A2 vs B2: Which Is Better in 2026?
Independent spec-by-spec comparison of the Unitree A2 Industrial Quadruped and Unitree B2 Industrial Quadruped. Real pricing, verified specs, no affiliate bias.
Unitree
2026 price guides (Unitree store shows a contact-sales placeholder) · Updated 2026-07
Unitree's own store lists the A2 at a flat $100,000, which is a contact-sales placeholder rather than a real price — the same figure appears on the B2 and H2 Plus. Independent 2026 price guides put the standard A2 near $52,000 and the top A2-W Pro near $88,000. Treat this as a quote-only product and get the configuration in writing.
Payload
25 kg
Unitree
Top3DShop (verified sale price) · Updated 2026-03
Listed $100K official; $76,900 at Top3DShop
Payload
40 kg
A2 is 9% cheaper than B2
Price Comparison
A2
~$52,000–$88,000
2026 price guides (Unitree store shows a contact-sales placeholder)
✓ Lower priceB2
$76,900
Top3DShop (verified sale price)
The B2 costs 9% more than the A2.
Winner by Category
Full Spec Comparison
| Spec | A2 | B2 |
|---|---|---|
| Payload | 25 kg | 40 kg |
| Max Speed | 3.7 m/s | 6 m/s |
| Weight | 42 kg | 60 kg |
| IP Rating | IP56 | — |
| Battery Life | 5 h | — |
Our Verdict
On price, the A2 comes in 10% cheaper than the B2 — a meaningful gap if budget is the primary constraint.
For payload capacity, the B2 handles 40kg vs the A2's 25kg — a 60% advantage for heavier tasks.
**Choose the B2** if you need the stronger all-round performer across specs and value.
**Choose the A2** if its specific strengths — such as lower price — align with your use case.
Best For
A2
- ✓industrial inspection
- ✓search and rescue
- ✓long-range patrol
- ✓logistics over rough terrain
- ✓defence research
B2
- ✓industrial inspection
- ✓construction
- ✓mining
- ✓security
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A2 vs B2 — FAQ
Is the A2 or the B2 cheaper?
The A2 is cheaper at ~$52,000–$88,000, versus $76,900 for the B2 — a 9% difference.
What's the difference between the A2 and the B2?
The main differences are payload (25 kg vs 40 kg) and top speed (3.7 m/s vs 6 m/s). Pricing, certifications, and country of origin differ too — see the full spec table above.
Which is better, the A2 or the B2?
The B2 wins on more categories overall (price, payload, precision, speed, and value). Choose the A2 if its specific strengths match your use case — see our verdict above.
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