@tomber42
These 2 models have been developed by Météo France.
Arome has a high resolution of 1.25km and 2.5km. It covers mainly France. Forecasts are up to 44h (Approx. 2 days)
Arpège has a resolution of 10km over Europe and 27km for the global version with forecast up to 114h (approx. 5 days)
There is free access to these models.