Yes, you can certainly make soup in a Vitamix blender, and it is one of the features that many users love. Vitamix blenders are designed to create hot soups using the friction generated by the blades. When you blend your ingredients at a high speed for several minutes, the heat from the blades can warm up the mixture, resulting in a delicious, creamy soup without the need for a stovetop. You can use fresh vegetables, broth, and seasonings to create a variety of soups. Some Vitamix models even come with a preset program specifically for hot soups to make the process even easier. Just remember to follow the recommended quantities and blending times for the best results. For more specific recipes or tips, the current Vitamix website may have a wealth of information that you might find helpful.