Grafana Alloy vs Telegraf
A side-by-side comparison of two self-hosted monitoring & status options — licensing, setup difficulty, resource needs, and what each one replaces.
Grafana Alloy
OpenTelemetry collector distribution for all telemetry
VS
Telegraf
Plugin-driven server agent for collecting metrics
| Feature | Grafana Alloy | Telegraf |
|---|---|---|
| Deploy effort | Under-an-hour setup | Under-an-hour setup |
| Health score | 88 · Excellent | 95 · Excellent |
| Category | Monitoring & Status | Monitoring & Status |
| License | Apache-2.0 | MIT |
| Language | Go | Go |
| Setup difficulty | Medium | Easy |
| Min. RAM | 128 MB | 64 MB |
| Deployment | docker, kubernetes, binary | docker, kubernetes, binary |
| GitHub stars | ★ 3,553 | ★ 17,825 |
| First released | 2024 | 2015 |
| Replaces | Datadog Agent | Datadog Agent |
What are Grafana Alloy and Telegraf?
Grafana Alloy
Grafana Alloy is a vendor-neutral distribution of the OpenTelemetry Collector that gathers logs, metrics, traces, and profiles. It uses a programmable configuration language to build flexible telemetry pipelines.
- Unified telemetry collection
- OpenTelemetry compatible
- Programmable pipelines
- Built-in clustering
Telegraf
Telegraf is a plugin-driven agent for collecting, processing, aggregating, and writing metrics and events. It has hundreds of input and output plugins covering systems, databases, IoT sensors, and cloud services.
- Hundreds of input plugins
- Single static binary
- Low resource footprint
- Outputs to many backends
Grafana Alloy vs Telegraf: key differences
Both projects are written in Go. Licensing differs — Apache-2.0 for Grafana Alloy versus MIT for Telegraf. Telegraf is the lighter option, starting around 64 MB of RAM against 128 MB for Grafana Alloy. Telegraf is the more established project (first released 2015), while Grafana Alloy arrived in 2024. Telegraf has the considerably larger community, at 17,825 GitHub stars versus 3,553.
Why pick each one
Choose Grafana Alloy if…
- One agent for all signals
- Strong Grafana integration
Watch out for
- New project replacing Agent
- Config language to learn
Choose Telegraf if…
- Huge plugin catalog
- Trivial to deploy
Watch out for
- Configuration can get verbose
- No built-in UI
Frequently asked questions
Is Grafana Alloy or Telegraf better?
Telegraf is the stronger all-round pick: it has both the larger community and the simpler easy setup. Consider Grafana Alloy if its specific feature set fits your needs better.
Are Grafana Alloy and Telegraf free and open-source?
Yes. Grafana Alloy is licensed under Apache-2.0 and Telegraf under MIT. Both can be self-hosted at no software cost.
Can I run Grafana Alloy and Telegraf with Docker?
Grafana Alloy: yes. Telegraf: yes.
Which is lighter on resources, Grafana Alloy or Telegraf?
Telegraf has the smaller minimum footprint at 64 MB of RAM, compared to about 128 MB for Grafana Alloy. Real-world usage depends on library size, user count, and enabled features.