Dunkin hot coffee (medium) has more caffeine than Starbucks Chai Latte on both counts: 210mg per 14 oz medium against 95mg per 16 oz grande, and about 15mg per fluid ounce against 6. The serving sizes differ, so the table below shows both ways of counting.
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.
Starbucks Chai Latte vs Dunkin hot coffee (medium): the numbers
| Starbucks Chai Latte | Dunkin hot coffee (medium) | |
|---|---|---|
| Caffeine per serving | 95mg per 16 oz grande | 210mg per 14 oz medium |
| Caffeine per fl oz | 5.9mg | 15.0mg |
| Servings to reach 400mg (FDA context) | 4.2 | 1.9 |
Sources: Starbucks Chai Latte's figure is verified in our Starbucks Chai Latte caffeine guide against Starbucks nutrition listing (source); Dunkin hot coffee (medium)'s figure is verified in our Dunkin hot coffee (medium) guide against Tasting Table / Dunkin figures (source).
Which one should you pick?
Pick Starbucks Chai Latte when you want the lighter dose or a slower ramp, and Dunkin hot coffee (medium) 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
- Starbucks Chai Latte: the full caffeine guide
- Dunkin hot coffee (medium): the full caffeine guide
- The verified caffeine database
- Every drink compared: the comparisons index
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Gear from this guide
FAQ
Does Starbucks Chai Latte or Dunkin hot coffee (medium) have more caffeine? Dunkin hot coffee (medium): 210mg per 14 oz medium versus 95mg per 16 oz grande for Starbucks Chai Latte.
Which is stronger per ounce? Dunkin hot coffee (medium), at about 15.0mg per fluid ounce versus 5.9mg for Starbucks Chai Latte.
Comparing caffeine? The caffeine comparison tool puts hundreds of drinks side by side, and the caffeine curfew calculator can check your cutoff time for tonight.
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