues like restaurants.
- DoF
- N/A
- Height
- 129 cm
- Weight
- 60 kg
- Payload
- 40 kg

TIAGo
TIAGo by PAL Robotics is a wheeled mobile manipulator for research and education, combining a navigation base with a single arm and sensor suite.
- DoF
- 12
- Height
- 105 cm
- Weight
- 35 kg
- Payload
- 6 kg
Big ideas start with
a conversation.
Thinking about putting OP3 Humanoid to work? Tell us what you have in mind. We can help connect the hardware, data, and people to take the next step.