Logging · head to head
ELK Stack vs Splunk Enterprise
Splunk Enterprise
Logging
Enterprise Search, Monitoring, and Analytics
- From
- On request
- Rated
- -
The short version
- Only ELK Stack has a free tier, so it costs nothing to try first.
- 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; Splunk Enterprise splunk Platform and Enterprise Security offerings carry no published rate and require contacting sales for a quote
- They diverge on capability: ELK Stack covers Full-text search, Splunk Enterprise covers Real-time monitoring.
- Prices and features above were last checked on 30 August 2026.
Where they differ
Only the attributes on which ELK Stack and Splunk Enterprise actually diverge.
| Attribute | ELK Stack | Splunk Enterprise |
|---|---|---|
| Starting price | Free | On request |
| Pricing model | open-source | usage-based |
| Free tier | Yes | No |
| Founded | 2011 | 2003 |
Identical on both: platforms (Web, Api), user rating (Not yet rated), category (Logging).
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 Splunk Enterprise
- Real-time monitoring
- Advanced analytics
- Compliance
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 Splunk Enterprise
- Dashboards and visualisation of machine data in Kibananot Splunk Enterprise
- Self managing a search and observability cluster on your own hardwarenot Splunk Enterprise
Splunk Enterprise
- Indexing and searching machine data and logs at enterprise scalenot ELK Stack
- Security information and event management via Enterprise Securitynot ELK Stack
- IT service intelligence and infrastructure observabilitynot 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
Splunk Enterprise
- Splunk Platform and Enterprise Security offerings carry no published rate and require contacting sales for a quote
- Four different pricing models are offered (activity, ingest, workload and entity based) and the applicable one depends on the product purchased
- Published Observability Cloud rates start at $15 per host per month and are billed annually rather than monthly
- Volume discounts are not published and require direct consultation with sales
Pricing, plan by plan
ELK Stack
Free- FreeFree
- Full-text search
- Data visualization
- Log aggregation
Splunk Enterprise
On request- Starter$undefined/month
- Log aggregation
- Real-time monitoring
- Advanced analytics
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.
Choose Splunk Enterprise if
- You need real-time monitoring.
- You work on Web, Api.
- You also want advanced analytics.
Questions people ask
- Is ELK Stack or Splunk Enterprise better?
- Neither clearly leads. ELK Stack starts at Free and Splunk Enterprise at On request, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
- Which is cheaper, ELK Stack or Splunk Enterprise?
- ELK Stack has a free tier; the other does not. Paid plans start at Free for ELK Stack and On request for Splunk Enterprise.
- Does ELK Stack or Splunk Enterprise 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?
- Yes. ELK Stack has a free tier, so you can try it without paying. Splunk Enterprise starts at On request.
- 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 Splunk Enterprise is typically brought in for.
- What can ELK Stack do that Splunk Enterprise cannot?
- ELK Stack covers Full-text search, Data visualization, Time-series analytics. Splunk Enterprise covers Real-time monitoring, Advanced analytics, Compliance. Both handle Log aggregation, API, Webhooks, REST.
Answered from the vendors’ own pages
ELK Stack: Does Elastic offer a free trial without requiring a credit card?
Yes, Elastic offers a 14-day free cloud trial with no credit card required that includes all solutions: Search, Observability, Security, and Agent Builder.
SourceSplunk Enterprise: How much does Splunk Enterprise cost?
Splunk Enterprise pricing is not published online. Customers can try it free for 60 days without a credit card, but to obtain pricing for ongoing use, they must contact Splunk sales directly.
SourceELK Stack: Can I deploy Elastic locally for evaluation?
Yes, Elastic provides a local deployment option for Elasticsearch and Kibana with a one-command setup requiring no account or credit card. This allows self-managed evaluation.
SourceSplunk Enterprise: Does Splunk Enterprise offer a free trial?
Yes, Splunk Enterprise offers a 60-day free trial that does not require a credit card to begin.
SourceELK Stack: Does Elastic provide expert consultation for complex deployments?
Yes, Elastic offers expert consultation through their sales team for complex requirements and custom deployment scenarios.
SourceRelated pages
More on Splunk Enterprise
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