Sony aibo vs Unitree A2
The Sony aibo is listed, but we couldn’t confirm it can be ordered now. The Unitree A2 is listed at $40,900, but we couldn’t confirm it can be ordered now. The Unitree A2 is 28 cm taller.
| Sony aibo | Unitree A2 | |
|---|---|---|
| Status | Not confirmed orderable | Not confirmed orderable |
| Autonomy | Autonomous | Developer platform |
| Price (USD) | Over $3,000 (reported) | $40,900 |
| Height | 29 cm | 57 cm |
| Weight | 2.2 kg | 42 kg |
| Payload | — | 25 kg |
| Battery | — | 907 Wh |
| Runtime | 2 h | 3 h |
| Joints (DOF) | 22 | 12 |
| Walking speed | — | 0–3.7 m/s |
| Top speed | — | Up to about 5 m/s |
| Keep you company | Sold robot does it, per maker | Not claimed |
| Sources | us.aibo.com, aibo.sony.jp, robotsguide.com all facts | robotshop.com, generationrobots.com, unitree.com all facts |
A teal edge marks the better figure. The cheaper price is marked only when both robots can be ordered. "—" means the maker does not publish it. Runtime is not ranked because ranges and conditions vary. Last full check: Oct 24, 2026. Sony aibo: Offer/status checked Oct 25, 2026. Unitree A2: Offer/status checked Oct 27, 2026.
To scale, next to a 175 cm person.
Key differences
- Autonomy differs: the Sony aibo is autonomous (acts on its own); the Unitree A2 is developer platform (you program what it does).
- Only the Sony aibo has a claim or demo for keep you company.
- The Unitree A2 weighs 39.8 kg more (42 vs 2.2 kg).
- Published runtime: Sony aibo, 2 h; Unitree A2, 3 h. Conditions vary; these figures do not establish which runs longer in the same use.
- Sold to US buyers: Sony aibo, yes; Unitree A2, not stated.
Sony aibo in brief
The Sony aibo is listed, but we couldn't confirm it can be ordered now.
Sony says aibo explores on its own, gets to know household members over time and returns to its charging station by itself. (us.aibo.com)
Keep you company: "a one-of-a-kind partner to share life with"
Unitree A2 in brief
The Unitree A2 is listed for $40,900, but we couldn't confirm it can be ordered now.
Unitree A2 is a quadruped for inspection, logistics and research teams. The Pro adds mapping and self-navigation, and owners can program it. (generationrobots.com)