compare
OpenObserve vs Prometheus
The same facts for both, read from GitHub every night, and the relation a person reviewed.
| Fact | OpenObserve | Prometheus |
|---|---|---|
| Language | TypeScript | Go |
| Licence | AGPL-3.0 | Apache-2.0 |
| Stars | 22k | 66k |
| Latest | v1.1.0-rc1 | v3.15.0 |
| Last push | 2026-10-06 | 2026-10-06 |
| Release cadence | about 3 days between releases | about 13 days between releases |
| Active contributors | 43+ commit authors on the default branch in the last 90 days | 74+ commit authors on the default branch in the last 90 days |
| Flags | none | none |
How they relate
Both replace Datadog. Alternatives to Datadog →
PartialOpenObserveLogs, metrics, traces and dashboards in one service you run yourself.
PartialPrometheusMetrics and alerting you run yourself; logs and traces need other tools.
OpenObserve
- v1.1.0-rc12026-09-30Release v1.1.0-rc1
- v1.0.42026-09-24Release v1.0.4
- v1.0.32026-09-18Release v1.0.3
- v1.0.22026-09-17Release v1.0.2
- v1.0.12026-09-16Release v1.0.1
Prometheus
- v3.13.42026-10-023.13.4 / 2026-09-29
- v3.15.02026-09-253.15.0 / 2026-09-24
- v3.15.0-rc.12026-09-223.15.0-rc.1 / 2026-09-21pre-release
- v3.15.0-rc.02026-09-143.15.0-rc.0 / 2026-09-09pre-release
- v3.13.32026-09-073.13.3 / 2026-09-07
OpenObserve
unsigned The latest release, v1.1.0-rc1, carries no signature GitHub could verify.
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Prometheus
unsigned The latest release, v3.15.0, carries no signature GitHub could verify.
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