Free
Free
Prometheus is open-source software you download and run without a license fee on prometheus.io.
- Access
- Prometheus is open-source software you download and run without a license fee on prometheus.io.
Prometheus
● Identity checkedObservability · Vendor site 2026-10-04
Prometheus is an open-source monitoring system and time series database with a dimensional data model, PromQL query language, exporters, and alerting integrated with Alertmanager. It is widely used for metrics collection in cloud-native and Kubernetes environments.
- Category
- Observability
- Free access
- Prometheus is open-source software you download and run without a license fee on prometheus.io.
- API access
- Documentation covers HTTP APIs for querying and managing metrics plus numerous exporter integrations.
Is Prometheus right for you?
A good fit for
Platform and SRE teams instrumenting services who need pull-based metrics, alerting, and PromQL analytics.
Before you choose
Long-term storage and high-availability scaling require additional components beyond the core Prometheus server.
Metrics and alerting
Prometheus collects labeled time series from targets, evaluates rules, and routes alerts to on-call workflows.
What it can do
Features & capabilities
Unknown is different from unavailable. Each fact carries its own evidence.
| Capability | Value | Evidence | Checked |
|---|---|---|---|
| Monitoring scope | Homepage meta describes an open-source monitoring system and time series database. | Facts sourced | 2026-10-04 |
| Query language | Docs highlight PromQL for flexible metrics queries. | Facts sourced | 2026-10-04 |
| Alerting | Overview notes modern alerting via Alertmanager integration. | Facts sourced | 2026-10-04 |
Understand the total cost
Prometheus pricing & plans
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Explore toolThe practical questions
Frequently asked questions
What is Prometheus used for?
Prometheus is an open-source monitoring system and time series database with a dimensional data model, PromQL query language, exporters, and alerting integrated with Alertmanager. It is widely used for metrics collection in cloud-native and Kubernetes environments.
Does Prometheus have a free plan?
Prometheus is open-source software you download and run without a license fee on prometheus.io.. This record lists ongoing free access; check the plan limits before starting.
How much does Prometheus cost?
No paid monthly price is listed; this record treats the product as free to start. See the plan cards for entitlements, billing commitments and seat minimums.
Can I use Prometheus through an API?
Documentation covers HTTP APIs for querying and managing metrics plus numerous exporter integrations.. API access and subscription access may have different terms; consult the linked sources.
What should I check before choosing it?
Long-term storage and high-availability scaling require additional components beyond the core Prometheus server.
Price history
No retained pricing changes yet. A current price alone does not establish a historical trend.
How this profile is supported
Identity and profile
Reviewed vendor source
Read original source ↗Facts apply to the named version and check date. Send a sourced correction if something changed.