Unitree Go2 Air vs Petoi Bittle X
The Unitree Go2 Air is available to order now at $1,600. The Petoi Bittle X is available to order now at $319. The Unitree Go2 Air is 29 cm taller.
| Unitree Go2 Air | Petoi Bittle X | |
|---|---|---|
| Status | Orderable now Air: stock unconfirmed; shipping estimate only. | Orderable now |
| Autonomy | Remote controlled | Developer platform |
| Price (USD) | $1,600 | $319 |
| Height | 40 cm | 11 cm |
| Weight | 15 kg | 0.3 kg |
| Payload | 7 kg | — |
| Battery | 230 Wh | 7 Wh |
| Runtime | About 1–2 h | 1 h |
| Joints (DOF) | 12 | 9 |
| Walking speed | — | — |
| Top speed | 0–2.5 m/s (Go2 AIR) | — |
| Keep you company | Sold robot does it, per maker | Not claimed |
| Sources | unitree.com, shop.unitree.com, shop.unitree.com all facts | petoi.com, petoi.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. Unitree Go2 Air: Offer/status checked Oct 31, 2026. Petoi Bittle X: Offer/status checked Oct 24, 2026.
To scale, next to a 175 cm person.
Key differences
- Autonomy differs: the Unitree Go2 Air is remote controlled (you steer it from an app or remote); the Petoi Bittle X is developer platform (you program what it does).
- Only the Unitree Go2 Air has a claim or demo for keep you company.
- The Unitree Go2 Air weighs 14.7 kg more (15 vs 0.3 kg).
- Published runtime: Unitree Go2 Air, About 1–2 h; Petoi Bittle X, 1 h. Conditions vary; these figures do not establish which runs longer in the same use.
- Sold to US buyers: Unitree Go2 Air, not stated; Petoi Bittle X, yes.
Unitree Go2 Air in brief
The Unitree Go2 Air is available to order now at shop.unitree.com from $1,600 (Go2 Air (without controller)). The seller page says: “Order now and ship within 1 months.”
You drive Go2 from Unitree's app or an optional remote. Pro and X add offline voice commands and a mode that follows beside you. (unitree.com)
Keep you company: "simulating the behaviour of a real pet dog"
Petoi Bittle X in brief
The Petoi Bittle X is available to order now at petoi.com for $319. The seller page gives no delivery wording.
Petoi sells Bittle X as a robot dog to build and code. You program it in blocks, Python or C++, or control it by app, remote or voice. (petoi.com)