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Cloud · head to head

Oracle Cloud vs Thanos

Oracle Cloud logo

Oracle Cloud

Cloud

Enterprise cloud computing services

From
Free
Rated
-
Full reviewWebsite
Thanos logo

Thanos

Cloud

Highly available Prometheus with long-term object storage

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: Oracle Cloud the free trial gives US$300 of credit that expires when consumed or after 30 days, whichever comes first; Thanos several components — sidecar, store, querier, compactor, ruler — each with its own configuration and failure modes
  • They diverge on capability: Oracle Cloud covers Autonomous Database, Thanos covers Global query.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which Oracle Cloud and Thanos actually diverge.

Attributes where Oracle Cloud and Thanos differ
AttributeOracle CloudThanos
Pricing modelusage-basedOpen source, no licence fee
PlatformsLinux, Windows, Api, CliKubernetes, Linux, Docker
Founded2019Unknown

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

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 Oracle Cloud

  • Autonomous Database
  • Compute Instances
  • MySQL Database Service
  • Object Storage
  • Block Volume
  • Load Balancers
  • Virtual Cloud Network
  • API Gateway

Only in Thanos

  • Global query
  • Object storage retention
  • Deduplication
  • Downsampling

What people use each for

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

Oracle Cloud

  • Running virtual machines, databases and storage on Oracle's cloud infrastructurenot Thanos
  • Hosting Oracle Database workloads on infrastructure from the same vendornot Thanos

Thanos

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

Where each one falls short

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

Oracle Cloud

  • The free trial gives US$300 of credit that expires when consumed or after 30 days, whichever comes first
  • The US$300 cloud credit is available only in select countries
  • Only one Oracle Cloud Free Trial or Always Free account is permitted per person
  • Accounts left idle for 30 days or more are eligible for suspension or termination as abandoned
  • Always Free NoSQL Database is restricted to the Phoenix region
  • Free Tier availability is subject to capacity limits, and the published per-service capacity figures are estimates that assume the entire credit is spent on that one service

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

Pricing, plan by plan

Oracle Cloud

Free
  • Always FreeFree
    • Oracle Autonomous Database
    • 2 compute instances
    • 100 GB storage
  • Pay-as-You-GoFree
    • Flexible pricing
    • No long-term commitment
    • Enterprise support

Thanos

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

Which should you pick?

Choose Oracle Cloud if

  • You need autonomous database.
  • You want to start without paying.
  • You work on Linux, Windows, Api, Cli.
  • You also want compute instances.
Oracle Cloud review

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

Questions people ask

Is Oracle Cloud or Thanos better?
Neither clearly leads. Oracle Cloud starts at Free and Thanos at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Oracle Cloud or Thanos?
Oracle Cloud starts at Free and Thanos at Free.
Does Oracle Cloud or Thanos run on more platforms?
Oracle Cloud runs on Linux, Windows, Api, Cli. Thanos runs on Kubernetes, Linux, Docker.
Can I use Oracle Cloud for free?
Both have a free tier, so you can try either at no cost before committing.
What is Oracle Cloud best used for?
Oracle Cloud is most often used for running virtual machines, databases and storage on oracle's cloud infrastructure, hosting oracle database workloads on infrastructure from the same vendor. Of those, running virtual machines, databases and storage on oracle's cloud infrastructure and hosting oracle database workloads on infrastructure from the same vendor are not what Thanos is typically brought in for.
What can Oracle Cloud do that Thanos cannot?
Oracle Cloud covers Autonomous Database, Compute Instances, MySQL Database Service, Object Storage. Thanos covers Global query, Object storage retention, Deduplication, Downsampling.

Answered from the vendors’ own pages

Thanos: Is Thanos free?

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

Thanos: Does Thanos replace Prometheus?

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

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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