Which is the right speed for the use of the Thermomix® Cutter? The maximum speed is speed 4 while using the Thermomix® Cutter. Related articles Where do I find Simple Ideas on my TM6™? How to use the Thermomix® Cutter? How safe is the Thermomix® Cutter? How can I find recipes on Cookidoo® that I can use with the Thermomix® Cutter?