KEYi Loona vs Sony aibo ERS-1000
A side-by-side look at how these two home & companion robots stack up on specs, owner ratings and estimated price — plus our verdict on which to buy.


Sony
Sony aibo ERS-1000
AI companion robot dog that learns and bonds
$2,899est.
Our verdict
On balance the Sony aibo ERS-1000 is the stronger pick, edging out the KEYi Loona on owner rating. That said, the KEYi Loona can still be the right call depending on your specific requirements and budget.
Specs side by side
| Metric | KEYi Loona | Sony aibo ERS-1000 |
|---|---|---|
| Owner rating | 4.5 / 5 | 4.7 / 5 |
| Estimated price | $449 | $2,899 |
| Payload | 0.9 kg | 2.2 kg |
| Reach | — | — |
| Repeatability | ±20 mm | ±20 mm |
| Power draw | 10 W | 14 W |
| Availability | In stock | In stock |
Highlighted cells indicate the stronger figure on each metric. Prices are estimates and may differ from the retailer's live price.
Frequently asked questions
Which is better, the KEYi Loona or the Sony aibo ERS-1000?
On balance the Sony aibo ERS-1000 is the stronger pick, edging out the KEYi Loona on owner rating. That said, the KEYi Loona can still be the right call depending on your specific requirements and budget.
Which costs less, the KEYi Loona or the Sony aibo ERS-1000?
Based on our current estimated pricing, the KEYi Loona carries the lower price at $449. Prices are estimates and change often — tap through to the retailer for the live price before deciding.
What type of robots are the KEYi Loona and Sony aibo ERS-1000?
Both are in our Home & Companion Robots category. The KEYi Loona is expressive AI robot pet with ChatGPT smarts, while the Sony aibo ERS-1000 is aI companion robot dog that learns and bonds.
