Is Checkmk or Telegraf better?

Neither clearly leads. Checkmk 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, Checkmk or Telegraf?

Checkmk starts at Free and Telegraf at Free.

Does Checkmk or Telegraf run on more platforms?

Checkmk runs on Web. Telegraf runs on Web, API.

Can I use Checkmk for free?

Both have a free tier, so you can try either at no cost before committing.

What is Checkmk best used for?

Checkmk is most often used for infrastructure monitoring, system observability, enterprise compliance monitoring. Of those, infrastructure monitoring and system observability are not what Telegraf is typically brought in for.

What can Checkmk do that Telegraf cannot?

Telegraf covers Metrics collection, System monitoring, Application monitoring, Plugin architecture.

Logging · head to head

Checkmk vs Telegraf

Checkmk

Logging

Comprehensive IT monitoring, open and flexible

From: Free
Free plan: Yes

Visit Checkmk Full review

Telegraf

Logging

The Plugin-Driven Server Agent for Collecting and Reporting Metrics

From: Free
Free plan: Yes

Visit Telegraf Full review

The short version

Telegraf is an open-source server agent to help you collect metrics.
Telegraf is free; Checkmk starts at €190/mo.
Where Checkmk falls short: pricing calculated by service count, not hosts (approximately 30 services per host on average).
Prices and features on this page were last checked on 13 November 2026.

Where they differ

Only the attributes on which Checkmk and Telegraf actually diverge.

Attributes where Checkmk and Telegraf differ
Attribute	Checkmk	Telegraf
Pricing model	Subscription	Open-source
Platforms	Web	Web, API

Identical on both: starting price (Free), free tier (Yes), category (Logging).

Not yet recorded: founded for Checkmk.

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 Checkmk

Nothing recorded that Telegraf does not also cover.

Only in Telegraf

Metrics collection
System monitoring
Application monitoring
Plugin architecture
API
Webhooks
REST
Web support

What people use each for

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

Checkmk

Infrastructure monitoringnot Telegraf
System observabilitynot Telegraf
Enterprise compliance monitoringnot Telegraf

Telegraf

Log monitoringnot Checkmk
Application performancenot Checkmk
Security analyticsnot Checkmk
Troubleshootingnot Checkmk

Where each one falls short

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

Checkmk

Pricing calculated by service count, not hosts (approximately 30 services per host on average)
Professional support limited to 8-10 hours per week on base plans
Synthetic monitoring is separate add-on with per-test pricing

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

Checkmk

Free

Community (Self-Hosted)Free
- No cost, forever
- Up to ~100 hosts
- Basic infrastructure monitoring
Pro (Self-Hosted)€190/mo
- Advanced analytics
- Reporting
- Distributed monitoring
Ultimate (Self-Hosted)€275/mo
- Full-stack observability
- Advanced security compliance
- 10 hours x 5 days professional support (upgradable to 24/7)
CloudAI (SaaS)€240/mo
- Fully managed cloud hosting
- 99.5% uptime SLA
- Supports up to 50000 services

Telegraf

Free

FreeFree
- Metrics collection
- System monitoring
- Application monitoring

Which should you pick?

Choose Checkmk if

You want to start without paying.

Checkmk 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 Checkmk or Telegraf better?: Neither clearly leads. Checkmk 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, Checkmk or Telegraf?: Checkmk starts at Free and Telegraf at Free.
Does Checkmk or Telegraf run on more platforms?: Checkmk runs on Web. Telegraf runs on Web, API.
Can I use Checkmk for free?: Both have a free tier, so you can try either at no cost before committing.
What is Checkmk best used for?: Checkmk is most often used for infrastructure monitoring, system observability, enterprise compliance monitoring. Of those, infrastructure monitoring and system observability are not what Telegraf is typically brought in for.
What can Checkmk do that Telegraf cannot?: Telegraf covers Metrics collection, System monitoring, Application monitoring, Plugin architecture.

Answered from the vendors’ own pages

Checkmk: Is there a free version of Checkmk?

Yes, Checkmk Community edition is free forever and supports up to approximately 100 hosts for basic infrastructure monitoring with no cost.

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

Checkmk: How does Checkmk calculate pricing by host count?

Checkmk uses service-based pricing where each monitored aspect (file system, hardware sensor, switch port, metric) counts as one service. On average, there are approximately 30 services per host.

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

Checkmk: What is the difference between Checkmk Pro and Ultimate tiers?

Pro tier at 190 EUR/month includes advanced analytics and 8x5 support, while Ultimate at 275 EUR/month adds full-stack observability, advanced compliance features, and upgradable 24/7 support.

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

Checkmk: Does Checkmk offer a managed SaaS option?

Yes, Checkmk CloudAI is a fully managed SaaS tier at 240 EUR/month with 99.5% uptime SLA and support for up to 50000 services.

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

Checkmk vs Telegraf

Checkmk

Telegraf

The short version

Where they differ

What each one covers

Only in Checkmk

Only in Telegraf

What people use each for

Checkmk

Telegraf

Where each one falls short

Checkmk

Telegraf

Pricing, plan by plan

Checkmk

Telegraf

Which should you pick?

Choose Checkmk if

Choose Telegraf if

Questions people ask

Answered from the vendors’ own pages

Related pages

More on Checkmk

More on Telegraf

Keep looking

Other head to heads