8 robots in the database
Robot dogs compared
From $319 coding kits to $100,000 industrial quadrupeds. Here is every robot dog in our database with its checked price, what it is for, and where to buy it.
| Status | Battery | ||||
|---|---|---|---|---|---|
| Petoi Bittle X Petoi | From $319 | Available now | – | – | – |
| Hiwonder MechDog Hiwonder | $349.99 | Available now | – | – | – |
| Unitree Go2 Unitree Robotics | From $1,600 | Available now | – | 15 kg | 1–2 (EDU 2–4) h |
| Sony aibo (ERS-1000) Sony | About $2,900 (2018 US launch) | Available now | – | – | – |
| Deep Robotics Lite3 Deep Robotics | From about $3,800 | Available now | – | – | – |
| Unitree B2 Unitree Robotics | From $100,000 | Available now | – | 60 kg | 4–6 h |
| Tombot Jennie Tombot | $399–$1,500 (reports vary) | Pre-order | – | – | – |
| Boston Dynamics Spot Boston Dynamics | Ask sales | Business sales only | – | 33.8 kg | About 1.5 h |
Every robot dog in the database
Petoi Bittle X
Available nowFrom $319
A palm-sized, programmable robot dog kit for learning robotics and coding, from about $319.
Price & specs →
Hiwonder MechDog
Available now$349.99
An open-source ESP32 robot dog you can program with Scratch, Arduino or Python, from about $350.
Price & specs →
Unitree Go2
Available nowFrom $1,600
The robot dog most people can afford: LiDAR, tricks and an app, from $1,600.
Price & specs →
Sony aibo (ERS-1000)
Available nowAbout $2,900 (2018 US launch)
Sony's famous robot puppy: lifelike, expressive and designed purely as a pet. About $2,900 at US launch.
Price & specs →
Deep Robotics Lite3
Available nowFrom about $3,800
A mid-size research and education quadruped from Deep Robotics, a main Chinese rival to Unitree.
Price & specs →
Unitree B2
Available nowFrom $100,000
Unitree's industrial quadruped: 60 kg, IP67, and 4–6 hours of battery. A Spot alternative with a public price.
Price & specs →
Tombot Jennie
Pre-order$399–$1,500 (reports vary)
A lifelike robotic Labrador puppy designed for seniors and people living with dementia.
Price & specs →
Boston Dynamics Spot
Business sales onlyAsk sales
The industrial robot dog used for inspections in factories, power plants and construction sites. Business sales only.
Price & specs →
Which robot dog should you buy?
- Best all-rounder: Unitree Go2, from $1,600.
- Best robot pet: Sony aibo.
- Best for learning robotics: Petoi Bittle X or Hiwonder MechDog.
- For seniors: Tombot Jennie, designed for dementia care.
- For industry: Boston Dynamics Spot or Unitree B2.
FAQ
Questions people ask
How much does a robot dog cost?
Coding kits like the Petoi Bittle X start around $320. The Unitree Go2, the most popular 'real' robot dog, is $1,600–$4,500. Sony's aibo pet was about $2,900 at US launch. Industrial robot dogs like Unitree's B2 ($100,000) and Boston Dynamics' Spot (quote only) cost far more.
What is the best robot dog?
It depends on what you want. For tricks, LiDAR and an app, the Unitree Go2 Pro. For a lifelike pet, Sony aibo. For learning to code, Petoi Bittle X or Hiwonder MechDog. For industrial inspection, Boston Dynamics Spot or Unitree B2.
Can I buy Boston Dynamics' Spot?
Only as a business, through Boston Dynamics' sales team. There is no public price; the $74,500 often quoted was the 2020 launch price for the base robot.