Choose a Robot Dog by What You Want to Do
Robot dogs range from toys that cost a few thousand yen to home models near ¥480,000. Whether you want a family companion, a way to learn programming, or the latest robotics to play with changes the right choice completely.
This guide compares eight robot dogs we have reviewed individually, by price, purpose and how easy they are to buy in Japan.
Key Takeaways
Eight Models in Four Types
| Type | Best for | Models |
|---|---|---|
| Home companion | Living with a robot dog like a family member | aibo, Vbot SuperDog |
| Advanced quadruped | Trying the latest quadruped robotics | Unitree Go2, Hengbot Sirius |
| Learning and development | Learning programming, AI and robotics | Mini Pupper 2, Petoi Quaddle, Gogobot D1 |
| Easy toy | Trying a robot dog at a low price | Dog-E |
Quick Take
- For a home robot dog with local support in Japan, aibo is the realistic choice
- To try the latest movement, look at Unitree Go2 or Hengbot Sirius, but check imports and warranty first
- For kids' learning, Petoi Quaddle or Mini Pupper 2 are built for assembly and programming
- To start cheaply, a toy like Dog-E is an easy way in
Comparison Table
| Model | Price guide | Type | Buying in Japan |
|---|---|---|---|
| aibo | From ¥217,800 plus from ¥3,278/month (Basic plan) | Home companion | Sold officially in Japan |
| Vbot SuperDog | From €2,988 (about ¥480,000) | Home companion, practical | No Japanese sales information |
| Unitree Go2 | Air about $1,600+, Pro about $2,800+ | Advanced quadruped | Authorized sellers in Japan (prices differ) |
| Hengbot Sirius | From $859 on Kickstarter, about $1,299 as reported | Advanced quadruped | Mostly overseas direct sales |
| Mini Pupper 2 | From ¥65,900 (tax included), planned retail ¥109,116 | Learning and development | Yen pricing available |
| Petoi Quaddle | Kickstarter early price from $99 (MSRP from $149) | Learning and development | Backing and overseas shipping |
| Gogobot D1 | Kickstarter early price from $239 (MSRP about $469) | Learning and development | Overseas shipping |
| Dog-E | About $70 (about ¥11,000–13,000) | Easy toy | Mostly parallel imports |
Yen figures use roughly 160 yen per dollar. Some prices come from the date each review was published, so confirm current prices before buying.
Home Companion Robot Dogs
aibo (Sony)
Sony's aibo is the best-known robot dog. It is loved for dog-like gestures and responses that develop with the owner. The body starts at ¥217,800, and a plan from ¥3,278/month is also needed, so costs grow over time. Being sold and supported in Japan is an advantage no other robot dog here can match.
Vbot SuperDog
A practical home robot dog from China's Vbot. It features autonomous following, a 12 kg payload and voice interaction, with European preorders starting at €2,988 for Standard. Japanese sales and support are not confirmed.
Advanced Quadruped Robot Dogs
Unitree Go2
Unitree Robotics' quadruped is popular with researchers and gadget fans. Air starts around $1,600 and Pro around $2,800, which is affordable for this kind of robot. In Japan, authorized sellers add import costs and warranty, so prices differ.
Hengbot Sirius
A small, trainable AI robot dog that raised $912,768 on Kickstarter. Hands-on reviews have flagged issues with falls, connection and voice control. Beyond price, check repairs, spare parts and support.
Learning and Development Robot Dogs
Mini Pupper 2
A palm-sized quadruped that supports ChatGPT and ROS2. The DIY kit starts at ¥65,900 (tax included) and can run research-style demos such as LiDAR autonomous navigation. Using generative AI adds API usage fees.
Petoi Quaddle
A small open-source quadruped with four servos. The Kickstarter early price starts at $99 (MSRP from $149), a very low entry price for a quadruped. It suits kids' STEM learning, though it is not aiming for lifelike dog behavior.
Gogobot D1
A palm-sized AI robot dog that far exceeded its Kickstarter goal. Beginners can use visual programming, and an EDU version is available for developers. The Kickstarter early price was from $239, with a planned retail price around $469. Check delivery timing and current availability before buying.
Easy Toy Robot Dogs
Dog-E
An interactive robot dog from toy maker WowWee. At about $70 (roughly ¥11,000–13,000) in North America, it offers 200+ reactions, built-in games and an app for raising it. It is not a serious quadruped, but it is an easy first step into robot dogs.
Three Things to Check Before Choosing
1. Can You Get Support in Japan?
Robot dogs have many parts that can fail, such as joints and batteries. If you import one, check repairs, warranty and radio certification. Local availability matters if you want to avoid a robot you cannot get fixed.
2. Dog-Like Feel or Easy to Develop On?
For living with a robot, aibo or a home-oriented model fits better. For learning programming and AI, open platforms like Mini Pupper 2 and Petoi Quaddle are easier to work with.
3. Look at Total Cost, Not Just the Price
aibo's monthly plan, Mini Pupper 2's API fees, and shipping and duties on overseas models all change the real cost. Compare monthly fees, consumables and repairs before buying.
If You Want a Companion That Does Not Roam, Consider Mia
Robot dogs are valuable because they move. That also means higher prices and more attention to space and safety.
Mia does not roam, but it focuses on daily conversation. It speaks 47 Japanese dialects, reacts with 100+ expressions, and uses Google Calendar integration and weather updates to start everyday conversations. It also offers 15 English characters, so kids and families can enjoy it too. At ¥9,800 (tax included) and up, it costs far less than most robot dogs.
If you want an easy first step as a conversation partner rather than a full robot dog, Mia is worth comparing.
👇 Mia, the talking cat robot that speaks 47 Japanese dialects
FAQ
Which robot dogs can I buy in Japan?
aibo is the main one sold and supported officially in Japan. Unitree Go2 has authorized sellers, with prices to be confirmed. Others are mostly overseas direct sales or parallel imports.
Which is best for kids?
For learning programming and assembly, Petoi Quaddle, Mini Pupper 2 and Gogobot D1 are candidates. For simple play, a toy like Dog-E works.
Which feels the most like a dog?
For dog-like gestures and growth in a home setting, aibo. Sirius and Unitree Go2 have strong movement performance, but they lean toward a technology experience.
Are they good companions for older adults?
Roaming robot dogs need extra care around steps and safety. For conversation-focused companions, see our comparison articles for older adults.
Summary
Robot dogs split into home companions, advanced quadrupeds, learning platforms and easy toys, and the right choice depends on your goal. For safe use in Japan, aibo has local support. For tech experiments, overseas advanced quadrupeds fit. For learning, Petoi Quaddle or Mini Pupper 2. To start cheaply, Dog-E.
For any of them, check repairs, warranty and total cost, not just the price. If you do not need a roaming robot and want daily conversation, an affordable cat robot like Mia is also worth comparing.
👀 You may also like
👉 Unitree Go2 Review
👉 Hengbot Sirius Review
👉 Vbot SuperDog Review
👉 Petoi Quaddle Review
👉 Mia, the AI pet robot that speaks 47 Japanese dialects
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👉 Mia – Your Chatty AI Cat Companion Robot with 100+ Expressions
