Head to head

Sony aibo (ERS-1000) vs Unitree Robotics B2

A side-by-side comparison of price, specs, and estimated resale value — verified against each manufacturer, in your selected currency and units.

More affordableaibo (ERS-1000)Sony aibo (ERS-1000) is cheaper new
Holds value better (modeled)B2Unitree Robotics B2 — ≈30%/yr vs ≈40%/yr modeled depreciation
TallerB2Unitree Robotics B2 (0.645 m)
HeavierB2Unitree Robotics B2 (60 kg)
Sony aibo (ERS-1000)Sonyaibo (ERS-1000)Unitree Robotics B2Unitree RoboticsB2
MakerSonyUnitree Robotics
FormQuadrupedQuadruped
TierConsumerEnterprise
AvailabilityShippingShipping
New price$1,700$100,000
Est. used (placeholder)$15$19$30,870$37,730
Height1'0"2'1"
Weight5 lb132 lb
DoF22
Debut20172023
Perfect forHome, ServiceManufacturing, Inspection & security

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Frequently asked

Is the Sony aibo (ERS-1000) or the Unitree Robotics B2 cheaper?

Sony aibo (ERS-1000) is cheaper new.

Which is bigger, the aibo (ERS-1000) or the B2?

Unitree Robotics B2 (0.645 m) is the larger of the two on this measure.

Sony aibo (ERS-1000) vs Unitree Robotics B2: which should you choose?

Both are quadruped humanoids. Sony aibo (ERS-1000) is cheaper new, while the aibo (ERS-1000) suits Home, Service and the B2 suits Manufacturing, Inspection & security. 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 →