Grapes is ~4× as filling per calorie as Raisins
Score 50 vs 12 on the satiety-per-calorie scale.

Grapes
50moderately filling · 67 kcal /100 g

Raisins
12engineered against fullness · 301 kcal /100 g
Same fullness, very different calories
Roughly what it costs to reach the fullness of 300 kcal of raisins:
Raisins~300 kcal · ~100 g
300 kcal
Grapes~73 kcal · ~109 g
73 kcal
A rough guide, not a lab measurement — it treats fullness per calorie as constant across portion sizes, which is a simplification. How the score works.
Why they score differently
Protein
Grapes
21
Raisins
24
Low energy density
Grapes
79
Raisins
34
Fiber
Grapes
31
Raisins
27
Hyper-palatability penalty
Grapes
−0%
Raisins
−64%
The numbers
| Per 100 g | Grapes | Raisins |
|---|---|---|
| Score | 50 | 12 |
| Energy | 67 kcal | 301 kcal |
| Protein | 0.6 g | 3.3 g |
| Fat | 0.3 g | 0.2 g |
| Carbohydrate | 17.2 g | 80.0 g |
| …of which sugars | 16.2 g | 65.7 g |
| Fiber | 0.9 g | 3.3 g |
| Sodium | 2 mg | 24 mg |
Satiety per calorie, not a virtue scale — neither food is forbidden.