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