Static comparison

Grafana vs Prometheus

Grafana has the stronger current ToolVitals signal, but check fit, license class, hosted pricing evidence, and confidence before switching.

Grafana

Open-source observability platform

100

The Prometheus monitoring system and time series database.

Use case	BI & Dashboards	Observability
Openness	Open core	OSI-approved OSS
License	AGPL-3.0	Apache-2.0
Health	100	93
Shipping	100	95
ToolVitals score	100	95
Data confidence	100	94
Source coverage	100	86
Hosted pricing	Hosted cloud pricing: Free tier tracked	No hosted pricing tracked: No current pricing evidence
Status reason	Maintenance and shipping signals are strong.	Maintenance and shipping signals are strong.

Decision notes

Fit Different use cases

Grafana is tracked under BI & Dashboards, while Prometheus is tracked under Observability.

Score gap 5 points

The headline score gap is visible enough to investigate the stronger signal first.

Grafana Best for fast recent shipping and strong maintenance posture

Grafana is tracked as open core with high confidence in ToolVitals data.

Prometheus Best for OSI-approved open source and fast recent shipping

Prometheus is tracked as OSI-approved open source with high confidence in ToolVitals data.

Which has the stronger ToolVitals signal, Grafana or Prometheus?

Grafana has the stronger current ToolVitals signal, but check fit, license class, hosted pricing evidence, and confidence before switching.

Are Grafana and Prometheus direct alternatives?

Not exactly. ToolVitals classifies them in different use cases, so use this page as a public-signal comparison before checking workflow fit.

Do sponsors affect this comparison?

No. Sponsors and affiliate links do not affect ToolVitals scores, rankings, risk labels, or evidence display.

Affiliate CTAs, when present, use sponsored links and never affect scores, rankings, risk labels, evidence freshness, or comparison verdicts.