This list covers robot dogs that walk on four legs, from a $319 build it yourself kit to Sony's lifelike aibo and Unitree's lidar equipped Go2. They differ hugely in price, weight and purpose, so match the robot to whether you want a pet, a coding project or a real quadruped. How we score.
Athletic consumer robot dog with lidar, for adult tech fans
A real walking robot dog with lidar, from $1,600 plus shipping. Fauxhammer gave it 4/5. It weighs about 33 lb, Unitree says it is not a toy, and researchers found a Bluetooth security flaw in 2025.
Palm sized coding robot dog kit with offline voice commands
A palm sized robot dog you build and code, from $319 as a kit. Make: and others praised it for learning. About 1 hour of walking per charge and small parts make it better for ages 10 and up.
Sony's four legged robot dog with a growing personality
The most lifelike robot dog, now $3,199.99 with 3 years of cloud included, then $300 a year. Reviews date from 2019. Sony ended sales in Japan in 2026; US sales continue.
Ranked by our score: independent test results plus value for money. Affiliate links never change the order. Prices are checked daily and can change.