# Sierra: Dawn score and attention ranking

Sierra scores 53 out of 100 on the Dawn Index, built from 4 signals. It ranks #3 of 8 in Vertical AI, #71 of 115 in AI.

## What drives the Sierra Dawn score?

| Signal | Weight | Score (0 to 100) |
| --- | --- | --- |
| Search scale | 20% | 41 |
| Search momentum | 20% | 86 |
| Site scale | 15% | 37 |
| Site momentum | 10% | 35 |

## How does Sierra compare in Vertical AI?

| Rank | Brand | Dawn score |
| --- | --- | --- |
| 1 | [OpenEvidence](https://dawntrend.com/brand/openevidence) | 64 |
| 2 | [Harvey](https://dawntrend.com/brand/harvey) | 60 |
| 3 | [Sierra](https://dawntrend.com/brand/sierra) | 53 |
| 4 | [Glean](https://dawntrend.com/brand/glean) | 50 |
| 5 | [Abridge](https://dawntrend.com/brand/abridge) | 50 |
| 6 | [Decagon](https://dawntrend.com/brand/decagon) | 46 |
| 7 | [Hippocratic AI](https://dawntrend.com/brand/hippocratic-ai) | 44 |
| 8 | [Hebbia](https://dawntrend.com/brand/hebbia) | 43 |

## Where do the numbers come from?

Search figures are Google search estimates for the brand and its products. Site figures are third-party traffic estimates. A Dawn score measures attention, not revenue.

See the full Dawn Index.