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Free-Limited
Tool Comparison
Datadog
Cloud-scale monitoring for infrastructure, apps, and security in one platform.
VS
At a Glance
| Attribute | Datadog | Prometheus |
|---|---|---|
| License / Pricing | Free-Limited | Open Source |
| Type | DevOps | DevOps |
| GitHub Stars | — | — |
| Rating | 4.5/5 | 4.5/5 |
| Key Features | 6 listed | 6 listed |
| Integrations | 6 listed | 6 listed |
| Categories | MonitoringSecurityObservability | Monitoring |
Key Features
Datadog
- Unified metrics, logs, traces, and security events in one platform
- Auto-instrumentation APM for 15+ languages with distributed tracing
- 700+ built-in integrations for cloud, infrastructure, and SaaS tools
- Cloud Security Management for misconfigs and runtime threats
- Synthetic monitoring for proactive uptime testing
- AI-powered anomaly detection and alert correlation
Prometheus
- Multi-dimensional data model with labels for flexible querying
- PromQL — powerful query language for aggregating and slicing metrics
- Pull-based scraping with automatic Kubernetes service discovery
- Alertmanager for deduplication, grouping, and routing of alerts
- Exporters for databases, message queues, OS, and hardware metrics
- Federation support for hierarchical multi-cluster setups
Real-World Use Cases
Datadog
End-to-end request tracing for a microservice
Install the Datadog agent as a DaemonSet in Kubernetes
Infrastructure cost and performance dashboard
Enable AWS, GCP, or Azure integration to pull cloud metrics
Prometheus
Kubernetes cluster monitoring with alerting
Deploy kube-prometheus-stack via Helm (includes Prometheus and Alertmanager)
Application SLO tracking
Instrument the application to expose /metrics in Prometheus format
Integrations
Datadog
kubernetesprometheusgrafanaansibleterraformelastic-observability
Prometheus
grafanakubernetesdatadogelastic-observabilitynewrelicansible
🏆 Which should you choose?
Choose Datadog if…
- → you want a managed or commercial offering with enterprise support and SLAs
Choose Prometheus if…
- → you need a fully open-source, self-hosted solution with no vendor lock-in