An artificial intelligence cooking device can include an output interface; a heater configured to heat ingredients contained in a cooking vessel; a sensor comprising at least one of a weight sensor configured to detect a weight of the cooking vessel containing the ingredients or a vibration sensor configured to detect a vibration signal of the ingredients contained in the cooking vessel; and a processor configured to obtain cooking information including at least one of cooking behavior information or state information about the ingredients by using data obtained by the sensor; and output a guide based on the cooking information through the output interface.