Humanoid & robot atlas
K3
Photo: Knightscope (official image), from knightscope.com. Image policy
CommercialUnited StatesFully autonomous

Knightscope · military or security robot

K3

A smaller indoor version of Knightscope's patrol robot.

Price
—Not published
Height
—Not published
Weight
—Not published
Payload
—Not published
Speed
—Not published
Battery
—Not published

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

K3 is on the market today.

Real-world use

No customers or deployments reported yet.

Timeline

First shown
2016
Released
2016
K3 announced at ISC West in 2016

Maker

KnightscopeCompany · founded 2013 · Mountain View, California, USA

Crowdfunded; Nasdaq-listed (KSCP) since January 2022

Public attention

How much public attention K3 gets, from open data.

  • No Wikipedia article of its own yet
  • No recent press stories listed yet

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
Wheeled base
How it runs
Fully autonomous. It patrols indoor areas by itself, while security staff watch its alerts remotely.
Other details
Smaller indoor version of Knightscope's autonomous patrol robot

Lineage

Every Knightscope machine in order.

  1. K5K52015Commercial
  2. K3K32016Commercial
  3. K7K72017Commercial
  4. K5 (5th generation, K5v5)K5 (5th generation, K5v5)2023Commercial

Watch K3

Video: The Wall Street Journal (@wsj) on YouTube. Plays from youtube-nocookie.com when you press play.

Made, sold and where

Unit counts are usually company figures; analysts often disagree.

Price
Not published
How to get one
No official buying page found
Sold or delivered
Offered as a subscription service

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. Few robots match closely, so these are the nearest matches. How we choose

Full comparison
MeasureK3K3KnightscopeCobalt indoor security robotCobalt indoor security robotCobalt RoboticsSame job: indoor security patrol · Both on wheels · Both on sale or in pilots
First shown20162017-03-01
StatusCommercialCommercial
Height—155 cm
Weight—68 kg
Joints——
Speed—9.7 km/h
Payload——
Battery—8 h
Price——

Sources

Figures come from public sources. Every link below backs something on this page.

Knightscope (SEC filing) Knightscope 2017 Annual Report: K3 Indoors Knightscope Knightscope

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