Size matters – For most families, the 6-quart size is the sweet spot. Smaller (3-5 qt) is good for 1-2 people or side-dishes; larger (8 qt+) is ideal for batch cooking, big families or bulk beans/legumes. 
2. Core functions & features – Decide what you’ll actually use: pressure cooking, slow cooking, sautéing, yogurt-making, sous-vide, even air-frying. More functions = higher cost. 
3. Safety & build quality – Modern Instant Pots include lid-lock, anti-blockage steam valves, reliable sealing rings and durable stainless steel inner pots. These ensure safe, consistent performance. 
4. Kitchen space & workflow – Remember these machines need countertop or cupboard space. A larger model takes longer to pressurise and more liquid to operate. 
5. Match the model to your cooking habits – If you’re mainly cooking staples (rice, beans, stews) a simpler model is fine. If you want speciality modes (yogurt, sous-vide, air-fry) opt for the higher-end