Logging · head to head
ELK Stack vs Splunk Cloud
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 Cloud significantly higher pricing than competitors like Datadog and Elastic
- They diverge on capability: ELK Stack covers Full-text search, Splunk Cloud covers Real-time analytics.
- Prices and features above were last checked on 30 August 2026.
Where they differ
Only the attributes on which ELK Stack and Splunk Cloud actually diverge.
| Attribute | ELK Stack | Splunk Cloud |
|---|---|---|
| Starting price | Free | $675/year |
| Pricing model | open-source | Unknown |
| Free tier | Yes | No |
| Platforms | Web, Api | Web |
| Founded | 2011 | 2003 |
Identical on both: 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 Cloud
- Real-time analytics
- Machine learning
- Advanced dashboards
- Compliance tools
- Cloud scalability
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 Cloud
- Dashboards and visualisation of machine data in Kibananot Splunk Cloud
- Self managing a search and observability cluster on your own hardwarenot Splunk Cloud
Splunk Cloud
- Log monitoringnot ELK Stack
- Application performancenot ELK Stack
- Security analyticsnot ELK Stack
- Troubleshootingnot 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 Cloud
- Significantly higher pricing than competitors like Datadog and Elastic
- Per-GB ingest costs of $150+/day make budget forecasting difficult
- Extended retention adds substantial additional costs
- Enterprise Security add-on costs $25-45/GB/day on top of base pricing
Pricing, plan by plan
ELK Stack
Free- FreeFree
- Full-text search
- Data visualization
- Log aggregation
Splunk Cloud
$675/yearNo published plan breakdown. See the Splunk Cloud review.
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 Cloud if
- You need real-time analytics.
- You also want machine learning.
Questions people ask
- Is ELK Stack or Splunk Cloud better?
- Neither clearly leads. ELK Stack starts at Free and Splunk Cloud at $675/year, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
- Which is cheaper, ELK Stack or Splunk Cloud?
- ELK Stack has a free tier; the other does not. Paid plans start at Free for ELK Stack and $675/year for Splunk Cloud.
- Does ELK Stack or Splunk Cloud run on more platforms?
- ELK Stack runs on Web, Api. Splunk Cloud runs on Web.
- Can I use ELK Stack for free?
- Yes. ELK Stack has a free tier, so you can try it without paying. Splunk Cloud starts at $675/year.
- 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 Cloud is typically brought in for.
- What can ELK Stack do that Splunk Cloud cannot?
- ELK Stack covers Full-text search, Data visualization, Time-series analytics. Splunk Cloud covers Real-time analytics, Machine learning, Advanced dashboards, Compliance tools. 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 Cloud: How is Splunk Cloud priced?
Splunk Cloud uses two pricing models: legacy per-GB ingest at $150+/GB/day or newer workload pricing ranging from $3,000 to $400,000/month depending on pack size. Simpler deployments offer ingest pricing with 5GB/day at $675/year.
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 Cloud: What is included with Splunk Cloud storage?
Storage is included for a default retention period, typically 90 days for hot/warm data, with extended retention costing extra.
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.
SourceSplunk Cloud: Is Splunk Cloud managed or do I need to manage infrastructure?
Splunk Cloud is a fully managed SaaS offering where Cisco (current owner) handles infrastructure, upgrades, and scaling.
SourceSplunk Cloud: What makes Splunk Cloud expensive compared to alternatives?
Splunk remains the highest-priced major log platform, but offers the most powerful query language (SPL) and the deepest enterprise security ecosystem.
SourceRelated pages
More on Splunk Cloud
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