What is Prometheus?
Prometheus is an open-source monitoring system built around numeric time-series metrics. It collects labelled measurements, supports PromQL queries and evaluates alert rules, with Alertmanager handling notification routing. A complete deployment still needs an operating and storage plan.
Who is Prometheus for?
Platform and engineering teams operating metrics-based monitoring for services and infrastructure.
Prometheus features
The core capabilities to consider for your workflow.
- Labelled time-series metrics
- PromQL query language
- Metric collection and service discovery
- Alert rules and Alertmanager integration
Prometheus pricing
Free self-managed metrics software
Budget for collection, storage, retention, availability and operator time. A managed metrics service has separate ingestion, query and retention terms.
Calculate the cost of your quote →Free access & evaluation
The upstream software is free and open source. Hosted Prometheus services, infrastructure and support can add costs.
Before you choose Prometheus
It is not a general-purpose log store or distributed-trace database.
Operators must plan availability, storage, retention and notification delivery.
Explore Prometheus in more detail
Take a closer look at the decisions behind this product.
Prometheus vs Zabbix: metrics and infrastructure monitoring
Read the articleCompare Prometheus
Explore the individual profiles
Prometheus FAQs
Does Prometheus have a free plan?
The upstream software is free and open source. Hosted Prometheus services, infrastructure and support can add costs.
Who is Prometheus for?
Platform and engineering teams operating metrics-based monitoring for services and infrastructure.
What should I compare before buying?
Check the tier that contains your essential features, confirm plan limits and compare the total quote with your own expected usage.