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Cloud · head to head

Thanos vs Traefik

Thanos logo

Thanos

Cloud

Highly available Prometheus with long-term object storage

From
Free
Rated
-
Full reviewWebsite
Traefik logo

Traefik

Networking

Modern cloud-native edge router and API gateway

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: Thanos several components — sidecar, store, querier, compactor, ruler — each with its own configuration and failure modes; Traefik no transparent pricing displayed for Traefik Hub API Gateway or API Management products
  • They diverge on capability: Thanos covers Global query, Traefik covers API Gateway.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which Thanos and Traefik actually diverge.

Attributes where Thanos and Traefik differ
AttributeThanosTraefik
Pricing modelOpen source, no licence feefreemium
PlatformsKubernetes, Linux, DockerKubernetes, Docker, Cloud
CategoryCloudNetworking
FoundedUnknown2015

Identical on both: starting price (Free), free tier (Yes), user rating (Not yet rated).

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 Thanos

  • Global query
  • Object storage retention
  • Deduplication
  • Downsampling

Only in Traefik

  • API Gateway
  • Load Balancing
  • SSL/TLS Termination
  • Kubernetes
  • Docker
  • Consul
  • etcd
  • Linux support

What people use each for

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

Thanos

  • Querying metrics across many clusters or regions from one placenot Traefik
  • Retaining metrics for years without local disk growthnot Traefik
  • Removing the gap that appears when a single Prometheus instance restartsnot Traefik

Traefik

  • API gateway for microservices architecturenot Thanos
  • Kubernetes ingress controllernot Thanos
  • Container and VM traffic routingnot Thanos
  • Cloud-native application managementnot Thanos

Where each one falls short

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

Thanos

  • Several components — sidecar, store, querier, compactor, ruler — each with its own configuration and failure modes
  • The compactor is a common source of operational trouble and must not run twice against the same bucket
  • Query latency over object storage is meaningfully higher than local Prometheus
  • Object storage costs and API request charges become real at high volume

Traefik

  • No transparent pricing displayed for Traefik Hub API Gateway or API Management products
  • No subscription period specified for paid tiers
  • Traefik Hub products require contacting sales for pricing

Pricing, plan by plan

Thanos

Free
  • ThanosFree
    • Full functionality
    • No usage limits
    • Community support

Traefik

Free

No published plan breakdown. See the Traefik review.

Which should you pick?

Choose Thanos if

  • You need global query.
  • You want to start without paying.
  • You work on Kubernetes, Linux, Docker.
  • You also want object storage retention.
Thanos review

Choose Traefik if

  • You need api gateway.
  • You want to start without paying.
  • You work on Kubernetes, Docker, Cloud.
  • You also want load balancing.
Traefik review

Questions people ask

Is Thanos or Traefik better?
Neither clearly leads. Thanos starts at Free and Traefik at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Thanos or Traefik?
Thanos starts at Free and Traefik at Free.
Does Thanos or Traefik run on more platforms?
Thanos runs on Kubernetes, Linux, Docker. Traefik runs on Kubernetes, Docker, Cloud.
Can I use Thanos for free?
Both have a free tier, so you can try either at no cost before committing.
What is Thanos best used for?
Thanos is most often used for querying metrics across many clusters or regions from one place, retaining metrics for years without local disk growth, removing the gap that appears when a single prometheus instance restarts. Of those, querying metrics across many clusters or regions from one place and retaining metrics for years without local disk growth are not what Traefik is typically brought in for.
What can Thanos do that Traefik cannot?
Thanos covers Global query, Object storage retention, Deduplication, Downsampling. Traefik covers API Gateway, Load Balancing, SSL/TLS Termination, Kubernetes.

Answered from the vendors’ own pages

Thanos: Is Thanos free?

Yes, open source and CNCF-incubating. Costs are the object storage it uses.

Traefik: Is Traefik Proxy free to use?

Yes, Traefik Proxy is completely free and open source. You can download and use it at no cost.

Source
Thanos: Does Thanos replace Prometheus?

No. It runs alongside existing Prometheus servers, adding global query, deduplication and long-term storage.

Traefik: What pricing model does Traefik use for its paid products?

Traefik Hub products (API Gateway and API Management) use quote-based pricing. Specific rates are not published on the pricing page; you must contact sales to request pricing.

Source
Thanos: Thanos or VictoriaMetrics?

Thanos layers onto Prometheus using object storage and is the more established multi-cluster answer. VictoriaMetrics is a separate store aiming at lower resource use and fewer moving parts.

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