Oceaneering Freedom vs Oceaneering Millennium Plus
Head-to-head comparison of Oceaneering Oceaneering Freedom and Oceaneering Oceaneering Millennium Plus. Updated 2026.
Last updated: October 3, 2026
Overall Score
81.6/ 100
Oceaneering Freedom
Oceaneering
79.2/ 100
Oceaneering Millennium Plus
Oceaneering
Score Breakdown
88
Performance86
82
Reliability85
72
Ease of Use68
86
Intelligence72
75
Value72
78
Ecosystem85
85
Safety85
78
Design72
Specs Comparison
| Spec | Oceaneering Freedom | Oceaneering Millennium Plus |
|---|---|---|
| Price | $5,000,000 | $3,500,000 |
| Depth M | 3000 | 3000 |
| Docking | Subsea resident station | — |
| Mass Kg | 2800 | — |
| Sensors | Multibeam sonar, cameras, CP probes | — |
| Autonomy | Full autonomous + supervised | — |
| Endurance Hrs | 48 | — |
| Hp | — | 150 |
| Tms | — | Tether management system |
| Thrusters | — | 8 |
| Payload Kg | — | 350 |
| Manipulators | — | 2 |
| Manipulator Function | — | 7 |
Buyer Intelligence
| Metric | Oceaneering Freedom | Oceaneering Millennium Plus |
|---|---|---|
| Vendor Health Score | — | — |
| 5-Year TCO Estimate | $7,000,000 | $4,900,000 |
| Annual Maintenance | — | — |
| Support Model | — | — |
| Safety Certifications | — | — |