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Technology · head to head

Datadog vs Terraform

Datadog logo

Datadog

Technology

Modern monitoring & security

From
$15/month
Rated
-
Full reviewWebsite
Terraform logo

Terraform

Technology

Automate infrastructure on any cloud

From
Free
Rated
-
Full reviewWebsite

The short version

  • Only Terraform has a free tier, so it costs nothing to try first.
  • Each has a real cost: Datadog consumption-based pricing model makes costs hard to predict and can scale quickly; Terraform hCL syntax requires learning a domain-specific language with limited GUI alternatives
  • They diverge on capability: Datadog covers Infrastructure monitoring, Terraform covers Infrastructure as code.

Where they differ

Only the attributes on which Datadog and Terraform actually diverge.

Attributes where Datadog and Terraform differ
AttributeDatadogTerraform
Starting price$15/monthFree
Free tierNoYes
PlatformsWeb, Linux, Windows, macOSLinux, macOS, Windows
Founded20102012

Identical on both: pricing model (Unknown), user rating (Not yet rated), category (Technology).

What each one covers

Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.

Only in Datadog

  • Infrastructure monitoring
  • Application performance monitoring
  • Log management
  • Real user monitoring
  • Synthetic monitoring
  • Security monitoring
  • Network monitoring
  • Serverless monitoring

Only in Terraform

  • Infrastructure as code
  • Resource graph
  • Plan & apply
  • State management
  • Provider ecosystem
  • Modules
  • Workspaces
  • Remote backends

Both cover

  • AWS
  • Azure
  • Google Cloud
  • Kubernetes
  • PagerDuty

What people use each for

The jobs each tool is most often brought in to do.

Datadog

  • Infrastructure monitoringnot Terraform
  • Application performancenot Terraform
  • Security monitoringnot Terraform
  • Log analysisnot Terraform
  • Cloud monitoringnot Terraform

Terraform

  • Multi-cloud provisioningnot Datadog
  • Infrastructure automationnot Datadog
  • Environment replicationnot Datadog
  • Disaster recoverynot Datadog
  • Compliance automationnot Datadog

Where each one falls short

Documented limitations, not opinions. Every one is a constraint you would hit in normal use.

Datadog

  • Consumption-based pricing model makes costs hard to predict and can scale quickly
  • Add-on modules significantly increase costs: custom metrics, indexed spans, extended retention
  • No free tier for production monitoring
  • High costs for organizations with large amounts of log data or high-cardinality metrics

Terraform

  • HCL syntax requires learning a domain-specific language with limited GUI alternatives
  • State file management is complex, especially at scale with multiple workspaces
  • terraform import workflow is fiddly and must be done one resource at a time
  • No native error handling or try-catch capabilities like traditional programming languages
  • No automatic rollback capability - must manually delete and re-run if needed

Pricing, plan by plan

Datadog

$15/month
  • Infrastructure Monitoring$15/month
    • Host monitoring
    • Basic dashboards
  • APM$31/month
    • Application performance monitoring
    • Trace collection
  • Log Management$0.1/gb
    • Log indexing
    • Search and filter

Terraform

Free

No published plan breakdown. See the Terraform review.

Which should you pick?

Choose Datadog if

  • You need infrastructure monitoring.
  • You work on Web, Linux, Windows, macOS.
  • You also want application performance monitoring.
Datadog review

Choose Terraform if

  • You need infrastructure as code.
  • You want to start without paying.
  • You work on Linux, macOS, Windows.
  • You also want resource graph.
Terraform review

Questions people ask

Is Datadog or Terraform better?
Neither clearly leads. Datadog starts at $15/month and Terraform at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Datadog or Terraform?
Terraform has a free tier; the other does not. Paid plans start at $15/month for Datadog and Free for Terraform.
Does Datadog or Terraform run on more platforms?
Datadog runs on Web, Linux, Windows, macOS. Terraform runs on Linux, macOS, Windows.
Can I use Terraform for free?
Yes. Terraform has a free tier, so you can try it without paying. Datadog starts at $15/month.
What is Datadog best used for?
Datadog is most often used for infrastructure monitoring, application performance, security monitoring, log analysis. Of those, infrastructure monitoring and application performance are not what Terraform is typically brought in for.
What can Datadog do that Terraform cannot?
Datadog covers Infrastructure monitoring, Application performance monitoring, Log management, Real user monitoring. Terraform covers Infrastructure as code, Resource graph, Plan & apply, State management. Both handle AWS, Azure, Google Cloud, Kubernetes.

Answered from the vendors’ own pages

Datadog: How is Datadog pricing structured?

Datadog uses consumption-based pricing tied to data volume ingested, hosts monitored, and products enabled. Infrastructure Monitoring starts at $15/host/month, APM at $31/host/month, and Log Management at $0.10/GB for indexed logs.

Source
Terraform: Is there a free tier?

Yes. The free tier supports up to 500 managed resources and 1 concurrent run. The legacy free tier ends March 31, 2026; remaining organizations auto-convert to the enhanced free tier.

Source
Datadog: Does Datadog offer a free tier?

Datadog offers a free trial but not a permanent free tier for production monitoring. Pricing begins with paid plans only.

Source
Terraform: What clouds does Terraform support?

Terraform supports AWS, Microsoft Azure, Google Cloud Platform, Oracle Cloud, Docker, and HashiCorp's own HCP Terraform managed service, with over 2000 providers available.

Source
Datadog: What integrations does Datadog support?

Datadog offers 1000+ built-in integrations including AWS, Kubernetes, Docker, Azure, GCP, and most major cloud platforms and services.

Source
Terraform: Do I need HCP Terraform Cloud or can I run locally?

Terraform runs locally by default, storing state on your machine. For team collaboration and production use, remote backends like S3, Azure Storage, or HCP Terraform are recommended for locking and security.

Source
Datadog: Can Datadog monitor Kubernetes clusters?

Yes. The Datadog Agent runs as a DaemonSet to provide real-time visibility into pods, nodes, deployments, and control-plane health across major Kubernetes distributions including EKS, AKS, GKE, OpenShift, and others.

Source
Terraform: Is HCL hard to learn?

HCL is designed to be human-readable and sits between JSON and YAML. It supports comments, variables, functions, and conditional logic. While beginners can get started quickly, mastering advanced features takes practice.

Source
Datadog: How can I reduce Datadog costs?

Datadog bills based on indexed logs, custom metrics, and high-cardinality tags. Costs can be unpredictable and may run 2-3x estimates. Prepaying annually can secure 5-15% discounts.

Source
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