Grapes is ~3× as filling per calorie as Raisins
Score 25 vs 8 on the satiety-per-calorie scale.

Grapes
25easy to overeat · 67 kcal /100 g

Raisins
8engineered 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~90 kcal · ~134 g
90 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
0
Raisins
0
Water
Grapes
53
Raisins
3
Fiber
Grapes
1
Raisins
1
Sugar — pulls the score down
Grapes
−55%
Raisins
−48%
The numbers
| Per 100 g | Grapes | Raisins |
|---|---|---|
| Score | 25 | 8 |
| 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.