Robotis · South Korea · Desktop

OP3

Name: Robotis OP3
Brand: Robotis

Education platformConsumer availableShipping now

The reference open-source RoboCup kid-size humanoid, torque-controlled and fully ROS 2 native since its 2025 rebuild.

$11,969

Verified last month

Deliver to

Delivered to United States: from ~$13,585(~€12,103)

About 12.5% on Korea-origin since 24 Jul 2026: USTR's Section 301 forced-labor action applies a combination rate that tops the 2.5% MFN base up to a flat 12.5%. Confirm the live rate before ordering.

Where to buy Get delivered quotes

What is in the crate

6 included|2 not included

Hands

No hands, none offered

Simple limb ends, no articulated hands.

In the crate

Fully assembled robot (~51 cm, 20 DOF) 2 battery packs (11.1V 3300 mAh) Charger + DC power supply Intel NUC i3 onboard PC HD camera Tools, cables, spare parts

You still have to add

A simulation workstation Any consumer app (this is a bench research platform)

Day oneShips with working RoboCup soccer and vision demos (ball tracking, kicking), walking gaits, and full example stacks.

Reality check

It is one of the most genuinely open platforms you can buy, but it is a Linux-and-terminal research bench, not something that does anything useful around a house.

Can you get one, and what will it cost?

A planning estimate with machine, freight, duty, and tax shown separately.

Yes, with work

Yes, with work: importable into United States.

US authorization: We found no public FCC ID for this model. Since 28 July 2026 a foreign-made robot can be sold into the US only under an FCC authorization from before that date, so ask the seller for its FCC ID, or its Supplier's Declaration of Conformity dated before 28 July 2026, before you pay.

No hands, none offered

Spare batteries and other accessories are excluded. Confirm compatibility and pricing with the seller.

Machinebase: $11,969
Freightcourier parcel: $103 - $174
Import duty12.5%: $1,496
Sales tax0%: 0
Customs clearancecarrier fee: $17 - $67
Import estimate to United States: $13,585 - $13,707

Converted from euros at 1.1225 USD per euro (ECB reference rate, 2 October 2026): €12,103 - €12,211 in euros.

Estimate, not a quote. Every rate is shown so the maths is auditable.

Lowest delivered price

~$13,585 - $13,707

Imported yourself from Robotis official (INTL)

Review the import requirements below before ordering.

Go to Robotis official (INTL)

Ask us to check this route Every machine delivered to United States

Import requirements for United StatesConformity, battery shipping, paperwork, and source documents. Review before ordering.

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Where to buy

Catalog checked 2026-10

Individuals and companies can inquire. Confirm the configuration, stock, and delivery with the seller.

Overwhelmingly bought by universities and RoboCup teams.

Price notes: en.robotis.com lists the OP3 at $11,969: the US-spec unit is orderable with a 10-day lead time, while the international (INTL) unit is out of stock; ROBOTIS America's own US store is sold out at $13,764 (all checked 3 Oct 2026). There is no European product listing: ROBOTIS's own international store ships worldwide from Korea, so a European buyer imports rather than buying locally. The 2025 re-release is rebuilt for ROS 2 with XM430 Dynamixel actuators and an Intel NUC i3.

Robotis US store (opens in a new tab)
United States
Not currently orderable at this seller · Checked 2026-10-03
sold out
$13,764
Listed purchase price
Robotis official (INTL) (opens in a new tab)
International seller
OP3[US] orderable with a 10-day lead; the OP3 [INTL] unit is out of stock
$11,969
Listed purchase price

Prices remain in the seller’s listed currency. Tax, freight, options, and rental periods follow each seller’s terms. A seller’s region does not guarantee delivery to your address.

How the OP3 rates

Editorial ratings based on listed specifications and sales availability. They do not measure task performance, autonomy, or reliability.

Class: Education platformA platform for teaching or bench-scale research. Check the supplied software, support, and classroom suitability.
CapabilityHardware specification indicators: 2/5; Baseline: any humanoid+1
Degrees of freedom: 20 DOF+1
Dexterity: no hands, none offered0
Scale: 51 cm tall0
MaturitySales availability indicators: 5/5; How it sells: shipping now+4
Buyer access: individual ordering route+1

Key specifications

Height

51 cm

Width

26 cm

Depth

16 cm

Weight

3.5 kg

Degrees of freedom

Battery

~30 min

Payload

n/a

Top speed

0.24 m/s

Understand before you buy

Reality checks

The real skill requirements: ROS2, Python/C++, simulation, and a serious GPU

Featured in

Compare head to head

NAO 6 vs OP3

The maker's shares

All makers

Robotis: Its shares trade as KOSDAQ: 108490 since 2018-10-26.

ROBOTIS Co., Ltd. (Seoul, maker of Dynamixel actuators and the OP3 and AI Worker robots) trades on KOSDAQ under code 108490. The 26 Oct 2018 listing date comes from Yahoo Finance's first-trade date and is consistent with Korean press reporting a late-October 2018 listing.

Size to scale

Drawn next to a 1.80 m (5 ft 11 in) person. Every robot on the site uses this same reference, so you can trust the comparison at a glance.

OP3: 51 cm / 1 ft 8 in, 3.5 kg

Footprint: 26 cm wide x 16 cm deep

What it does on day onewith zero programming

Ships with working RoboCup soccer and vision demos (ball tracking, kicking), walking gaits, and full example stacks. It is the reference kid-size platform, but expect a Linux terminal, not a phone app.

Best for: University coursework and RoboCup teams that want a fully open, torque-controlled bench platform.

Documented uses

Robotics R&D Teaching / education Learn and tinker

ROBOTIS documents a ROS development platform with actuator control and research-oriented hardware.

This miniature platform has no functional grasping hands. Development and maintenance need technical skills.

Source reviewed 2026-09-09

Assessment from published documentation, not an independent performance test. Applies to the configuration described above.

What it takes to developskills, gear, and SDK access

Linux + ROS 2, C++/Python. Self-contained Intel NUC compute onboard; a GPU workstation is only needed for learning-based research.

SDK access: Fully open source in hardware AND software, alongside Fourier N1 the most open commercial platform here: 20 torque-controlled Dynamixel actuators, OpenCR sub-controller, complete docs. The 2025 re-release is native ROS 2.

Sources and verificationchecked 2026-10

Sources

Price and availability verified 2026-10. Spotted a change? Tell us and we fix the listing.

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Robotis OP3 to 🇺🇸 United States

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