JAXA SLIM vs NASA Perseverance
Head-to-head comparison of NASA JPL JAXA SLIM and NASA JPL NASA Perseverance. Updated 2026.
Last updated: September 29, 2026
Overall Score
75.3/ 100
JAXA SLIM
NASA JPL
82.5/ 100
NASA Perseverance
NASA JPL
Score Breakdown
82
Performance90
75
Reliability88
55
Ease of Use60
85
Intelligence88
78
Value72
68
Ecosystem85
82
Safety90
72
Design85
Specs Comparison
| Spec | JAXA SLIM | NASA Perseverance |
|---|---|---|
| Price | $120,000,000 | $2,700,000,000 |
| Power | Solar | Multi-Mission RTG 110W |
| Agency | JAXA | — |
| Mass Kg | 590 | 1025 |
| Achievement | Precision pinpoint landing | — |
| Mini Rovers | 2 | — |
| Landing Site | Shioli crater | — |
| Landing Accuracy M | 100 | — |
| Wheels | — | 6 |
| Cameras | — | 23 |
| Mission | — | Mars Sample Return cache |
| Dimensions | — | 3m x 2.7m x 2.2m |
| Instruments | — | 7 |
| Top Speed Cmps | — | 4.2 |
Buyer Intelligence
| Metric | JAXA SLIM | NASA Perseverance |
|---|---|---|
| Vendor Health Score | — | — |
| 5-Year TCO Estimate | $168,000,000 | $3,780,000,000 |
| Annual Maintenance | — | — |
| Support Model | — | — |
| Safety Certifications | — | — |