Head to head

Ariane 44L vs Ariane 64

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 44L: 10,200 kg

Ariane 64: 21,900 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 44L	Ariane 64
Flights flown	40	3
Success rate	97.5%	100%
Payload to LEO (kg)	10,200	21,900
Payload to GTO (kg)	4,950	11,700
Length (m)	58.7	63
Diameter (m)	3.8	5.4
Stages	2	2

Ariane 44L

Flight record

97.5% success rate39 of 40 flown · 1 failed

1989peak 2002 · 6 flights2003

Maiden flight 1989-06-05. Retired.

Ariane 64

Flight record

100% success rate3 of 3 flown

Maiden flight 2026-06-17. Still flying.

Ariane 44L is built by Aérospatiale of France (company profile on Space Index).Ariane 64 is built by ArianeGroup of France (company profile on Space Index).

Full specifications and the complete launch history for each: Ariane 44L · Ariane 64.

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