Diet Coke vs Gold Peak Sweet Tea: which has more caffeine?

Gold Peak Sweet Tea carries more total caffeine per serving (48mg per 18.5 oz bottle vs 46mg per 12 oz can), but ounce for ounce Diet Coke is actually the stronger drink at about 4mg per fluid ounce against 3. Which one "has more caffeine" depends on whether you measure the container or the concentration.

These are different categories of drink, which changes how the caffeine arrives. Energy drinks and sodas list an exact number because caffeine is a measured additive; brewed drinks vary with the beans and the brew, so their figures are compiled averages. The numbers here are the standard published values for each.

Diet Coke vs Gold Peak Sweet Tea: the numbers

Sources: Diet Coke's figure is verified in our Diet Coke caffeine guide against Caffeine Informer (source); Gold Peak Sweet Tea's figure is verified in our Gold Peak Sweet Tea guide against Caffeine Informer (source).

Which one should you pick?

Pick Diet Coke when you want the lighter dose or a slower ramp, and Gold Peak Sweet Tea when you actually need the bigger hit and know your tolerance. If you are stacking either with other caffeinated drinks through the day, run the math against the 400mg reference rather than guessing.

For context, the FDA cites 400mg of caffeine a day as an amount generally not associated with negative effects in healthy adults. Tolerance and health vary, so treat these numbers as information, not advice.

Related reading

• Diet Coke: the full caffeine guide
• Gold Peak Sweet Tea: the full caffeine guide
• The verified caffeine database
• Every drink compared: the comparisons index

FAQ

Does Diet Coke or Gold Peak Sweet Tea have more caffeine? Gold Peak Sweet Tea: 48mg per 18.5 oz bottle versus 46mg per 12 oz can for Diet Coke.

Which is stronger per ounce? Diet Coke, at about 3.8mg per fluid ounce versus 2.6mg for Gold Peak Sweet Tea.