Here is a comparison of Ariane’s Themis prototype in 2025 and SpaceX’s Grasshopper tests (2012–2013) and the early Falcon 9 reusability program (2013–2016). Ariane is 13 years behind SpaceX. SpaceX had low-risk suborbital hops on Grasshopper. Had more advanced F9R Dev vehicle in 2014 and then landed boosters after commercial payloads were sent to orbit. ...

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Link :
https://www.nextbigfuture.com/2025/09/ariane-themis-reusable-rocket-2025-prototype-vs-spacex-grasshopper-2012.html