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Software · head to head

ELK Stack vs Sematext

ELK Stack logo

ELK Stack

Software

Open Source Search and Log Analytics

From
Free
Rated
-
Full reviewWebsite
Sematext logo

Sematext

Software

Full Stack Observability Platform

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; Sematext the $5 Basic plan caps ingestion at 500 MB a day and retains logs for 7 days
  • They diverge on capability: ELK Stack covers Full-text search, Sematext covers APM.

Where they differ

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

Attributes where ELK Stack and Sematext differ
AttributeELK StackSematext
Pricing modelopen-sourceusage-based
Founded20112007

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

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
  • Time-series analytics

Only in Sematext

  • APM
  • Metrics monitoring
  • Anomaly detection

Both cover

  • Log aggregation
  • 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 Sematext
  • Dashboards and visualisation of machine data in Kibananot Sematext
  • Self managing a search and observability cluster on your own hardwarenot Sematext

Sematext

  • Centralised log management and search across servicesnot ELK Stack
  • Infrastructure and application monitoring alongside logsnot 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

Sematext

  • The $5 Basic plan caps ingestion at 500 MB a day and retains logs for 7 days
  • Ingestion and storage are billed on separate meters, at $0.10 per GB received and $0.15 per GB stored
  • Retention is a plan property rather than a setting, so keeping logs longer means moving tier
  • The published pricing page renders Standard and Pro figures from unresolved template placeholders, so only the Basic numbers are actually readable

Pricing, plan by plan

ELK Stack

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

Sematext

Free
  • FreeFree
    • Log aggregation
    • APM
    • Metrics 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 Sematext if

  • You need apm.
  • You want to start without paying.
  • You work on Web, Api.
  • You also want metrics monitoring.
Sematext review

Questions people ask

Is ELK Stack or Sematext better?
Neither clearly leads. ELK Stack starts at Free and Sematext at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, ELK Stack or Sematext?
ELK Stack starts at Free and Sematext at Free.
Does ELK Stack or Sematext 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 Sematext is typically brought in for.
What can ELK Stack do that Sematext cannot?
ELK Stack covers Full-text search, Data visualization, Time-series analytics. Sematext covers APM, Metrics monitoring, Anomaly detection. Both handle Log aggregation, API, Webhooks, REST.
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