Side-by-side comparison of Kirobo Mini (Toyota) and Twendy One (Waseda University) — specs, pricing, Robo Index, and verified deployments. Updated daily.
Optimize comparison for buyer
Optimized for Hospitality & F&B buyers. Priority specs lifted to the top and marked with a target.
Manufacturer Country


Year First Available


Verified Deployments


Price


Battery / Shift Runtime


Availability Status


Weight


Height


Mobility Type


Humanoid Subtype


Walking Speed


Running Capable


Stair Climbing


Terrain


Payload


Payload (Peak)


Total DOF


Arm DOF


Hand DOF


Arm Reach


Grip Strength


Manipulation Repeatability


Bimanual Coordination


Tool Use


VLM Capable


Foundation Models


Imitation Learning


Teleoperation


Programming


Runtime


Charging Method


Battery Swap


Force-Limited Arms


Fall Recovery


Emergency Stops


Human Detection Method


Safe Speed Near Humans


SDK Languages


ROS Support


Simulation Platforms


Open API


Air-Gap Capable


Task Success Rate


Deployment Maturity


Noise Level


Price (USD)


Price Tier


Pricing Model


Delivery Lead Time


Warranty


Applications


![]() | ![]() | |
|---|---|---|
| Layer 1: Identity & Trust | ||
| Manufacturer Country | Japan | Japan |
| Year First Available (values differ) | 2016 | 2007 |
| Verified Deployments | 0 Deployments | 0 Deployments |
| Layer 2: Operational | ||
| Price (values differ) | $474 USD | Contact for quote |
| Battery / Shift Runtime (priority for Hospitality & F&B buyers) (values differ) | 2.5 hrs | 0.5 hrs |
| Availability Status | ACTIVE | ACTIVE |
| Layer 3: Category Specific | ||
| Physical Form Factor | ||
| Weight (priority for Hospitality & F&B buyers) (values differ) | 0.2 kg | 111 kg |
| Height (values differ) | 10 cm | 146 mm |
| Mobility Type (values differ) | static | bipedal |
| Humanoid Subtype | full bipedal | full bipedal |
| Walking Speed (values differ) | — | 0.8 m/s |
| Running Capable (values differ) | — | static walk |
| Stair Climbing | No | No |
| Terrain (values differ) | flat indoor | flat indoor |
| Payload & Dexterity | ||
| Payload (values differ) | — | 5 kg |
| Payload (Peak) (values differ) | — | 10 kg |
| Total DOF (values differ) | — | 47 |
| Arm DOF (values differ) | — | 7 |
| Hand DOF (values differ) | — | 13 |
| Arm Reach (values differ) | — | 60 cm |
| Grip Strength (values differ) | — | 10 N |
| Manipulation Repeatability (values differ) | — | ±2 mm |
| Bimanual Coordination | No | No |
| Tool Use (values differ) | — | none |
| Compute & AI | ||
| VLM Capable | No | No |
| Foundation Models (values differ) | — | false |
| Imitation Learning | No | No |
| Teleoperation (values differ) | — | none |
| Programming (values differ) | dedicated app | — |
| Battery & Power | ||
| Runtime (values differ) | 2.5 hrs | — |
| Charging Method (values differ) | — | tethered |
| Battery Swap | No | No |
| Safety | ||
| Force-Limited Arms (values differ) | — | Yes |
| Fall Recovery (values differ) | — | Yes |
| Emergency Stops (values differ) | — | 1 |
| Human Detection Method (values differ) | — | vision human |
| Safe Speed Near Humans (values differ) | — | none |
| Software | ||
| SDK Languages (values differ) | Japanese | Python, C++ |
| ROS Support (values differ) | No | none |
| Simulation Platforms (values differ) | — | NVIDIA Isaac Sim, MuJoCo |
| Open API (values differ) | No | closed |
| Air-Gap Capable (values differ) | — | No |
| Reliability | ||
| Task Success Rate (values differ) | — | 95 % |
| Deployment Maturity (values differ) | commercial | prototype |
| Noise Level (values differ) | — | 60 dB |
| Commercial | ||
| Price (USD) (values differ) | $474 USD | Contact for quote |
| Price Tier | under_50k | under_50k |
| Pricing Model (values differ) | outright purchase | capex |
| Delivery Lead Time (values differ) | — | 3 mo |
| Warranty (values differ) | — | 1 yrs |
| Applications (values differ) | eldercare_assistance, hospitality | research |
Insufficient data for full comparison
The following fields had no data for any of the selected robots: Onboard Compute, Compute Platform, Battery Capacity, Charging Time, Avg Power Consumption, Fall Detection Response, MTBF, IP Rating, RaaS / Month, Developer Unit Price, Production Pilots
Same operating assumptions across every robot — the only difference is price. Set your numbers once to see which pays back fastest.
Annual labor displaced (per robot): $50,000
| Metric | Kirobo Mini | Twendy One |
|---|---|---|
| Investment | $474 | No price |
| Payback period | < 1 mo | — |
| Net savings (5 yr) | $249,526 | — |
| ROI (5 yr) | +52643% | — |
Twendy One has no listed price, so payback can't be computed. Contact the manufacturer for a quote.
Estimates labor-cost displacement only — not a full total cost of ownership. Actual ROI depends on integration, maintenance, training, downtime, and task fit. Converted currencies are indicative; USD is the price of record.
Frequently asked
Kirobo Mini is made by Toyota, based in JP. Twendy One is made by Waseda University, based in JP.
Kirobo Mini launched in 2016. Twendy One launched in 2007.
Kirobo Mini grades AA on the Robo Index. Twendy One grades BB. The Robo Index is a credibility grade (AAA … C) that blends commercial maturity, verified deployments, company standing, and independent coverage — see methodology for the full breakdown.
Both robots are classified as Humanoid on Robolist. Filters and ranking treat them as direct alternatives.
Hardware cost is one input. Humanoid TCO also includes integration, training, downtime, and end-of-life. Our breakdown: Humanoid TCO: Hardware, Cloud Subscriptions, and the Cost of Teleop Time.
Spec sheets only show part of the story. Useful vendor questions cover support, lifecycle, integration cost, and references. We have a buyer-focused checklist: Vendor Selection for Humanoids: The 10 Questions You Must Ask.
Going deeper — picking the right robot
Humanoid TCO: Hardware, Cloud Subscriptions, and the Cost of Teleop Time
8 min readHumanoid Robots
Vendor Selection for Humanoids: The 10 Questions You Must Ask
10 min readHumanoid Robots
Running a Humanoid Pilot: Scope, Success Criteria, and Exit Options
9 min readHumanoid Robots
Build vs buy vs lease: which model fits a first deployment
8 min readChoosing Your First Robot
The hidden specs vendors hope you'll miss
10 min readReading the Spec Sheet
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Kirobo Mini vs Twendy One compares two robots in the humanoid category. All data is sourced from manufacturer spec sheets, verified deployments, and third-party filings; see our methodology for how the Robo Index is calculated.