Are cheap arms accurate?

Servo arms are fine for learning but not precise. Stepper and harmonic-drive arms repeat better.

The cheapest robot arms

Sorted by the maker's published price.

Updated November 2, 2026

About these prices

Prices come from the Bots n' Beans catalog, checked against each maker's published price. Each product page lists its source. Prices change, so confirm with the seller before you buy.

Cheapest first

AR4 MK5 CAD models (SolidWorks & STEP files)
Annin Robotics · USA
$99 · Buy now
Every AR4 MK5 part in SolidWorks and STEP, plus the full robot assembly. $99 from Annin Robotics.
xArm 1S
Hiwonder · China
From $199.99 · Buy now
A low-cost bus-servo arm for learning to program.
ArmPi FPV
Hiwonder · China
From $299.99 · Buy now
Raspberry Pi vision arm with a camera on the gripper.
DOFBOT
Yahboom · China
From $329 · Buy now
A Raspberry Pi vision arm that runs ROS 2.
myPalletizer 260 Pi
Elephant Robotics · China
$649 · Buy now
A 4-axis palletizing arm small enough for a desk.
myCobot 280 Pi
Elephant Robotics · China
$799 · Buy now
Elephant’s small 6-axis arm with a Raspberry Pi built into the base.
mechArm 270 Pi
Elephant Robotics · China
$799 · Buy now
Elephant’s most compact 6-axis arm.
DexArm
Rotrics · China
From $799 · Buy now
A 4-axis desktop arm sold in kits with add-on modules.
ultraArm P340
Elephant Robotics · China
From $999 · Buy now
A 4-axis metal desktop arm for drawing, laser engraving and pick-and-place.
AR4 MK5 combo kit
Annin Robotics · USA
From $1,189 · Buy now
The complete AR4 kit. Aluminum, hardware, and the primary electrical parts.
myArm 300 Pi
Elephant Robotics · China
$1,499 · Buy now
A portable 7-axis desktop arm.
Mirobot
WLKATA · China
$1,790 · Buy now
A 6-axis mini arm made for STEM classrooms.
PiPER
AgileX Robotics · China
$1,999 · Buy now
A light 6-joint arm for research and teleoperation.
myCobot 320 Pi
Elephant Robotics · China
$2,499 · Buy now
The bigger myCobot, with a 1 kg payload.
Lite 6
UFACTORY · China
From $2,999 · Buy now
UFACTORY’s small 6-axis desktop cobot.