There is provided a cultivation support system including a cultivation condition acquisition unit configured to acquire a plurality of cultivation conditions for cultivating a plant; a cultivation result acquisition unit configured to acquire a plurality of cultivation results in a cultivation of the plant; a class estimation unit configured to classify the plurality of cultivation conditions into a plurality of classes; and a calculation unit configured to calculate a reliability in each of the plurality of classes for a model that predicts a cultivation result from a cultivation condition by using the plurality of cultivation conditions and the plurality of cultivation results. The cultivation support system includes a model generation unit configured to generate the model that predicts the cultivation result from the cultivation condition.