OpenMANIPULATOR-X (RM-X52-TNM) vs SO-101 (SO-ARM101)
Cost, parts and difficulty side by side.
| OpenMANIPULATOR-X (RM-X52-TNM) | SO-101 (SO-ARM101) | |
|---|---|---|
| Cost | $1,710 to $2,160 | $230 to $330 |
| Difficulty | intermediate | beginner |
| Parts | 43 | 8 |
| 3D printing | no | yes |
| Kits available | 3 | 5 |
| Made by | ROBOTIS | TheRobotStudio and Hugging Face |
| Full list | OpenMANIPULATOR-X (RM-X52-TNM) parts list | SO-101 (SO-ARM101) parts list |
OpenMANIPULATOR-X (RM-X52-TNM)
Five-servo DYNAMIXEL desktop arm with a parallel gripper and full ROS 2 support, often paired with TurtleBot3 for teaching.
SO-101 (SO-ARM101)
Low-cost 3D printed 6-DOF arm pair (leader plus follower) for teleoperation and imitation learning with LeRobot.
The short answer
SO-101 costs less to start: about $230 against $1,710 in parts. SO-101 has the shorter parts list (8 lines against 43).
Motors and servos
OpenMANIPULATOR-X
- 5 x DYNAMIXEL XM430-W350-T
SO-101
- 7 x Feetech STS3215 7.4V, 1/345 gear (C001)
- 2 x Feetech STS3215 7.4V, 1/191 gear (C044)
- 3 x Feetech STS3215 7.4V, 1/147 gear (C046)
- 2 x 5V power supply, 5.5x2.1 mm barrel