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Networking · head to head

Kentik vs Splunk

Kentik logo

Kentik

Networking

Network observability platform built on flow and traffic data, sold on annual-only contracts starting around $24,000/year

From
On request
Rated
-
Full reviewWebsite
Splunk logo

Splunk

Networking

Turn Data Into Doing

From
On request
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: Kentik contracts are annual only, so there is no monthly option for a team wanting to trial the platform under real production load before committing to a year of spend; Splunk no prices are published on any plan; every model requires contacting sales for an estimate
  • They diverge on capability: Kentik covers Flow-based traffic analysis, Splunk covers Log aggregation.
  • Prices and features above were last checked on 1 September 2026.

Where they differ

Only the attributes on which Kentik and Splunk actually diverge.

Attributes where Kentik and Splunk differ
AttributeKentikSplunk
Pricing modelAnnual contract only, per tierquote
FoundedUnknown2003

Identical on both: starting price (On request), free tier (No), platforms (Web, API), user rating (Not yet rated), category (Networking).

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 Kentik

  • Flow-based traffic analysis
  • Synthetic testing
  • Cloud network monitoring
  • DDoS detection
  • API-driven querying

Only in Splunk

  • Log aggregation
  • Real-time monitoring
  • Data visualization
  • Full-text search
  • Custom dashboards
  • Alert management
  • Anomaly detection
  • Log parsing

What people use each for

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

Kentik

  • A network engineering team at an ISP or large enterprise needing flow-level traffic visibility beyond basic uptime monitoringnot Splunk
  • A cloud-heavy organisation wanting visibility into cloud provider network cost and performance across multiple providersnot Splunk
  • A security or network operations team wanting DDoS detection layered on top of standard traffic monitoringnot Splunk
  • A team needing synthetic testing alongside passive flow analysis in one platform rather than two separate toolsnot Splunk

Splunk

  • Log search and analysis across infrastructurenot Kentik
  • SIEM, SOAR and UEBA for a security operations teamnot Kentik
  • Application performance and infrastructure monitoringnot Kentik
  • Cloud, private cloud or on-premises deploymentnot Kentik

Where each one falls short

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

Kentik

  • Contracts are annual only, so there is no monthly option for a team wanting to trial the platform under real production load before committing to a year of spend
  • The Pro tier's $24,000/year starting price is a serious commitment relative to general infrastructure monitoring tools, and it is aimed specifically at flow-level traffic visibility rather than general host monitoring
  • Add-on modules for advanced DDoS protection, service provider analytics and the Firehose pipeline are priced separately, so real deployment cost frequently exceeds the Pro sticker price
  • Premier tier pricing is entirely quote-based, so organisations needing more than Pro's limits (50 users, 1,000 FPS, 120-day retention) cannot get a number without a sales conversation
  • It is a specialised flow and traffic analytics tool, not a general infrastructure monitoring platform, so most buyers will still need a separate tool like PRTG or Icinga for host and service uptime checks
  • Data retention is capped at 120 days for traffic and 45 days for forensic data even on Pro, which may be short for organisations with longer compliance or investigation requirements

Splunk

  • No prices are published on any plan; every model requires contacting sales for an estimate
  • Three separate pricing models, workload, ingest and entity, so the same deployment costs different amounts depending on which was signed
  • Ingest pricing bills on data volume, so cost tracks how much you log rather than how much value you get from it
  • Security, observability and platform are priced separately

Pricing, plan by plan

Kentik

On request
  • Pro$24000/year
    • 50 users
    • 1,000 flows per second baseline
    • 2.5M synthetics credits
  • Premier$undefined/year
    • 1,000 users
    • 5M synthetics credits
    • Custom dimensions and scheduled reporting

Splunk

On request
  • Observability Cloud - Infrastructure$15/month
    • Infrastructure monitoring for per host/month pricing
    • Unlimited users and ability to scale to petabytes of data
  • Observability Cloud - App & Infra$60/month
    • App and infrastructure monitoring for per host/month pricing billed annually
  • Observability Cloud - End-to-End$75/month
    • End-to-end observability for per host/month pricing billed annually
  • On-Call$5/month
    • On-call management for per user per month pricing billed annually
    • Covers up to 10 seats

Which should you pick?

Choose Kentik if

  • You need flow-based traffic analysis.
  • You work on Web, API.
  • You also want synthetic testing.
Kentik review

Choose Splunk if

  • You need log aggregation.
  • You work on Web, Api.
  • You also want real-time monitoring.
Splunk review

Questions people ask

Is Kentik or Splunk better?
Neither clearly leads. Kentik starts at On request and Splunk at On request, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Kentik or Splunk?
Kentik starts at On request and Splunk at On request.
Does Kentik or Splunk run on more platforms?
Kentik runs on Web, API. Splunk runs on Web, Api.
What is Kentik best used for?
Kentik is most often used for a network engineering team at an isp or large enterprise needing flow-level traffic visibility beyond basic uptime monitoring, a cloud-heavy organisation wanting visibility into cloud provider network cost and performance across multiple providers, a security or network operations team wanting ddos detection layered on top of standard traffic monitoring, a team needing synthetic testing alongside passive flow analysis in one platform rather than two separate tools. Of those, a network engineering team at an isp or large enterprise needing flow-level traffic visibility beyond basic uptime monitoring and a cloud-heavy organisation wanting visibility into cloud provider network cost and performance across multiple providers are not what Splunk is typically brought in for.
What can Kentik do that Splunk cannot?
Kentik covers Flow-based traffic analysis, Synthetic testing, Cloud network monitoring, DDoS detection. Splunk covers Log aggregation, Real-time monitoring, Data visualization, Full-text search.

Answered from the vendors’ own pages

Kentik: Is there a monthly billing option?

No, Kentik states contracts are annual only.

Splunk: What is Splunk's pricing model?

Splunk offers activity-based, ingest, or workload pricing options depending on the product. Splunk Observability Cloud and AppDynamics use per-host or per-vCPU monthly pricing billed annually. Splunk Cloud Platform and Splunk Enterprise require custom quotes from sales.

Source
Kentik: What is the entry price?

Pro starts at $2,000/month billed as $24,000/year for 50 users and baseline flow and synthetics quotas.

Splunk: How much does Splunk Enterprise cost?

Splunk Enterprise pricing requires contact with sales. The vendor offers data-ingest or workload pricing options, supports unlimited users, and can scale to petabytes of data, but specific rates are not published online.

Source
Kentik: Does Kentik replace general infrastructure monitoring tools like PRTG?

No, it is focused on flow-based traffic and network observability rather than general host and service uptime monitoring.

Splunk: What are the differences between Splunk's pricing options?

Splunk offers multiple pricing models: ingest-based pricing charges according to data volume brought into the system; workload-based pricing charges based on computing resources consumed by workloads. Both models apply to Splunk Enterprise and Splunk Cloud Platform. Standard support is included with product purchases; premium support is available as an add-on.

Source
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