Comparison
American IPA vs Session IPA
What is the difference between American IPA and Session IPA?
The short answer
The main difference is alcohol warmth: American IPA has a little more of it than Session IPA. American IPA also leads on yeast fruitiness (esters), bread & biscuit and stone fruit.
Generated from the two style records. No editor has written this comparison up, so it carries no verdict beyond what the data supports.
Where they overlap
They share comparable bitterness, body, hop aroma, the same style family — the boundary between them is narrower than the comparison suggests.
Side by side
| American IPA | Session IPA | |
|---|---|---|
| Family | IPA | IPA |
| Fermentation | Top-fermented (ale) | Top-fermented (ale) |
| Origin | United States | United States |
| Category status — One of these is a more settled category than the other, which is worth knowing before treating the comparison as exact. | Established | Emerging |
| Strength | 5.5–7.5% ABV | 3.5–5% ABV |
| Bitterness (IBU) — IBU measures iso-alpha acids in the lab. It does not track perceived bitterness, which residual sweetness, body and roast all alter — compare the sensory rows below for how each actually tastes. | 40–70 IBU | 30–55 IBU |
| Colour | Gold to light amber — 6–14 SRM, 12–28 EBC | Straw to gold — 4–8 SRM, 8–16 EBC |
| Original gravity | 1.056–1.070 | 1.036–1.048 |
| Final gravity | 1.008–1.014 | 1.006–1.012 |
| Serving temperature | 7–10°C | 6–9°C |
| Carbonation | 2–3 vol CO₂ | 2–3 vol CO₂ |
| Glassware | Tulip glass, Teku glass, Nonic pint | Nonic pint |
| Clarity | clear | variable |
How they taste different
| Character | American IPA | Session IPA |
|---|---|---|
| Alcohol warmth | Trace–Low | Not characteristic |
| Yeast fruitiness (esters) | Trace–Low | Not characteristic |
| Bread & biscuit | Low | Not characteristic |
| Stone fruit | Low–Moderate | Not characteristic |
| Floral | Low | Not characteristic |
| Caramel & toffee | Trace | Not characteristic |
| Resin & pine | Moderate–High | Low |
Which should you choose?
- You want more alcohol warmth → American IPA
- You want something more restrained — less alcohol warmth and yeast fruitiness (esters) → Session IPA
Derived from where the two actually differ. Neither is better — this is a question of which difference you want.