Which one AI picks, and when.
Data as of Aug 2, 2026 · Based on 13 AI claims comparing the two · See how Parse measures this
Head to head
The two are furthest apart on reach, where Walmart leads by 17 points.
| Measure |  Costco |  Walmart |
|---|---|---|
| Parse Score | 80 |
| 92 |
| Strength | 48 | 54 |
|---|
| Reach (widest gap) | 82 | 99 |
|---|
| Authority | 71 | 81 |
|---|
