Creep rupture life prediction of superalloys is very important to ensure the safety of aerospace and power stations. However, the prediction is challenging due to high cost of time, materials and creep test. Here, we propose a multi-station compressive creep test method to predict and evaluate the long-term creep life efficiently and cheaply. Experiments were demonstrated on Co-based superalloy Co-Ni-Cr-W-Fe-Mn. Multi-station compressive creep tests were performed at 650 °C, 750 °C and 850 °C, tensile creep tests were also carried out under the same conditions. P parameter method is proposed to quantitatively establish the relationship between tensile minimum creep rate and compressive minimum creep rate, and compressive minimum creep rates from multi-station compressive creep tests were used to predict creep rupture life. Results show that predicted creep rupture life is well consistent with test data, and this method shows great potential for the evaluation and assessment of creep properties on high-temperature structural materials faster and cheaper.