Pick up to 4 launch vehicles to compare side-by-side. State lives in the URL — share the link and the comparison loads exactly as you left it.
The global launch market reached $14.1 billion in 2024 — up 34% since 2021.
| Attribute | |||
|---|---|---|---|
| Company | Relativity Space | CASC / CALT | Firefly Aerospace / Northrop Grumman |
| Country | 🇺🇸 USA | 🇨🇳 China | 🇺🇸 USA |
| Status | In Development | Active | In Development |
| Vehicle class | Heavy | Medium | Medium |
| Propellant | LOX / methane | RP-1 / LOX (YF-100 + YF-115) | RP-1 / LOX |
| Reusable | Yes | No | Yes |
| Stages | 2 | 2 | 2 |
| First flight | 2026 | 2016 | 2027 |
| Payload to LEO | 33,500 kg expendable / 23,500 kg with a reusable first stageas of [1]First flight targeted 2026 (stated plan, not yet confirmed flown as of this research). ↑ Best | 13,500 kgas of [1]SSO capacity ~5,500 kg | 16,000+ kgas of [1]5 m fairing. Renamed from 'Medium Launch Vehicle' (MLV) to 'Eclipse' in May 2025 alongside the Northrop Grumman partnership. First stage (7 Miranda engines) designed for reuse from roughly the 6th flight onward; second stage uses one Vira engine. First flight targeted 2027 — stated plan, not yet flown. |
| Payload to GTO | — | — | — |
| Height | 87 mas of [1] ↑ Best | 53.1 mas of [1] | — |
| Liftoff mass | — | 597 tas of [1] ↑ Best | — |
| Success rate | — | 100%as of [2]12/12 missions, all Tianzhou ISS resupply or CZ-7 tech demo flights ↑ Best | — |
| Total flights | — | 12as of [2]Most recently Tianzhou-10 cargo to Tiangong (May 11, 2026) ↑ Best | — |
| Cost / kg LEO | ~$55M per launch (estimate)as of [1]Total launch price estimate, not a per-kg figure. ↓ Cheapest | — | — |
| Summary | Relativity Space's Falcon-9-class successor to Terran 1, partially 3D-printed, with 13 Aeon R methalox engines on a reusable first stage; second stage and fairing expendable. | China's workhorse medium-lift rocket, used exclusively for Tianzhou automated cargo missions to the Tiangong space station. Designed to replace the Long March 2F for high-cadence LEO/cargo missions. Uses the same YF-100 engines as Long March 5's boosters. | A medium-lift successor to Firefly's Alpha, co-developed with Northrop Grumman, aimed at the national-security and commercial medium-lift gap between small launchers and heavy-lift vehicles. |
48 launch vehicles across 10 countries — active, retired, and in development — with primary-source citations from manufacturer user guides and agency press kits. Pure URL state: bookmark or share the link and the comparison reproduces exactly.