For casual contesting or HF listening, MRP40 is still fantastic. For decoding extreme flutter (e.g., EME moonbounce or aurora), the new AI models have a slight edge, but they require heavy computing power.
is not the newest, flashiest decoder, but it remains one of the most effective for real-world, imperfect Morse signals. If you struggle with weak, noisy, or poorly-sent CW, MRP40 is worth the price. For casual listening or perfect machine-sent code, free options like FLDIGI may suffice. mrp40 morse code decoder