Sony Group Corporation · robot dog
AIBO ERS-220
A chrome, space-themed AIBO with a retractable headlight and optional wireless LAN. Sales were small.
- Price
- —180,000 yen at launch
- Height
- 30 cmTaller than 18%
- Weight
- 1.5 kgHeavier than 2%
- Payload
- —Not published
- Speed
- —Not published
- Battery
- 1.5 hRuns longer than 12%
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Why it matters
A discontinued machine from Sony.
Real-world use
5,000-7,000 units sold.
Maker
Sony Group CorporationCompany · founded 1946 · Tokyo, Japanpublic company (TYO: 6758; NYSE: SONY)
How it stacks up
Against other robot dogs that publish the figure. Pick a measure.
AIBO ERS-220 is taller than 18% of the 22 other robot dogs that publish a height. Bars show the 7 closest in date.
AIBO ERS-220 is heavier than 2% of the 41 other robot dogs that publish a weight. Bars show the 7 closest in date.
AIBO ERS-220 has more joints than 83% of the 23 other robot dogs that publish a joints. Bars show the 7 closest in date.
AIBO ERS-220 runs longer than 12% of the 25 other robot dogs that publish a battery. Bars show the 7 closest in date.
Not published by the maker: speed, payload, price.
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 · 16 joints
- How it runs
- Fully autonomous. With AIBO Explorer or Hello AIBO software, it moved and reacted autonomously; optional software also allowed remote control.
- Actuators & motors
- 16 DoF drive units; retractable headlight.
- Sensors & vision
- Camera, microphones, touch sensors; coloured LEDs.
- Compute
- RISC processor; improved CPU in the later ERS-220A.
- Battery & power
- About 1.5 hours per charge (2.5+ hours with a re-celled pack).
- Materials & build
- Chrome-finish shell designed by Shoji Kawamori (Good Design Award).
- AI & software
- AIBOware; remote operation possible through an optional wireless LAN card.
- Other details
- 29.6 cm tall, 1.5 kg.
Lineage
Every Sony machine in order.
AIBO ERS-1101999Discontinued
AIBO ERS-1111999Discontinued
AIBO ERS-2102000Discontinued
AIBO ERS-31x (Latte, Macaron, Pug)2001Discontinued- AIBO ERS-2202001Discontinued
AIBO ERS-72003Discontinued
aibo 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
- Not published180,000 yen at launch
- How to get one
- No official buying page found
- Where it is sold or used
- Japan (Sony)
- Customers and pilots
- Consumers
News
The latest 1, newest first. Summaries are ours; tap through for the original.
- 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.
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