Head to head

Ariane 64 vs Long March 3B/E

Two vehicles in the same payload class. Every figure below comes from the same two sources for both rockets, and a row appears only when both publish the input.

Payload to low Earth orbit

Relative

Ariane 64: 21,900 kg

Long March 3B/E: 12,000 kg

Side by side

7 comparable figures

The highlighted value wins the row. Rows where neither direction is better, like length or stage count, highlight nothing.

Metric	Ariane 64	Long March 3B/E
Flights flown	3	78
Success rate	100%	97.4%
Payload to LEO (kg)	21,900	12,000
Payload to GTO (kg)	11,700	5,500
Length (m)	63	56.3
Diameter (m)	5.4	3.35
Stages	2	3

Ariane 64

Flight record

100% success rate3 of 3 flown

Maiden flight 2026-06-17. Still flying.

Long March 3B/E

Flight record

97.4% success rate76 of 78 flown · 2 failed

2007peak 2025 · 13 flights2026

Maiden flight 2007-05-13. Still flying.

Ariane 64 is built by ArianeGroup of France (company profile on Space Index).Long March 3B/E is built by China Aerospace Science and Technology Corporation of China.

Full specifications and the complete launch history for each: Ariane 64 · Long March 3B/E.

Specifications from Launch Library 2 by The Space Devs, launch records from Space Index. Derived figures are computed here; see sources and method.