Robot model

NAO

Autonomous, programmable humanoid robot standing 58cm tall, widely used in research, education, and RoboCup.

Manufacturer: Aldebaran Robotics
Form factor: humanoid
Maturity: commercial
Lifecycle: active
Deployments: 4

Overview

Autonomous, programmable humanoid robot standing 58cm tall, widely used in research, education, and RoboCup. Over 13,000 units deployed in 70+ countries.

Verified vs. claimed

Maturity stage: commercial(Commercially deployed with revenue-generating operations.)
Sources on file: View all sources →

Key facts

Form Factor

humanoid

Maturity

commercial

NAO H25 size and mass

Aldebaran's NAO H25 construction page lists height 574 mm, depth 311 mm, width 275 mm, weight 5.4 kg, and materials ABS-PC, PA-66, and XCF-30 (Aldebaran).

NAO H25 joint layout

The H25 joints page lists HeadYaw and HeadPitch, five arm joints plus a hand on each side, five joints on each leg, and one shared hip yaw-pitch motor for LHipYawPitch and RHipYawPitch (Aldebaran).

Specs

Weight kg

5.4

Data & sources

Web sources

3 sources backing this record.View all →

Pricing

No verified price is on record for NAO. Physical-AI systems are often sold through enterprise contracts or operated as a service rather than at a public list price.

How DEPLOY tracks pricing

Deployments (4)

NAO at Hertfordshire, United Kingdomoperational
University of Hertfordshire deployed NAO for Bold Hearts RoboCup Team and human-robot interaction research.
NAO at Higashi-Shinjuku Substation, Tokyo, Japanoperational
University of Tokyo purchased 30 NAO robots for Nakamura Lab.
NAO at Warwickshire, United Kingdomoperational
200+ secondary schools equipped with NAO robots worldwide including Warwickshire UK.
NAO at Worldwide (70+ countries)operational
Over 13,000 NAO units in use across 70+ countries as of 2024.

Free to use on your site, with a link back to DEPLOY.

NAO on the deployment map

View the global map

Where NAO is verified operating. Explore the deployment map by place and type.

Free to use on your site, with a link back to DEPLOY.

Recent activity

Every change to this record is dated, sourced, and independently verified where marked.

Record createdAug 9, 2026
Added to the verified registry
Deployment verifiedVerifiedNov 22, 2012
at Warwickshire, United Kingdom
Deployment verifiedVerifiedJan 1, 2011
at Hertfordshire, United Kingdom
Deployment verifiedVerifiedOct 1, 2010
at Higashi-Shinjuku Substation, Tokyo, Japan
Deployment verifiedVerifiedDec 1, 2008
at Worldwide (70+ countries)

Full change history →

Safety record

No incidents on record for NAO.

Only active incidents are counted. Retracted incidents are excluded from this summary but remain reachable at their canonical URLs.

Sources (3)

Common questions

What is NAO?

Autonomous, programmable humanoid robot standing 58cm tall, widely used in research, education, and RoboCup. Over 13,000 units deployed in 70+ countries.

How much does NAO cost?

NAO's price is not publicly disclosed. DEPLOY has no verified price on record for NAO from Aldebaran Robotics. Physical-AI systems like this are often sold through enterprise contracts or operated as a service rather than at a public list price; check the manufacturer for the latest.

Is NAO actually deployed in the real world?

Yes. NAO is independently verified in real-world operation on the DEPLOY registry, confirmed at named deployment sites with primary sources: not a concept, render, or demo-only.

Who makes NAO?

NAO is made by Aldebaran Robotics, based in Paris, France, founded in 2005.

Where is NAO deployed?

4 verified deployments of NAO are on the DEPLOY registry, including at Hertfordshire, United Kingdom, Higashi-Shinjuku Substation, Tokyo, Japan, Warwickshire, United Kingdom.

Can you buy NAO?

NAO is in commercial deployment and is sold to operators; contact the manufacturer to buy, and see the pricing section for any recorded price.

What are alternatives to NAO?

On the DEPLOY registry, comparable humanoid robots to NAO include Walker S2, Digit, Unitree G1, Atlas.

How does NAO compare to Walker S2?

NAO and Walker S2 (UBTech Robotics · 18 deployments) are both humanoid robots on the DEPLOY registry. NAO has 4 verified deployments on record. Compare both records for specs, safety, deployments, and verified-vs-claimed autonomy.

Is NAO a top humanoid?

On DEPLOY's intelligence score, which blends verified deployments, safety, adoption, media, and IP signals, NAO ranks in roughly the top 6% of humanoid models tracked by the registry.

What is NAO's maturity stage?

NAO is at the commercial stage on the DEPLOY maturity ladder (research, prototype, pilot, commercial, production). Commercial stage means production-grade deployments are operating at named customer sites.

Is NAO safe?

NAO has no incidents on record in the DEPLOY registry. This does not constitute a safety guarantee; it reflects the incidents DEPLOY has tracked and verified to date.

Methodology: Verified · 3 sources (no primary) · last reviewed 2026-11-01

Verification posture

Verified

Low confidence

Review state

Stable

Last reviewed 2026-11-01

Maturity + lifecycle

Maturity stage: commercial

Lifecycle: active

Architectural position

Cohort: humanoid

Sources by quality tier

2: unclassified; Unclassified source
1: knowledge-base; Knowledge base

The framework is documented at /methodology. Corrections at /corrections. Reviewer: DEPLOY editorial team.