Grafana
Open-source observability platform
99
Static comparison
Grafana vs Prometheus
Grafana has the stronger current ToolVitals signal, but check fit, license class, source coverage, and confidence before switching.
Prometheus
The Prometheus monitoring system and time series database.
97
Evidence comparison
| Use case | Observability | Observability |
|---|---|---|
| Openness | Open core | OSI-approved OSS |
| License | AGPL-3.0 | Apache-2.0 |
| Health | 99 | 97 |
| Shipping | 98 | 96 |
| ToolVitals score | 99 | 97 |
| Data confidence | 90 | 90 |
| Source coverage | 100 | 90 |
| GitHub stars | 77,493 | 66,770 |
| Forks | 14,856 | 10,921 |
| Watchers | 1,289 | 1,139 |
| Open issues | 3,321 | 1,028 |
| Last commit | Oct 26, 2026 | Oct 26, 2026 |
| Commits (30d) | 1,221 | 309 |
| Commits (90d) | 3,574 | 875 |
| Active contributors (90d) | 101 | 43 |
| Releases (90d) | 28 | 10 |
| Status reason | Commit continuity, contributor activity, and delivery signals are strong. | Commit continuity, contributor activity, and delivery signals are strong. |
Decision notes
How to read this matchup
Both tools are tracked under Observability, so this is a closer alternative comparison.
The overall signal is close; license, source quality, and fit matter more than the headline score.
Grafana is tracked as open core with high confidence in ToolVitals data.
Prometheus is tracked as OSI-approved open source with high confidence in ToolVitals data.
Comparison FAQ
Which has the stronger ToolVitals signal, Grafana or Prometheus?
Grafana has the stronger current ToolVitals signal, but check fit, license class, source coverage, and confidence before switching.
Are Grafana and Prometheus direct alternatives?
Yes. ToolVitals classifies both tools in the Observability use case, so the score, health, shipping, source coverage, and license rows can be read as a close comparison.
Do sponsors affect this comparison?
No. Sponsors and affiliate links do not affect ToolVitals scores, rankings, risk labels, or evidence display.
Editorial independence
Affiliate CTAs, when present, use sponsored links and never affect scores, rankings, risk labels, evidence freshness, or comparison verdicts.