MG400 vs LeRobot SO-ARM101: Which Is Better in 2026?
Independent spec-by-spec comparison of the DOBOT MG400 Desktop Robotic Arm and Hiwonder LeRobot SO-ARM101 Open-Source Robotic Arm. Real pricing, verified specs, no affiliate bias.
DOBOT
Top3DShop (verified) · Updated 2026-07
$2,890 at Top3DShop. US education resellers such as Afinia list the same arm nearer $3,780, so shop the channel — the spread on this model is unusually wide.
Payload
0.75 kg
Reach
440 mm
Axes
4
Repeatability
0.05 mm
Hiwonder
Hiwonder official store (verified) · Updated 2026-07
$269.99 is Hiwonder's listed price. The SO-ARM101 is an open-source design sold by several vendors — DIY kits start near $199 and assembled leader-follower pairs with cameras run roughly $200–$400 depending on vendor and kit tier. The DIY kit excludes cameras; Standard and Advanced kits include them. Compare kit contents, not just headline price.
Axes
6
MG400 is 970% more expensive than LeRobot SO-ARM101
Price Comparison
MG400
$2,890
Top3DShop (verified)
LeRobot SO-ARM101
$269.99
Hiwonder official store (verified)
✓ Lower priceThe MG400 costs 970% more than the LeRobot SO-ARM101.
Winner by Category
Full Spec Comparison
| Spec | MG400 | LeRobot SO-ARM101 |
|---|---|---|
| Payload | 0.75 kg | — |
| Reach | 440 mm | — |
| Axes | 4 | 6 |
| Repeatability | 0.05 mm | — |
Our Verdict
On price, the LeRobot SO-ARM101 comes in 970% cheaper than the MG400 — a meaningful gap if budget is the primary constraint.
This is a close match.
Choose the MG400 for higher payload applications.
Choose the LeRobot SO-ARM101 for budget-conscious deployments.
Best For
MG400
- ✓desktop automation
- ✓education
- ✓light manufacturing
- ✓testing
LeRobot SO-ARM101
- ✓embodied AI research
- ✓imitation learning
- ✓STEM education
- ✓LeRobot development
- ✓teleoperation experiments
Related Comparisons
Other comparisons involving MG400 or LeRobot SO-ARM101.
MG400 vs LeRobot SO-ARM101 — FAQ
Is the MG400 or the LeRobot SO-ARM101 cheaper?
The LeRobot SO-ARM101 is cheaper at $269.99, versus $2,890 for the MG400 — a 970% difference.
Which is better, the MG400 or the LeRobot SO-ARM101?
The MG400 wins on more categories overall (price, payload, precision, speed, and value). Choose the LeRobot SO-ARM101 if its specific strengths match your use case — see our verdict above.
Interested in this robot?
We source direct from China with Foshan-based quality inspection. Get a real quote with shipping costs included.