Rainbow Robotics · research humanoid
RB-Y1
A wheeled dual-arm humanoid with a torso and head, built for AI developers by the makers of the HUBO bipeds.
- Price
- —No maker price; a third-party listing gives $120,000.
- Height
- —Not published
- Weight
- —Not published
- Payload
- —Not published
- Speed
- —Not published
- Battery
- —Not published
Official maker page, not an affiliate link. Checked 2026-10-10.
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Why it matters
Main humanoid-type platform of the KAIST HUBO spin-off after Samsung took control.
Real-world use
Used by AI research labs; Rainbow joined Samsung's AI humanoid work from February 2025.
Maker
Rainbow RoboticsCompany · founded 2011 · Sejong, South KoreaPublic company (KOSDAQ 277810, listed Feb 2021); Samsung Electronics invested Jan 2023 and made it a subsidiary in Dec 2024.
What it has been shown doing
We checked public videos and press for RB-Y1 and found no clear demo of the skills we track yet.
Public attention
How much public attention RB-Y1 gets, from open data.
- No Wikipedia article of its own yet
- 3 news stories from reputable press listed on this page
Measures how much people read and write about a robot, not how good it is. Measured 2026-10-13; same method for every robot. How it is measured
What’s inside
The parts the company has talked about publicly.
- Movement
- Wheeled base
- Actuators & motors
- 7-DoF arms (3 kg each, +/-0.05 mm repeatability, 600 mm reach) on a 6-DoF torso/leg; 20 DoF (A) or 26 DoF (M) total.
- Hands
- Optional grippers.
- Sensors & vision
- Built-in force/torque sensors in both arms (V1.2); vision-sensor bracket (cameras not included); SDK supports IMU, gripper and LiDAR.
- Compute
- Dual-PC: Robot PC for real-time motion and safety, GPU-equipped User PC for ROS 2 and apps.
- Battery & power
- 50 V; 25 Ah / 1,250 Wh (A) or 50 Ah / 2,500 Wh (M).
- Materials & build
- Aluminium exterior.
- AI & software
- Open RB-Y1 SDK on GitHub, ROS 2, URDF/MJCF/USD models; teleoperation via master arms, joysticks or VR.
- Other details
- Wheeled base (differential or Mecanum) at 1.5 m/s; 1.4 m tall; 131-170 kg.
Named suppliers:ROS (Open Robotics)
Lineage
Every Rainbow Robotics humanoid in order.
Rainbow Robotics also makes 2 machines. See every Rainbow Robotics robot
Watch RB-Y1
Made, sold and where
Unit counts are usually company figures; analysts often disagree.
- Price
- Not publishedNo maker price; a third-party listing gives $120,000.
- How to get one
- Maker's website
- Where it is sold or used
- South Korea, US (Chicago support office), worldwide research labs.
- Customers and pilots
- MIT, UC Berkeley and Georgia Tech (Inspenet, 2025).
News
The latest 3, newest first. Summaries are ours; tap through for the original.
- Rainbow shows RB-Y1 at ICRA 2025 Atlanta
Mecanum-wheeled research humanoid with master-arm and VR teleoperation.
Inspenet - Rainbow Robotics becomes a Samsung Electronics subsidiary
Samsung, an investor since January 2023, took control in December 2024.
Rainbow Robotics - Rainbow Robotics launches RB-Y1
Mobile dual-arm robot aimed at AI research labs.
Rainbow Robotics
Side by side with its peers
Picked by the same rules for every humanoid: another maker’s robot that moves the same way, is at the same stage and does at least one of the same main jobs, first shown within two years. Closer size and price rank higher. Few robots match closely, so these are the nearest matches. How we choose
| Measure | RB-Y1Rainbow Robotics |  Reachy 2Pollen Robotics (Hugging Face)Same job: research · Both on wheels · Both on sale or in pilots |
|---|---|---|
| First shown | 2024-08 | 2024 |
| Status | Commercial | Commercial |
| Height | — | — |
| Weight | — | — |
| Joints | — | — |
| Speed | — | — |
| Payload | — | — |
| Battery | — | — |
| Price | — | $70,000 |
Sources
Figures come from public sources. Every link below backs something on this page.
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