The RB-Y1 is a dual-arm mobile manipulator from Rainbow Robotics — the South Korean company founded in 2011 by KAIST's Professor Jun-Ho Oh (of HUBO fame) and now a publicly listed firm (KRX: 277810). The RB-Y1 reflects Rainbow Robotics' evolution from the HUBO research humanoids toward commercial robots: it is a humanoid-shaped dual-arm robot mounted on a wheeled high-speed mobile base, explicitly designed for the generative-AI era and built to integrate with advanced AI systems for industrial work.
Price Range
The RB-Y1 is positioned as a commercial robot for industrial automation. Rainbow Robotics sells via direct/quote-based channels; a robotics aggregator lists an estimate around $120,000, which should be treated as indicative.
| Basis | Figure |
|---|---|
| Aggregator estimate | ~$120,000 (indicative only) |
| Confirmed list price | Not publicly published; quote-based |
| Availability | In production |
Full Specifications
| Spec | Value (reported) |
|---|---|
| Type | Dual-arm mobile manipulator (humanoid-shaped upper body on a wheeled base) |
| Height | ~1.4–1.6 m |
| Weight | ~131 kg |
| Degrees of freedom | ~24 — 7 per arm, plus a 6-DOF "leg"/lifting column |
| Payload | ~3 kg per arm (~6 kg total for dual-arm operations) |
| Top speed | ~1.5 m/s (5.4 km/h) |
| Runtime | ~3 hours per charge |
| Base | Wheeled high-speed mobile platform |
| AI | Designed as an AI-ready platform for the generative-AI era; integrates with advanced AI solutions |
Model Breakdown
The RB-Y1 is offered as a single dual-arm mobile-manipulator platform. It is distinct from Rainbow Robotics' cobot (collaborative robot arm) products and from the HUBO research humanoids — it represents the company's push toward AI-integrated industrial mobile manipulation. Rainbow Robotics has also been developing newer full humanoid platforms.
Buyer's Guide: What to Know
The RB-Y1 combines manipulation with mobility. A dual-arm humanoid upper body on a fast wheeled base is built to overcome the limits of both fixed industrial arms and single-arm cobots.
It is an AI-integration platform. Rainbow Robotics explicitly designed the RB-Y1 to pair with modern AI systems — relevant if your deployment depends on AI-driven manipulation.
The 6 kg dual-arm payload defines its tasks. It is suited to lighter, dexterous, repeatable industrial work — not heavy lifting.
It comes from serious robotics pedigree. Rainbow Robotics' HUBO lineage and public-company status are relevant to platform credibility and support.
RB-Y1 vs Similar Robots
- RB-Y1 vs Astribot S1: Both prioritize dual-arm manipulation over bipedal walking; both are mounted for stability rather than legged.
- RB-Y1 vs Kawada NEXTAGE: Both are dual-arm humanoid manipulators; the RB-Y1 adds a mobile wheeled base, NEXTAGE is fixed-stand.
- RB-Y1 vs AgiBot A2-W: Both are wheeled humanoid-form robots aimed at industrial work.
Source: Rainbow Robotics
