What is the hottest chili pepper in the world? According to Guinness World Records, as of 2013, it is the Carolina Reaper, and it’s no joke. In terms of Scoville Heat Units (SHU), the Carolina Reaper scores about 1,569,300. The average jalapeno pepper hovers between 2,500 and 8,000 SHU, signifying the intensity of the Reaper. …