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Twendy One

Built by Waseda University · Japan

Updated Jul 2026·methodology
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The Twendy One is a Humanoid robot developed by Waseda University (Japan), launched 2007. Key specifications: form factor full bipedal, height 146 cm, weight 111 kg, mobility bipedal.

RoboScore

39.5/ 100

Speculative — thin evidence

No confirmed deployment on record — this score reflects the rest of the record, not verified adoption.

4 of 9 signals present

Recomputed nightly from public data. Missing data is skipped, never zero-filled — and rankings are never for sale.

Weighted factors

average of the 4 scored · blanks don't count

Commercial maturity15%25/100
Deployment footprint23%unknown
Proven track record9%unknown
Spec completeness11%97/100
Company financial health15%unknown
Company maturity4%100/100
Manufacturer portfolio5%51/100
Media mentions (trailing 12 months)15%unknown
Independent recognition3%unknown

Not in the Humanoid standing. The standings cover robots first sold from 2020 onward, and this one launched in 2007. Its Robo Score above is unaffected — the score is the evidence, the standing is only who it is listed against.

See the Humanoid standing
Twendy One gallery image 1Twendy One gallery image 2

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Overview

Twendy One is a humanoid robot with strong arms, dexterous hands, and a mobile base designed to assist the elderly in their homes by helping them move around and taking care of household tasks. Equipped with high-performance actuators, it is capable of grasping objects of various shapes and assisting a person to stand up and walk.

At a glance

  • Built for research development
  • Used across research academic
  • Sold in Japan

Buyer decision signals

Viability

est. 2000

KOBIAN introduced as an emotional humanoid robot

Price

Research platform

Published figures are build cost or program budget, not a purchase price

Specifications

Category: Humanoid
Form factor
full bipedal
Height
146 cm
Weight
111 kg
Mobility
bipedal
Walking speed
0.75 m/s
Total DOF
13
DOF / arm
4
DOF / hand
4
Payload
35 kg
Lifting capacity
5 kg
Hot-swap battery
No
Sensors
CCD Cameras, Ultrasonic Sensors, Force Sensors
LiDAR
No
F/T sensors
Yes
VLM on-board
No
Imitation learning
No
Bimanual
No
Stair climbing
No
Terrain
flat indoor
SDK languages
Python, C++
Maturity
prototype
Environments
home, healthcare
Industries
healthcare, elderly care
Pricing model
outright purchase
Warranty
1 yr
VerifiedSelf-reportedEstimated

Company profile

Founded
2000

Detailed specifications

What it is built for3
Applications
assisting the elderly,household tasks,attendant care,kitchen supports
Sub Category
none
Target Industries
research academic
Size & capacity2
Height Mm
1467
Payload Per Arm
false
Movement & precision5
Dof
47
Arm Dof
7
Grip Force N
10
Max Speed M S
0.75
Grip Strength N
10
Power & runtime1
Charging Method
tethered
Controls & integration6
Open Api
closed
Head Cameras
0
Air Gap Capable
false
Microphone Count
0
Network Protocols
wifi 5,ethernet
Vision Processing
on device
Safety & certification5
Noise Level Db
60
Tactile Sensing
none
Emergency Stop Count
1
Human Detection Method
vision human
Safe Speed When Human Near
none
Buying & support4
Pricing Models
capex
Country Of Origin
JPN
Is Research Grade
true
Countries Available
Japan
Other details24
Imu Count
1
Finger Dof
1
Ros Support
none
Arm Reach Cm
60
Gripper Type
parallel jaw
Fall Recovery
none
Cloud Telemetry
none
Payload Peak Kg
10
Running Capable
static walk
Field Of View Deg
360
Force Limited Arms
software only
Programming Methods
hand coded,teleop demonstration
Tool Use Capability
none
Operating Temp Max C
40
Operating Temp Min C
0
Simulation Platforms
NVIDIA Isaac Sim,MuJoCo
Task Reset Frequency
rarely
Teleoperation Method
none
Task Success Rate Pct
95
Risk Assessment Provided
none
Delivery Lead Time Months
3
Tethered Operation Available
false
Manipulation Repeatability Mm
2
Software Subscription Required
false

Company milestones

  • May 2009MilestoneKOBIAN introduced as an emotional humanoid robot
  • Oct 2008MilestoneWF-4RIV development paper presented
  • 2009MilestoneMusical robots perform duets
  • 2009MilestonePlanned future use in care settings
  • 2009LaunchDevelopment of Waseda Flutist Robot WF-4RVI
  • 2009DeploymentWaseda flute robot joined duet performance
  • 2009LaunchDevelopment of Waseda Flutist Robot WF-4RV
  • 2008DeploymentWF-4RVI presented at BioRob 2008

Frequently asked questions

Who makes the Twendy One?
The Twendy One is developed by Waseda University, based in Japan.
What type of robot is the Twendy One?
The Twendy One is a Humanoid robot made by Waseda University.
How much does the Twendy One cost?
Pricing for the Twendy One is not publicly listed — contact Waseda University for a quote.
When was the Twendy One launched?
The Twendy One was launched in 2007.
What are the key specifications of the Twendy One?
Key specifications of the Twendy One: form factor full bipedal, height 146 cm, weight 111 kg, mobility bipedal, walking speed 0.75 m/s.

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