Boston Dynamics · robot dog
SpotMini
A 25 kg all-electric quadruped (30 kg with its arm) that ran about 90 minutes per charge. Boston Dynamics called it one of its quietest robots.
- Price
- —prototype; redesigned into the commercial Spot
- Height
- —Not published
- Weight
- 25 kgHeavier than 46%
- Payload
- —Not published
- Speed
- —Not published
- Battery
- 1.5 hRuns longer than 12%
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Why it matters
Boston Dynamics' first all-electric quadruped and the direct ancestor of commercial Spot; a 2018 video showed it opening a door with its arm.
Real-world use
No customers or deployments reported yet.
Maker
Boston DynamicsCompany · founded 1992 · Waltham, Massachusetts, United StatesOwned by Hyundai Motor Group since June 2021 (80% stake bought from SoftBank for about $880M; SoftBank kept about 20%).
How it stacks up
Against other robot dogs that publish the figure. Pick a measure.
SpotMini is heavier than 46% of the 41 other robot dogs that publish a weight. Bars show the 7 closest in date.
SpotMini runs longer than 12% of the 25 other robot dogs that publish a battery. Bars show the 7 closest in date.
Not published by the maker: height, speed, payload, joints, price.
Public attention
A historic robot: no longer sold or in use, so it is not ranked against current machines.
- 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 2026-10-13; same method for every robot. How it is measured
What’s inside
The parts the company has talked about publicly.
- Movement
- Walks on legs
- How it runs
- Assisted. An operator supplied high-level guidance in some demonstrations while the robot maintained balance; other demonstrations showed autonomous navigation through mapped environments.
- Actuators & motors
- All-electric, no hydraulics
- Hands
- Optional head-mounted arm with a camera in its gripper
- Sensors & vision
- Depth cameras, MultiSense S7 front camera, Velodyne VLP-16 lidar at the rear, IMU and limb proprioception
- Battery & power
- About 90 minutes per charge
- Other details
- 25 kg (30 kg with arm)
Lineage
Every Boston Dynamics machine in order.
RHex2001Research
BigDog2005Retired
LittleDog2005Retired
RiSE2006Retired
Sand Flea2012Retired
LS3 (Legged Squad Support System)2012Retired
Cheetah2012Retired
WildCat2013Retired
Spot (now called Spot Classic)2015Retired- SpotMini2016Retired
Handle2017Retired
Handle (logistics version)2019Retired
Spot2019Commercial
Stretch2021Commercial
Spot Enterprise and Spot Arm2021Commercial
Boston Dynamics also makes 5 humanoids. See every Boston Dynamics robot
Watch SpotMini
Made, sold and where
Unit counts are usually company figures; analysts often disagree.
- Price
- Not publishedprototype; redesigned into the commercial Spot
- How to get one
- No official buying page found
- Built
- Prototype
- Sold or delivered
- not sold; redesigned into the commercial Spot
News
The latest 2, newest first. Summaries are ours; tap through for the original.
- SpotMini commercial production plans
Marc Raibert said the robot was in pre-production with about 100 to be built ahead of sales in 2019.
TechCrunch - Boston Dynamics reveals SpotMini
IEEE Spectrum analysed the new quiet, all-electric SpotMini and its optional arm.
IEEE Spectrum
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