Logging · head to head
ELK Stack vs Sumo Logic
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; Sumo Logic neither the Essentials nor the Enterprise Suite package lists a price on the pricing page; both link to Contact Sales
- They diverge on capability: ELK Stack covers Full-text search, Sumo Logic covers Metrics collection.
- Prices and features above were last checked on 30 August 2026.
Where they differ
Only the attributes on which ELK Stack and Sumo Logic actually diverge.
| Attribute | ELK Stack | Sumo Logic |
|---|---|---|
| Pricing model | open-source | usage-based |
| Founded | 2011 | 2010 |
Identical on both: starting price (Free), free tier (Yes), 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 Sumo Logic
- Metrics collection
- Real-time analytics
- Custom dashboards
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 Sumo Logic
- Dashboards and visualisation of machine data in Kibananot Sumo Logic
- Self managing a search and observability cluster on your own hardwarenot Sumo Logic
Sumo Logic
- Cloud-native log analytics across applications and infrastructurenot ELK Stack
- Running a SIEM with MITRE ATT&CK mapped detections and UEBAnot ELK Stack
- Compliance and audit readiness reporting from log datanot 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
Sumo Logic
- Neither the Essentials nor the Enterprise Suite package lists a price on the pricing page; both link to Contact Sales
- Quoted per GB figures assume an annual commitment, an average of 1 GB of log ingest per day and a US deployment region
- Pricing varies by the AWS deployment region chosen, so the same volume costs differently in Dublin, Frankfurt, Sydney or Tokyo
- Flex pricing bills per TB scanned rather than per GB ingested, so query activity drives the bill
- Feature activation is subject to minimum volume, minimum user counts and service requirements confirmed at the time of the transaction
- The API is limited to four calls per section, ten concurrent in-flight requests, and query processing times out after two minutes
- Self-serve credit card purchase is capped at $25,000; larger purchases must go through sales or a reseller
Pricing, plan by plan
ELK Stack
Free- FreeFree
- Full-text search
- Data visualization
- Log aggregation
Sumo Logic
Free- FreeFree
- Log aggregation
- Metrics collection
- Real-time 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 Sumo Logic if
- You need metrics collection.
- You want to start without paying.
- You work on Web, Api.
- You also want real-time analytics.
Questions people ask
- Is ELK Stack or Sumo Logic better?
- Neither clearly leads. ELK Stack starts at Free and Sumo Logic at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
- Which is cheaper, ELK Stack or Sumo Logic?
- ELK Stack starts at Free and Sumo Logic at Free.
- Does ELK Stack or Sumo Logic 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 Sumo Logic is typically brought in for.
- What can ELK Stack do that Sumo Logic cannot?
- ELK Stack covers Full-text search, Data visualization, Time-series analytics. Sumo Logic covers Metrics collection, Real-time analytics, Custom dashboards. 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.
SourceSumo Logic: How much does Sumo Logic cost?
Sumo Logic does not publish specific pricing on its pricing page. Essentials plan is available via self-serve credit card for up to $25,000, with Enterprise Suite requiring sales contact for quotes.
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.
SourceSumo Logic: How is Sumo Logic priced?
Sumo Logic uses a credit-based pricing model. Logs are measured by GB scanned during queries, metrics by Data Points per Minute, and traces up to 5GB per day on Essentials.
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.
SourceSumo Logic: Is there a free trial?
Yes, Sumo Logic offers a 30-day free trial for the Essentials plan, which is available via self-serve credit card signup.
SourceSumo Logic: What are the data retention limits?
The Essentials plan supports up to 365 days of log retention, 300 log monitors, 500 metric monitors, and 5GB per day trace storage.
SourceRelated pages
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