Exoplanet detection limits from our neural network framework in the case of HARPS-N solar spectra. We derived the detection limit map by injecting simulated circular planetary signals covering periods ranging from 10 to 550 days and semi-amplitude ranging from 0.1 to 0.5 m s⁻¹, into the solar data. Left: detection limit map in the period-amplitude domain. The red dots indicate the successful detection by the trained neural network with FAP >0.1%. Middle: amplitude comparison between the injected and recovered signals in the period-amplitude domain. The amplitude difference for most of the recovered signals are <20%. The large difference at low amplitude (0.1 m s⁻¹) is likely due to noise in the data. Right: phase comparison between the injected and recovered signals in the period-amplitude domain. The phase difference for most of the recovered planets is <0.04. The large differences at long periods is likely due to a poorer sampling of the phase for long-period planetary signals.