K3 Indoor Security Robot vs SMP Robotics S5.2
Head-to-head comparison of Knightscope K3 Indoor Security Robot and SMP Robotics SMP Robotics S5.2. Updated 2026.
Last updated: May 13, 2026
Overall Score
73.2/ 100
K3 Indoor Security Robot
Knightscope
73.8/ 100
SMP Robotics S5.2
SMP Robotics
Score Breakdown
72
Performance74
72
Reliability78
80
Ease of Use76
78
Intelligence74
64
Value72
65
Ecosystem58
80
Safety80
74
Design68
Specs Comparison
| Spec | K3 Indoor Security Robot | SMP Robotics S5.2 |
|---|---|---|
| Price | $6,000 | $25,000 |
| Sensors | HD cameras, thermal, microphone array, badge reader | PTZ camera, thermal, ultrasonic, microphone, weather station |
| Height M | 1.22 | 0.9 |
| Ip Rating | IP44 | IP66 |
| Weight Kg | 159 | 140 |
| Connectivity | WiFi, 4G LTE, Bluetooth | WiFi, 4G, GPS |
| Max Speed Ms | 1 | 1.4 |
| Operating Temp | 0C to 40C | -30C to 50C |
| Battery Life Hours | 10 | 16 |
Buyer Intelligence
| Metric | K3 Indoor Security Robot | SMP Robotics S5.2 |
|---|---|---|
| Vendor Health Score | — | — |
| 5-Year TCO Estimate | $8,400 | $35,000 |
| Annual Maintenance | — | — |
| Support Model | — | — |
| Safety Certifications | — | — |