Which one AI picks, and when.
Data as of Aug 2, 2026 · Based on 22 AI claims comparing the two · See how Parse measures this
Head to head
The two are furthest apart on authority, where Substack leads by 9 points.
| Measure | BBeehiiv |  Substack |
|---|---|---|
| Parse Score | 73 |
| Strength | 61 | 53 |
|---|
| Reach | 63 | 66 |
|---|
| Authority (widest gap) | 59 | 68 |
|---|
