The Oracle is versatile in handling various coffee beans: Its 45 grind settings allow for fine-tuning to suit different roast levels and bean origins. The PID temperature control helps optimise extraction for both light and dark roasts. Users can adjust dose, pre-infusion time, and extraction duration to suit different beans. However, very oily beans may occasionally cause issues with the grinder. While it performs well with a wide range of beans, some experimentation may be needed to find the optimal settings for each variety.