Pepper comparison

Naga Viper vs Carolina Reaper

Carolina Reaper is roughly 1.3× hotter than Naga Viper.

Superhot1.3M–1.4M SHU
Naga Viper

From europe

Flavor
Fruity, slightly sweet entry that yields rapidly to intense, near-immediate heat with little build-up.
Color
Red
Best uses
Used in specialty UK hot sauces and ready meals (Tesco famously featured a Naga Viper curry) · Dried and powdered for extreme heat seasoning · Competition pepper eating
Pairs with
Slow-cooked curries, Cream-based sauces to balance, Indian and British-Indian fusion
Superhot1.4M–2.2M SHU
Carolina Reaper

From north america

Flavor
Fruity, sweet entry followed by the most intense sustained heat of any widely available pepper.
Color
Red
Best uses
Used in tiny quantities in superhot hot sauces · Dried and powdered for extreme spice blends · Competition cooking and eating challenges
Pairs with
Managed with dairy, Sweet fruit bases to balance, BBQ smoked meats

Quick verdict

Which one to use

  • If you want more heat: reach for Carolina Reaper (1.4M–2.2M SHU).
  • If you want manageable heat: use Naga Viper (1.3M–1.4M SHU).
  • For Naga Viper-style flavor: fruity, slightly sweet entry that yields rapidly to intense, near-immediate heat with little build-up.
  • For Carolina Reaper-style flavor: fruity, sweet entry followed by the most intense sustained heat of any widely available pepper.