Ariane vs Open arm-HT
IFREMER (French Research Institute for Exploitation of the Sea) vs High Torque Technology — specs, price, and data-backed comparison.

Ariane
IFREMER (French Research Institute for Exploitation of the Sea)
Not announced

Open arm-HT
High Torque Technology
Not announced
QUICK TAKE
- Open arm-HT offers the faster top speed (12.96 km/h vs 3.7 km/h).
- Open arm-HT offers the lighter build (6 kg vs 1,800 kg).
SPECIFICATIONS COMPARED
| Ariane | Open arm-HT | |
|---|---|---|
| Company | IFREMER (French Research Institute for Exploitation of the Sea) | High Torque Technology |
| Category | Robotic-Arms | Collaborative-Robot |
| Price: | Not announced | Not announced |
| Released: | 2017 | — |
| Weight | 1,800 kg | 6 kg |
| Payload | — | 5 kg |
| Reach | — | 689 mm |
| Degrees of Freedom | 7 | 7 |
| Speed | 3.7 km/h | 12.96 km/h |
| Battery Life | 600 min | — |
| Connectivity | — | CAN FD |
| Software / AI | — | Official openarm_HT Python SDK: left-arm, right-arm and synchronised dual-arm control; position, velocity, torque, position-velocity and MIT five-parameter control modes; Pinocchio forward kinematics, inverse kinematics and Jacobians; gravity, friction, Coriolis, mass-matrix and full dynamics compensation; quintic and septic polynomial interpolation with Cartesian trajectories; QP inverse kinematics under joint position, velocity and acceleration constraints; single- and dual-arm trajectory recording, history selection and MIT playback; keyboard Cartesian control and Meta Quest VR DLS/QP teleoperation; YAML joint-limit and URDF configuration. |
Buying guides and prices
FREQUENTLY ASKED QUESTIONS
What is the difference between the Ariane and the Open arm-HT?
Ariane is made by IFREMER (French Research Institute for Exploitation of the Sea), while Open arm-HT is made by High Torque Technology. Ariane is a robotic-arms, while Open arm-HT is a collaborative-robot.
Which is faster, the Ariane or the Open arm-HT?
The Open arm-HT has the higher top speed at 12.96 km/h, compared to 3.7 km/h for the Ariane.
