GRAVSPHERE2 recovery of the logarithmic density slope profile for the PlumCuspOM model with 10,000 LOS tracers, using an αβγ model (Eq. (33)) for the mass density profile instead of the default CORENFWTIDES model. The true profile (red) is recovered everywhere in the plot within the 95% CL region (green), yielding less bias than the CORENFWTIDES model, as expected since the mock was set up using an αβγ model.