observability.fyi

Datadog APM vs Prometheus

A detailed comparison of two leading observability platforms.

Da

Datadog APM

End-to-end distributed tracing

9.1/10
Pr

Prometheus

Open-source monitoring and alerting toolkit

8.9/10
Overview

Who is each tool for?

Da

Datadog APM

Enterprises needing unified APM with infrastructure monitoring

Pr

Prometheus

Teams wanting powerful open-source metrics monitoring with PromQL

Analysis

Pros and Cons

Da

Datadog APM

Pros

  • Seamless infrastructure correlation
  • Automatic instrumentation
  • Excellent service maps
  • Continuous profiling included

Cons

  • Higher price point
  • Requires Datadog ecosystem buy-in
  • Can be overwhelming for small teams
Full review
Pr

Prometheus

Pros

  • Powerful PromQL query language
  • Excellent Kubernetes integration
  • Active open-source community
  • Pull-based model is firewall-friendly

Cons

  • Limited long-term storage by default
  • No built-in dashboards (needs Grafana)
  • High cardinality can be challenging
Full review
Ratings

Feature Comparison

Feature
Da
Datadog APM
Pr
Prometheus
APM
9.5
5
Log Management
8
3
Infrastructure Monitoring
9
9
Alerting
9
8.5
Integrations
9.5
8.5
Ease of Use
8
7
Support
8.5
7
Value for Money
7.5
10
Overall Score
9.1
8.9
Investment

Pricing

Da

Datadog APM

From $31/host/mo

Pricing varies by data volume and features. Contact Datadog APM for a custom quote.

Pr

Prometheus

Free / Open Source

Pricing varies by data volume and features. Contact Prometheus for a custom quote.

Conclusion

Our Verdict

Both Datadog APM and Prometheus are excellent observability platforms. Datadog APM edges ahead with a score of 9.1/10, particularly excelling in APM and Log Management.