CHARLI vs Kojiro

Side-by-side comparison of CHARLI (UCLA and RoMeLa) and Kojiro (Tokyo University) — specs, pricing, Robo Index, and verified deployments. Updated daily.

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CHARLIA

KojiroA

Layer 1: Identity & Trust

Manufacturer Country

CHARLIUnited States
Kojiro—

Year First Available

CHARLI2011
Kojiro2007

Verified Deployments

CHARLI0 Deployments
Kojiro0 Deployments

Layer 2: Operational

Battery / Shift Runtime

CHARLI0.5 hrs
Kojiro24 hrs

Availability Status

CHARLIACTIVE
KojiroACTIVE

Physical Form Factor

Height

CHARLI141 mm
Kojiro133 mm

Weight

CHARLI12.1 kg
Kojiro45 kg

Mobility Type

CHARLIbipedal
Kojirobipedal

Humanoid Subtype

CHARLIfull bipedal
Kojirofull bipedal

Walking Speed

CHARLI2.1 m/s
Kojiro—

Running Capable

CHARLIdynamic walk
Kojiro—

Stair Climbing

CHARLINo
KojiroNo

Terrain

CHARLIrough_indoor, outdoor_unstructured
Kojirolaboratory

Payload & Dexterity

Total DOF

CHARLI20
Kojiro56

Arm DOF

CHARLI4
Kojiro5

Hand DOF

CHARLI1
Kojiro3

Bimanual Coordination

CHARLINo
KojiroNo

Compute & AI

Onboard Compute

CHARLISingle-board computer with 1.6 GHz Intel Atom CPU
Kojiro—

VLM Capable

CHARLINo
KojiroNo

Foundation Models

CHARLIfalse
Kojiro—

Imitation Learning

CHARLINo
KojiroNo

Programming

CHARLIUbuntu Linux OS and custom operation and control program coded in C++
Kojiro—

Battery & Power

Runtime

CHARLI0.5 hrs
Kojiro24 hrs

Battery Swap

CHARLINo
KojiroNo

Software

SDK Languages

CHARLIC++
Kojiro—

ROS Support

CHARLINo
KojiroNo

Open API

CHARLINo
KojiroNo

Reliability

Deployment Maturity

CHARLIprototype
Kojiroresearch

Commercial

Production Pilots

CHARLIRoboCup
Kojiro—

Applications

CHARLIresearch
Kojirolearning to mimic human walking, potential home service tasks

	CHARLIhumanoidUCLA and RoMeLa ARobo Index	KojirohumanoidTokyo University ARobo Index
Layer 1: Identity & Trust
Manufacturer Country (values differ)	United States	—
Year First Available (values differ)	2011	2007
Verified Deployments	0 Deployments	0 Deployments
Layer 2: Operational
Battery / Shift Runtime (values differ)	0.5 hrs	24 hrs
Availability Status	ACTIVE	ACTIVE
Layer 3: Category Specific
Physical Form Factor
Height (values differ)	141 mm	133 mm
Weight (values differ)	12.1 kg	45 kg
Mobility Type	bipedal	bipedal
Humanoid Subtype	full bipedal	full bipedal
Walking Speed (values differ)	2.1 m/s	—
Running Capable (values differ)	dynamic walk	—
Stair Climbing	No	No
Terrain (values differ)	rough_indoor, outdoor_unstructured	laboratory
Payload & Dexterity
Total DOF (values differ)	20	56
Arm DOF (values differ)	4	5
Hand DOF (values differ)	1	3
Bimanual Coordination	No	No
Compute & AI
Onboard Compute (values differ)	Single-board computer with 1.6 GHz Intel Atom CPU	—
VLM Capable	No	No
Foundation Models (values differ)	false	—
Imitation Learning	No	No
Programming (values differ)	Ubuntu Linux OS and custom operation and control program coded in C++	—
Battery & Power
Runtime (values differ)	0.5 hrs	24 hrs
Battery Swap	No	No
Software
SDK Languages (values differ)	C++	—
ROS Support	No	No
Open API	No	No
Reliability
Deployment Maturity (values differ)	prototype	research
Commercial
Production Pilots (values differ)	RoboCup	—
Applications (values differ)	research	learning to mimic human walking, potential home service tasks

Insufficient data for full comparison

The following fields had no data for any of the selected robots: Price Range (USD), Payload, Payload (Peak), Arm Reach, Grip Strength, Manipulation Repeatability, Tool Use, Compute Platform, Teleoperation, Battery Capacity, Charging Time, Charging Method, Avg Power Consumption, Force-Limited Arms, Fall Recovery, Fall Detection Response, Emergency Stops, Human Detection Method, Safe Speed Near Humans, Simulation Platforms, Air-Gap Capable, MTBF, Task Success Rate, IP Rating, Noise Level, Price (USD), Price Tier, RaaS / Month, Pricing Model, Developer Unit Price, Delivery Lead Time, Warranty

best in categoryweakest in categoryvalues differ

Trade-offs at a glance

Frequently asked

Who makes CHARLI and Kojiro?

CHARLI is made by UCLA and RoMeLa, based in US. Kojiro is made by Tokyo University.

When were CHARLI and Kojiro launched?

CHARLI launched in 2011. Kojiro launched in 2007.

How do CHARLI and Kojiro compare on the Robo Index?

CHARLI grades A on the Robo Index. Kojiro grades A. 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.

Are CHARLI and Kojiro in the same category?

Both robots are classified as Humanoid on Robolist. Filters and ranking treat them as direct alternatives.

What is the realistic total cost of ownership for Humanoid robots?

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.

What should a buyer ask vendors when choosing between CHARLI and Kojiro?

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

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About this comparison

CHARLI vs Kojiro 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.