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ELK Stack vs Telegraf

ELK Stack logo

ELK Stack

Logging

Open Source Search and Log Analytics

From
Free
Rated
-
Full reviewWebsite
Telegraf logo

Telegraf

Logging

The Plugin-Driven Server Agent for Collecting and Reporting Metrics

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: ELK Stack the free Basic self managed subscription excludes machine learning, alerting, single sign on via SAML or OpenID Connect, LDAP and Active Directory authentication, field and document level security, searchable snapshots and cross cluster replication; Telegraf telegraf's core is open source and free, and InfluxData names a separate Telegraf Enterprise tier for teams running it at scale with no price published
  • They diverge on capability: ELK Stack covers Full-text search, Telegraf covers Metrics collection.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which ELK Stack and Telegraf actually diverge.

Attributes where ELK Stack and Telegraf differ
AttributeELK StackTelegraf
Founded20112013

Identical on both: starting price (Free), pricing model (open-source), free tier (Yes), platforms (Web, Api), user rating (Not yet rated), category (Logging).

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 ELK Stack

  • Full-text search
  • Data visualization
  • Log aggregation
  • Time-series analytics

Only in Telegraf

  • Metrics collection
  • System monitoring
  • Application monitoring
  • Plugin architecture

Both cover

  • API
  • Webhooks
  • REST
  • Web support
  • Api support

What people use each for

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

ELK Stack

  • Centralised log search and analytics over Elasticsearchnot Telegraf
  • Dashboards and visualisation of machine data in Kibananot Telegraf
  • Self managing a search and observability cluster on your own hardwarenot Telegraf

Telegraf

  • Log monitoringnot ELK Stack
  • Application performancenot ELK Stack
  • Security analyticsnot ELK Stack
  • Troubleshootingnot ELK Stack

Where each one falls short

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

ELK Stack

  • The free Basic self managed subscription excludes machine learning, alerting, single sign on via SAML or OpenID Connect, LDAP and Active Directory authentication, field and document level security, searchable snapshots and cross cluster replication
  • Cross cluster operations require the same subscription tier on every cluster involved
  • The 99.95 percent monthly uptime SLA applies only to the Platinum and Enterprise subscription tiers
  • Three deployment models are priced on three different bases: resource based for Cloud Hosted, usage based for Serverless and licence based on nodes and RAM for self managed
  • Elastic Cloud Serverless does not yet support traffic filtering, cross project search or bring your own key
  • The pricing page publishes no rate for any tier

Telegraf

  • Telegraf's core is open source and free, and InfluxData names a separate Telegraf Enterprise tier for teams running it at scale with no price published

Pricing, plan by plan

ELK Stack

Free
  • FreeFree
    • Full-text search
    • Data visualization
    • Log aggregation

Telegraf

Free
  • FreeFree
    • Metrics collection
    • System monitoring
    • Application monitoring

Which should you pick?

Choose ELK Stack if

  • You need full-text search.
  • You want to start without paying.
  • You work on Web, Api.
  • You also want data visualization.
ELK Stack review

Choose Telegraf if

  • You need metrics collection.
  • You want to start without paying.
  • You work on Web, Api.
  • You also want system monitoring.
Telegraf review

Questions people ask

Is ELK Stack or Telegraf better?
Neither clearly leads. ELK Stack starts at Free and Telegraf at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, ELK Stack or Telegraf?
ELK Stack starts at Free and Telegraf at Free.
Does ELK Stack or Telegraf run on more platforms?
Both run on Web, Api, so platform support will not decide this one for you.
Can I use ELK Stack for free?
Both have a free tier, so you can try either at no cost before committing.
What is ELK Stack best used for?
ELK Stack is most often used for centralised log search and analytics over elasticsearch, dashboards and visualisation of machine data in kibana, self managing a search and observability cluster on your own hardware. Of those, centralised log search and analytics over elasticsearch and dashboards and visualisation of machine data in kibana are not what Telegraf is typically brought in for.
What can ELK Stack do that Telegraf cannot?
ELK Stack covers Full-text search, Data visualization, Log aggregation, Time-series analytics. Telegraf covers Metrics collection, System monitoring, Application monitoring, Plugin architecture. Both handle API, Webhooks, REST, Web support.

Answered from the vendors’ own pages

ELK Stack: Does Elastic offer a free trial without requiring a credit card?

Yes, Elastic offers a 14-day free cloud trial with no credit card required that includes all solutions: Search, Observability, Security, and Agent Builder.

Source
Telegraf: Is Telegraf free to use?

Yes, Telegraf OSS is free and open source. It can be downloaded and used at no cost for collecting metrics from infrastructure, applications, and devices using over 400 community-tested plugins.

Source
ELK Stack: Can I deploy Elastic locally for evaluation?

Yes, Elastic provides a local deployment option for Elasticsearch and Kibana with a one-command setup requiring no account or credit card. This allows self-managed evaluation.

Source
Telegraf: What is Telegraf Enterprise and how much does it cost?

Telegraf Enterprise is a commercial offering for managing Telegraf at scale. It is licensed annually with entry-level packages starting at $18,000 per year, and pricing scales based on the total number of Telegraf agents under management.

Source
ELK Stack: Does Elastic provide expert consultation for complex deployments?

Yes, Elastic offers expert consultation through their sales team for complex requirements and custom deployment scenarios.

Source
Telegraf: Can I try Telegraf Enterprise before purchasing?

Yes, a free tier of Telegraf Controller is available for evaluation. It allows you to store up to 20 configurations and manage up to 100 reporting agents.

Source
Telegraf: Can Telegraf OSS be used for commercial purposes?

Telegraf OSS is free and available as open source software, suitable for commercial deployments without licensing fees. For large-scale enterprise needs, Telegraf Enterprise is the commercial offering.

Source
Telegraf: How many plugins does Telegraf support?

Telegraf includes over 400 community-tested plugins that can connect to various data sources and destinations including Kubernetes, Docker, AWS, Google Cloud, Azure, Kafka, and many databases.

Source
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