Unitree Robotics · robot dog
A2
Stellar Hunter
A 37 kg quadruped with front and rear lidar and hot-swappable batteries. It walks 3 hours (12.5 km) carrying 25 kg and can climb a 1 m step. A wheeled A2-W version is offered.
- Price
- —not disclosed at launch
- Height
- —Not published
- Weight
- 37 kgHeavier than 59%
- Payload
- 25 kgCarries more than 70%
- Speed
- 18.0 km/hFaster than 76%
- Battery
- 3 hRuns longer than 64%
Not sure this is the one? Find the best robot for your job Starts with: patrol and inspect. Five more quick questions.
Why it matters
A2 (Stellar Hunter) is on the market today.
Real-world use
Aimed at inspection, logistics, rescue and research
Maker
Unitree RoboticsCompany · founded 2016 · Hangzhou, ChinaPublic company: listed on Shanghai's STAR Market on 19 Aug 2026 (688836.SH), raising about 6.1 billion yuan at 150.80 yuan a share; earlier…
How it stacks up
Against other robot dogs that publish the figure. Pick a measure.
A2 (Stellar Hunter) is heavier than 59% of the 41 other robot dogs that publish a weight. Bars show the 7 closest in date.
A2 (Stellar Hunter) is faster than 76% of the 34 other robot dogs that publish a speed. Bars show the 7 closest in date.
A2 (Stellar Hunter) carries more than 70% of the 27 other robot dogs that publish a payload. Bars show the 7 closest in date.
A2 (Stellar Hunter) has more joints than 0% of the 23 other robot dogs that publish a joints. Bars show the 7 closest in date.
A2 (Stellar Hunter) runs longer than 64% of the 25 other robot dogs that publish a battery. Bars show the 7 closest in date.
Not published by the maker: height, price.
Public attention
How much public attention A2 (Stellar Hunter) gets, from open data.
- No Wikipedia article of its own yet
- 2 news stories from reputable press listed on this page
Measures how much people read and write about a robot, not how good it is. Measured 2026-10-14; same method for every robot. How it is measured
What’s inside
The parts the company has talked about publicly.
- Movement
- Walks on legs · 12 joints
- How it runs
- Assisted. Usually steered with a remote while it balances and handles terrain itself; autonomous patrol needs added software.
- Actuators & motors
- 12 leg joint motors with industrial crossed roller bearings; about 180 N·m peak joint torque; wheel-leg option
- Sensors & vision
- Two industrial lidars (front and rear; one on the base model), HD camera, front light; microphone array
- Compute
- 8-core CPU for the platform plus Intel Core i7 for user development; optional high-compute expansion dock
- Battery & power
- Hot-swappable dual batteries, 9,000 mAh (453.6 Wh) each at 50.4 V; about 5 h / 20 km unloaded or 3 h / 12.5 km with 25 kg
- AI & software
- Open platform for secondary development
- Other details
- About 37 kg; carries 25 kg walking; works from -20 to 55 C.
Lineage
Every Unitree Robotics machine in order.
XDog2016Retired
Laikago2017Discontinued
AlienGo2019Discontinued
A12020Discontinued
B12021Discontinued
Go12021Discontinued
Go22023In service
B22023Commercial- No public photo yetWe only show photos we're allowed to useRifle-armed robot dog (Golden Dragon 2024)2024Prototype
Go2-W2024Commercial
B2-W2024Commercial- No public photo yetWe only show photos we're allowed to useA2 (Stellar Hunter)2025Commercial
As22026Commercial
Unitree Robotics also makes 8 humanoids. See every Unitree Robotics robot
Watch A2 (Stellar Hunter)
Made, sold and where
Unit counts are usually company figures; analysts often disagree.
- Price
- Not publishednot disclosed at launch
- How to get one
- No official buying page found
- Where it is sold or used
- Unitree Robotics, Hangzhou, China
- Customers and pilots
- Aimed at inspection, logistics, rescue and research
News
The latest 2, newest first. Summaries are ours; tap through for the original.
- US bans new foreign-made robot dogs
The FCC barred imports of new foreign-made humanoids and robot dogs on security grounds, a move aimed mainly at Chinese makers such as Unitree.
TechCrunch - Unitree launches A2 with front and rear lidar
Unitree released the mid-size A2 industrial quadruped with dual lidar and hot-swap batteries.
The Robot Report
Side by side with its peers
Picked by the same rules for every robot: another maker’s robot that moves the same way, is at the same stage and does at least one of the same main jobs, first shown within two years. Closer size and price rank higher. How we choose
| Measure | No public photo yetWe only show photos we're allowed to useA2 (Stellar Hunter)Unitree Robotics |  Trakr 2.0Addverb (Reliance Industries)Same job: inspection · Both walk · Both on sale or in pilots |  Gangbeng L1Genisom AI (ZSIBOT, 智身科技)Same job: inspection · Both walk · Both on sale or in pilots |  RBQ-10Rainbow RoboticsSame job: inspection · Both walk · Both on sale or in pilots |
|---|---|---|---|---|
| First shown | 2025-08 | 2025-02-13 | 2025 | 2024 |
| Status | Commercial | Commercial | Commercial | Commercial |
| Height | — | — | — | 62 cm |
| Weight | 37 kg | — | 15 kg | 42 kg |
| Joints | 12 | — | — | — |
| Speed | 18 km/h | — | — | 14 km/h |
| Payload | 25 kg | 20 kg | — | 15 kg |
| Battery | 3 h | 1.5 h | — | 2 h |
| Price | — | — | — | — |
Sources
Figures come from press coverage. Every link below backs something on this page.
Photos and logos only identify each robot and its maker. Simbeing is not affiliated with, sponsored by or endorsing any company, and nothing here is advertising. Figures are for statistics only and are not advice of any kind. Terms of use