DiscontinuedSucceeded by AIBO ERS-31x (Latte, Macaron, Pug) JapanFully autonomous

AIBO ERS-210

Second-generation AIBO with a lion-cub look, speech recognition and a lower price. An ERS-210A update fixed a drooping-head fault and added a faster CPU.

Price: $1,500Cheaper than 76%
Height: —Not published
Weight: —Not published
Payload: —Not published
Speed: —Not published
Battery: —Not published

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Why it matters

The best-selling AIBO model, and the first with speech recognition.

Real-world use

Over 65,000 units sold.

Timeline

First shown: 2000-10-12
Released: 2000

Sony announces the second-generation ERS-210

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.

AIBO ERS-210 costs less than 76% of the 21 other robot dogs that publish a price. Bars show the 7 closest in date.

Price $1,500 $195$100,000 #6 of 22 · cheaper than 76%

Not published by the maker: height, weight, speed, payload, joints, battery.

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)
1 news story 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
How it runs: Fully autonomous. With AIBO Life software, it acted as a pet using its own judgement, learned through interaction and recognized spoken words.
Actuators & motors: Second-generation leg, head and tail actuators; a later 'Super Core' ERS-210A fixed a head-clutch drooping fault.
Sensors & vision: Camera, microphones, touch sensors; added voice recognition.
Compute: RISC processor (faster CPU in the ERS-210A); PC Card slot.
AI & software: Speech recognition; AIBOware; OPEN-R SDK, R-CODE.
Other details: Lion-cub-inspired design. Optional wireless LAN card linked it to a PC. Used in RoboCup 2001-2003 (ERS-210/210A).

Lineage

Every Sony machine in order.

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

Watch AIBO ERS-210

Video: AP Archive on YouTube. Plays from youtube-nocookie.com when you press play.

Made, sold and where

Unit counts are usually company figures; analysts often disagree.

Price: $1,500about US$1,500 at launch, later under $1,000
How to get one: No official buying page found
Where it is sold or used: Japan (Sony)
Customers and pilots: Consumers; RoboCup teams and universities

News

The latest 1, newest first. Summaries are ours; tap through for the original.

2015-02-26
Sony ends Aibo repair service
IEEE Spectrum reported that Sony had stopped maintaining the original Aibo dogs, citing a lack of spare parts, leaving owners to independent repair shops.
IEEE Spectrum

Sources

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

Sony Sony Announces Sale of 2nd Generation Autonomous Entertainment Robot "AIBO" [ERS-210] sony.com AIBO ERS-210: how it is operated Sony Marketing (Japan) AIBO Official Site: history of AIBO (Japanese)

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