SpaceX · USA
JAXA / Mitsubishi Heavy Industries · Japan
| Starship | Metric | H3 |
|---|---|---|
| ~150,000 kg+809% | Payload to LEO | 16,500 kg |
| ~21,000 kg+223% | Payload to GTO | 6,500 kg |
| 121 m+112% | Height | 57 m |
| ~$600/kg+817% | Cost per kg | ~$5,500/kg |
| ~55% | Success Rate | +36%75% |
| 2023+0% | First Flight | 2024 |
| Yes | Reusable | No |
| SpaceX | Company | JAXA / Mitsubishi Heavy Industries |
| USA | Country | Japan |
Payload to Low Earth Orbit (LEO) — relative scale
Payload to Geostationary Transfer Orbit (GTO)
6
Starship wins
0
Tied
1
H3 wins
Starship delivers 809% more payload to LEO, making it the heavier lifter.
Starship is more cost-effective at ~$600/kg vs ~$5,500/kg.
H3 has a higher success rate (75% vs ~55%), indicating greater flight heritage.
Starship is reusable, which can significantly reduce long-term launch costs.
Overall, Starship wins on more metrics (6 vs 1), though each rocket is designed for different mission profiles.