NAO (V4 / V5 / V6)

Aldebaran (now Maxtronics / Maxvision, France–China) · 2008

~$8,000 – $15,000 (quote)Education/research reseller quotes vary by bundle (est.)
AvailableZMP / IK gaitRoboCup SPL standard13,000+ unitsEducation
Weeks+Shipping: Quote / weeks. Sold through education distributors by quote; used units appear on eBay, often for a few thousand dollars.

Overview

The most widely used small humanoid ever, with 13,000+ units across 70+ countries and the RoboCup Standard Platform League robot since 2008. The 2018 NAO6 is the current version. Aldebaran went into receivership in 2025; its assets were bought by Maxvision Technologies, whose French unit Maxtronics continues NAO6 sales and support and has a NAO7 in development.

Specifications

CategoryBipeds · Walks, but doesn't really balance
Released2008
AvailabilityAvailable
ProgrammabilityFull SDK
Best forProfessionals & labs
Vision sensorsCamera, Sonar / ultrasonic
ActuatorsDC / gear motors
AudioSpeaker, Microphone
Compute typex86 PC (Intel / AMD)
Balance typeZMP / IK gait
Height58 cm
Weight~5.5 kg
ComputeIntel Atom E3845 (V6)
Speed~0.1 m/s (est.)
DOF25
Sensors2 cameras, 4 mics, sonar, IMU, foot force sensors, tactile sensors
BalanceModel-based omnidirectional walk with ZMP-style balance and IMU feedback; stable on flat floors, falls to strong pushes (then gets up).
SDKNAOqi (Python, C++), Choregraphe visual editor, ROS driver

Ratings & reviews

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Image credits