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Closed hardware

Rainbow Robotics RB-Y1

Rainbow Robotics · Wheeled humanoid · active · 2024

Dual 7-DOF-arm mobile manipulator with a 6-DOF torso/leg on a wheeled base, sold as an AI and teleoperation research platform.

L2Sim-verifiedGate: Loads in browser and GPU sim, mass within tolerance of the BOM, holds a stand. Unlocks .training.

Two ways to get Rainbow Robotics RB-Y1

Compare all →
  1. 1Buy assembledPrice on requestFrom rainbow-robotics.com
  2. 2Build Z-Bot (Zeroth Bot) instead$125 BOMNearest open robot · 46 cm
Fig 1/5RenderRainbow Robotics RB-Y1 studio render, three-quarter front view
Studio render of the published MJCF, the model's zero pose. Geometry only; colours are the model's own materials.© Rendered by Hyperspawn from mujoco_menagerie/rainbow_robotics_rby1 (Apache-2.0) · Hyperspawn render · source
Drawing
/rainbow/rby1
Maker
Rainbow Robotics
Country
Daejeon, KR
Package rev
none
Level
L2 Sim-verified
Availability
Buy
Openness
30/100
HW licence
Proprietary
Last checked
2026-09-24
Height
140 cm
Mass
131 kg
DOF
20
Actuators
Rainbow in-house joint modules

Config A (listed) is 131 kg / 20 DOF / 1,250 Wh; config M is 170 kg / 26 DOF / 2,500 Wh. Payload is 3 kg per arm. Rainbow Robotics is the HUBO lineage. The Daejeon HQ and 2024 year are not from fetched pages.

Build · not possible

Build it. Buy it, or build something like it.

Closed hardware. Buy link only.

Availability
Buy
Indicative price
unknown
Price note
No list price on maker site (contact sales).
Maker site: rainbow-robotics.com →Its sim model is open: train it →

Open robots of similar size you can build

Nearest by height and mass where both are known; otherwise same class. Size comparison only, not capability.

GATE

Level gate

Holds L2 · evidence, not confidence
  1. L0
    Indexed

    Known to exist. Atlas page only.

    • 2 sources on record(met)
    held
  2. L1
    Compiled

    Package validates against the spec; every fact has a source.

    • No build package compiled(not met)
    • 2 sources across robot and package(met)
    held
  3. L2
    Sim-verified

    Loads in browser and GPU sim, mass within tolerance of the BOM, holds a stand. Unlocks .training.

    • URDF/MJCF is public(met)
    • Sim load, mass tolerance and stand are checked on .training(checked elsewhere)
    held
  4. L3
    Sourced

    Every BOM line resolves to a live offer in at least two regions. Unlocks the one-click cart.

    • Not reachable: no open hardware to source or build.
    next
  5. L4
    Built

    At least one community build report with photos and bring-up logs. Unlocks Build it as the main action.

    • Not reachable: no open hardware to source or build.
    locked
  6. L5
    Certified

    The robot's maintainer signs the package. Unlocks certified teams and kit sales.

    • Not reachable: no open hardware to source or build.
    locked

Levels are cumulative and set by the registry from reviewed evidence. This panel shows what can be measured from the package today.

Same robot, other verbs

REV

Revisions and sources

Every fact on this sheet traces to one of these
RevDescriptionChecked
PKGNo build package compiled—
S1Rainbow Robotics RB-Y1 pagerainbow-robotics.com2026-09-24
S2rby1-sdk repogithub.com2026-09-24