Knifefish vs SM300-NG
Northrop Grumman vs Sea Machines Robotics — specs, price, and data-backed comparison.
SPECIFICATIONS COMPARED
| Knifefish | SM300-NG | |
|---|---|---|
| Company | Northrop Grumman | Sea Machines Robotics |
| Category | Marine | Marine |
| Price: | Not announced | Not announced |
| Released: | — | 2025 |
| Weight | ~770 kg | — |
| Battery Life | ~16 – 24 hours (mission dependent) | — |
| Connectivity | Acoustic underwater communication | — |
| Software / AI | Autonomous naval mission control | — |
FREQUENTLY ASKED QUESTIONS
What is the difference between the Knifefish and the SM300-NG?
Knifefish is made by Northrop Grumman, while SM300-NG is made by Sea Machines Robotics. Both are marines, so the differences come down to price and specifications.