Compare rockets
Pick up to 4 vehicles to compare specs and flight records side by side. Browse all →
| Specification | Firefly Alpha Firefly Aerospace × remove | Falcon 9 Block 5 SpaceX × remove | Electron Rocket Lab × remove |
|---|---|---|---|
| Flights | 7 | 611 | 91 |
| Success rate | 57.1% | 99.8% | 95.6% |
| Thrust | 736 kN | 7,607 kN | 162 kN |
| Height | 29.6 m | 70 m | 18 m |
| Diameter | 1.82 m | 3.65 m | 1.2 m |
| Launch mass | 54 t | 549 t | 13 t |
| LEO capacity | 1,000 kg | 22,800 kg | 300 kg |
| GTO capacity | — | 8,300 kg | — |
| Launch cost | $15M | $52M | $6M |
| Reusable | No | Yes | No |
| Stages | 2 | 2 | 3 |