Humanoid & robot atlas
AIBO ERS-7
Photo: Stuart Caie, CC BY 2.0, via Wikimedia Commons
DiscontinuedSucceeded by aibo ERS-1000 JapanFully autonomous

Sony Group Corporation · robot dog

AIBO ERS-7

Third-generation AIBO with Wi-Fi, an LED face display and self-docking to charge. It was widely used in university robot-soccer research.

Price
$1,600Cheaper than 62%
Height
28 cmTaller than 9%
Weight
1.6 kgHeavier than 5%
Payload
—Not published
Speed
—Not published
Battery
1.5 hRuns longer than 12%
Simulate in your job Compare

Not sure this is the one? Find the best robot for your job Starts with: help at home. Five more quick questions.

Why it matters

The last AIBO line before Sony shut the product down in 2006; AIBO was the RoboCup four-legged league platform from 1999 to 2008.

Real-world use

About 45,000 units across the M1, M2 and M3 versions; support for the ERS-7M3 ended in March 2013.

Timeline

First shown
2003-09-04
Released
2003-11
Sony Marketing announces the ERS-7

Maker

Sony Group CorporationCompany · founded 1946 · Tokyo, Japan

public company (TYO: 6758; NYSE: SONY)

How it stacks up

Against other robot dogs that publish the figure. Pick a measure.

  1. HyQIstituto Italiano di Tecnologia (IIT) · 2011100 cm
  2. HyQ2MaxIstituto Italiano di Tecnologia (IIT) · 201592 cm
  3. BigDogBoston Dynamics (with Foster-Miller, NASA JPL and Harvard; DARPA-funded) · 200576 cm
  4. ANYmal (first generation)ETH Zurich / ANYbotics · 201670 cm
  5. LaikagoUnitree Robotics · 201760 cm
  6. AIBO ERS-220Sony · 200130 cm
  7. AIBO ERS-7Sony · 200328 cm
  8. LittleDogBoston Dynamics · 200514 cm

AIBO ERS-7 is taller than 9% of the 22 other robot dogs that publish a height. Bars show the 7 closest in date.

Height 28 cm 11 cm100 cm #21 of 23 · taller than 9%

Not published by the maker: speed, payload.

Public attention

A historic robot: no longer sold or in use, so it is not ranked against current machines.

  • 3,196 views of its Wikipedia article in the last 90 days (AIBO)
  • 3 news stories from reputable press listed on this page

Measures how much people read and write about a robot, not how good it is. Measured 2026-10-14; same method for every robot. How it is measured

What’s inside

The parts the company has talked about publicly.

Movement
Walks on legs · 20 joints
How it runs
Fully autonomous. It acted as a pet on its own and walked back to its dock to recharge by itself.
Actuators & motors
Newly developed quieter 'silent servo' system; 20 DoF (head 3, mouth 1, legs 3x4, ears 1x2, tail 2); clicking ear actuators.
Hands
Mouth can grip its AIBOne bone toy.
Sensors & vision
350,000-pixel CMOS camera with visual pattern recognition (AIBO Cards, charging-station markers), new touch sensors on head and back, chest distance sensor, infrared sensors, two microphones, accelerometer.
Compute
64-bit RISC processor, 64 MB RAM; built-in 802.11b Wi-Fi.
Battery & power
Lithium-ion; finds its Energy Station and recharges itself.
AI & software
AIBO MIND (MIND 2 and 3 added AIBO Entertainment Player, video recording and e-mail photos); SIFT-based vision from Evolution Robotics; R-CODE, OPEN-R SDK and AIBO Remote Framework.
Other details
28 LEDs in the face ('Illume-Face'); 64-voice MIDI sound. Used in RoboCup 2004-2008.

Lineage

Every Sony machine in order.

  1. AIBO ERS-110AIBO ERS-1101999Discontinued
  2. AIBO ERS-111AIBO ERS-1111999Discontinued
  3. AIBO ERS-210AIBO ERS-2102000Discontinued
  4. AIBO ERS-31x (Latte, Macaron, Pug)AIBO ERS-31x (Latte, Macaron, Pug)2001Discontinued
  5. AIBO ERS-220AIBO ERS-2202001Discontinued
  6. AIBO ERS-7AIBO ERS-72003Discontinued
  7. aibo ERS-1000aibo ERS-10002017Commercial

Sony Group Corporation also makes 3 humanoids. See every Sony Group Corporation robot

Made, sold and where

Unit counts are usually company figures; analysts often disagree.

Price
$1,600¥185,000 in Japan at launch; about $1,600 in the US. The 2004 ERS-7M2 was about $1,900.
How to get one
No official buying page found
Sold or delivered
Japan price ¥185,000 at launch; the 2004 ERS-7M2 cost about $1,900 in the US
Where it is sold or used
Japan (Sony)
Customers and pilots
Consumers; universities and RoboCup teams

News

The latest 3, newest first. Summaries are ours; tap through for the original.

  1. Sony ends Aibo repair service

    IEEE Spectrum reported Sony had stopped maintaining the old Aibo dogs, the ERS-7 being the most advanced.

    IEEE Spectrum
  2. Sony upgrades ERS-7 to the M2

    Sony Electronics announced the ERS-7M2 in pearl white and black with MIND 2 software, video recording and PC control.

    Sony Electronics (PR Newswire)
  3. Sony unveils the ERS-7

    Sony Marketing announced the dog-shaped ERS-7 with LED face, new sensors and Wi-Fi, shipping in November at ¥185,000.

    ITmedia

Sources

Figures come from press coverage. Every link below backs something on this page.

Sony New AIBO ERS-7 with advanced image recognition and expressive sensors and LEDs Wikipedia AIBO Sony Marketing (Japan) AIBO Official Site: history of AIBO (Japanese) Sony Electronics Sony's Third-Generation AIBO Entertainment Robot Grows Up With Upgraded Software and New Hue

Photos and logos only identify each robot and its maker. Simbeing is not affiliated with, sponsored by or endorsing any company, and nothing here is advertising. Figures are for statistics only and are not advice of any kind. Terms of use