Which one AI picks, and when.
Data as of Aug 13, 2026 · Based on 44 AI claims comparing the two · See how Parse measures this
Head to head
The two are furthest apart on reach, where UpToDate leads by 4 points.
| Measure |  Epocrates |  UpToDate |
|---|---|---|
| Parse Score | 85 |
| 87 |
| Strength | 84 | 86 |
|---|
| Reach (widest gap) | 57 | 61 |
|---|
| Authority | 58 | 59 |
|---|
