Sony aibo (ERS-1000) vs Unitree Robotics Go2
The Sony aibo (ERS-1000) costs ¥272,800 new; the Unitree Robotics Go2 costs $1,600. The Go2 is taller (1'4" vs 1'0"), with 12 vs 22 degrees of freedom. Full verified comparison below, in your selected currency and units.
 Sonyaibo (ERS-1000) |  Unitree RoboticsGo2 | |
|---|---|---|
| Maker | Sony | Unitree Robotics |
| Form | Quadruped | Quadruped |
| Tier | Consumer | Hobbyist |
| Availability | Discontinued | Shipping |
| New price | ≈ $1,670 | $1,600 |
| Est. used (modeled) | — | $203–$248 |
| Height | 1'0" | 1'4" |
| Weight | 5 lb | 33 lb |
| DoF | 22 | 12 |
| Debut | 2017 | 2023 |
| Perfect for | Home | Research |
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Frequently asked
Is the Sony aibo (ERS-1000) or the Unitree Robotics Go2 cheaper?
Unitree Robotics Go2 is cheaper new.
Which is bigger, the aibo (ERS-1000) or the Go2?
Unitree Robotics Go2 (1'4" / 0.4 m) is the larger of the two on this measure.
Which has more degrees of freedom?
Sony aibo (ERS-1000) (22 DoF).
Sony aibo (ERS-1000) vs Unitree Robotics Go2: which should you choose?
You can buy the Go2 today ($1,600); the aibo (ERS-1000) is discontinued. Both are quadruped humanoids. Unitree Robotics Go2 is cheaper new. The aibo (ERS-1000) suits home, while the Go2 suits research. Compare the verified specs above and see each model page for depreciation and resale estimates.
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Used-value figures are clearly-labeled placeholder estimates from a tier-rate model — not data-backed appraisals. Specs and prices are verified against each manufacturer. How we value → · Build your own comparison →