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Datadog vs LaunchDarkly

Datadog logo

Datadog

Software

Modern monitoring & security

From
$15/month
Rated
-
Full reviewWebsite
LaunchDarkly logo

LaunchDarkly

Software

Ship fast. Rest easy.

From
Free
Rated
-
Full reviewWebsite

The short version

  • Only LaunchDarkly 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; LaunchDarkly pricing scales rapidly with monthly active users, becoming expensive at scale
  • They diverge on capability: Datadog covers Infrastructure monitoring, LaunchDarkly covers Feature flags.

Where they differ

Only the attributes on which Datadog and LaunchDarkly actually diverge.

Attributes where Datadog and LaunchDarkly differ
AttributeDatadogLaunchDarkly
Starting price$15/monthFree
Free tierNoYes
PlatformsWeb, Linux, Windows, macOSWeb, Cloud, APIs
Founded20102014

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

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 LaunchDarkly

  • Feature flags
  • Progressive rollouts
  • User targeting
  • A/B testing
  • Kill switches
  • Audit log
  • Multi-environment
  • SDKs for all platforms

Both cover

  • PagerDuty
  • Slack
  • SOC2
  • ISO27001
  • HIPAA

What people use each for

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

Datadog

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

LaunchDarkly

  • Progressive deliverynot Datadog
  • Feature experimentationnot Datadog
  • Risk mitigationnot Datadog
  • Performance optimizationnot Datadog
  • Infrastructure migrationnot 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

LaunchDarkly

  • Pricing scales rapidly with monthly active users, becoming expensive at scale
  • Limited seats for engineers on standard plans, forcing upgrade to enterprise
  • Advanced features like experimentation and audit logs require higher-tier plans
  • Occasional reliability issues and backend delays reported by users

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

LaunchDarkly

Free
  • DeveloperFree
    • Unlimited seats
    • Unlimited feature flags
    • A/B tests and experiments
  • Foundation$null/mo
    • $12 per connection
    • $10 per 1K MAU
    • Targeted segmentation
  • Enterprise$null/mo
    • Custom pricing
    • Advanced automation
    • Compliance features

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 LaunchDarkly if

  • You need feature flags.
  • You want to start without paying.
  • You work on Web, Cloud, APIs.
  • You also want progressive rollouts.
LaunchDarkly review

Questions people ask

Is Datadog or LaunchDarkly better?
Neither clearly leads. Datadog starts at $15/month and LaunchDarkly at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Datadog or LaunchDarkly?
LaunchDarkly has a free tier; the other does not. Paid plans start at $15/month for Datadog and Free for LaunchDarkly.
Does Datadog or LaunchDarkly run on more platforms?
Datadog runs on Web, Linux, Windows, macOS. LaunchDarkly runs on Web, Cloud, APIs.
Can I use LaunchDarkly for free?
Yes. LaunchDarkly 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 LaunchDarkly is typically brought in for.
What can Datadog do that LaunchDarkly cannot?
Datadog covers Infrastructure monitoring, Application performance monitoring, Log management, Real user monitoring. LaunchDarkly covers Feature flags, Progressive rollouts, User targeting, A/B testing. Both handle PagerDuty, Slack, SOC2, ISO27001.

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
LaunchDarkly: What does the free Developer plan include?

The free Developer plan includes unlimited seats, unlimited feature flags, A/B tests and experiments, 30 SDKs, 10 million logs and traces, 5,000 session replays and errors, and 14 days of data retention.

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
LaunchDarkly: How does LaunchDarkly pricing scale?

Foundation plan pricing is $12 per connection plus $10 per 1,000 Monthly Active Users (MAU). Enterprise and Guardian plans have custom pricing based on usage, advanced features, and compliance requirements.

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
LaunchDarkly: Does LaunchDarkly integrate with Jira and Slack?

Yes, LaunchDarkly integrates with Jira Cloud, allowing you to link feature flags to Jira issues and create issues from observability data. It also integrates with Slack for flag notifications and allows authorized members to trigger flag changes from Slack.

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
LaunchDarkly: What is dark launching and how does LaunchDarkly enable it?

Dark launching keeps code changes hidden in production until ready to enable. LaunchDarkly enables this through feature flags that let teams safely test code in production before rolling out to users.

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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