Cloud · head to head
Jaeger vs Splunk
The short version
- Only Jaeger has a free tier, so it costs nothing to try first.
- Each has a real cost: Jaeger tracing is only as good as the instrumentation, and partial instrumentation produces misleading gaps; Splunk no prices are published on any plan; every model requires contacting sales for an estimate
- They diverge on capability: Jaeger covers Distributed trace search, Splunk covers Log aggregation.
Where they differ
Only the attributes on which Jaeger and Splunk actually diverge.
Identical on both: user rating (Not yet rated).
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 Jaeger
- Distributed trace search
- Dependency graph
- Adaptive sampling
- Pluggable storage
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.
Jaeger
- Finding which service in a request path causes the latencynot Splunk
- Understanding real service dependencies rather than the diagram on the wikinot Splunk
- Debugging failures that only appear under production traffic patternsnot Splunk
Splunk
- Log search and analysis across infrastructurenot Jaeger
- SIEM, SOAR and UEBA for a security operations teamnot Jaeger
- Application performance and infrastructure monitoringnot Jaeger
- Cloud, private cloud or on-premises deploymentnot Jaeger
Where each one falls short
Documented limitations, not opinions. Every one is a constraint you would hit in normal use.
Jaeger
- Tracing is only as good as the instrumentation, and partial instrumentation produces misleading gaps
- Storage is the real operational cost: high-volume tracing on Elasticsearch or Cassandra is a cluster to run and pay for
- Traces alone, without correlated metrics and logs, leave you switching between tools during an incident
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
Jaeger
Free- JaegerFree
- Full functionality
- No usage limits
- Community support
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 Jaeger if
- You need distributed trace search.
- You want to start without paying.
- You work on Linux, Kubernetes, Docker.
- You also want dependency graph.
Choose Splunk if
- You need log aggregation.
- You work on Web, Api.
- You also want real-time monitoring.
Questions people ask
- Is Jaeger or Splunk better?
- Neither clearly leads. Jaeger starts at Free and Splunk at On request, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
- Which is cheaper, Jaeger or Splunk?
- Jaeger has a free tier; the other does not. Paid plans start at Free for Jaeger and On request for Splunk.
- Does Jaeger or Splunk run on more platforms?
- Jaeger runs on Linux, Kubernetes, Docker. Splunk runs on Web, Api.
- Can I use Jaeger for free?
- Yes. Jaeger has a free tier, so you can try it without paying. Splunk starts at On request.
- What is Jaeger best used for?
- Jaeger is most often used for finding which service in a request path causes the latency, understanding real service dependencies rather than the diagram on the wiki, debugging failures that only appear under production traffic patterns. Of those, finding which service in a request path causes the latency and understanding real service dependencies rather than the diagram on the wiki are not what Splunk is typically brought in for.
- What can Jaeger do that Splunk cannot?
- Jaeger covers Distributed trace search, Dependency graph, Adaptive sampling, Pluggable storage. Splunk covers Log aggregation, Real-time monitoring, Data visualization, Full-text search.
Answered from the vendors’ own pages
Jaeger: Is Jaeger free?
Yes, open source and CNCF-graduated. Costs are the storage backend you run.
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.
SourceJaeger: Do I use Jaeger or OpenTelemetry?
Both, usually. Instrument with OpenTelemetry and use Jaeger to store and query the traces.
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.
SourceJaeger: Does Jaeger handle metrics and logs?
No. It is a tracing system. Metrics and logs need Prometheus, Loki or an equivalent.
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.
SourceRelated pages
Other head to heads
- Jaeger vs Grafana Cloud
- Jaeger vs Neon
- Jaeger vs DigitalOcean
- Jaeger vs AWS (Amazon Web Services)
- Jaeger vs Pulumi
- Jaeger vs Fly.io
- Jaeger vs Anyscale
- Jaeger vs Fireworks AI
- Jaeger vs Podman
- Jaeger vs Railway
- Jaeger vs Render
- Jaeger vs Vault
- Jaeger vs Wiz
- Jaeger vs Beam Cloud
- Jaeger vs Cerebrium
- Jaeger vs DeepInfra
- Jaeger vs Go
- Jaeger vs Azure Functions
- Jaeger vs Prometheus
- Jaeger vs Grafana
- Jaeger vs Cloudflare
- Jaeger vs Consul
- Jaeger vs Ivanti
- Jaeger vs Palo Alto Networks
- Jaeger vs Tailscale
- Jaeger vs Traefik
- Jaeger vs Ubiquiti UniFi
- Splunk vs Grafana Cloud
- Splunk vs Neon
- Splunk vs DigitalOcean
- Splunk vs AWS (Amazon Web Services)
- Splunk vs Pulumi
- Splunk vs Fly.io
- Splunk vs Anyscale
- Splunk vs Fireworks AI
- Splunk vs Podman
- Splunk vs Railway
- Splunk vs Render
- Splunk vs Vault
- Splunk vs Wiz
- Splunk vs Beam Cloud
- Splunk vs Cerebrium
- Splunk vs DeepInfra
- Splunk vs Go
- Splunk vs Azure Functions
- Splunk vs Prometheus
- Splunk vs Grafana
- Splunk vs Cloudflare
- Splunk vs Consul
- Splunk vs Ivanti
- Splunk vs Palo Alto Networks
- Splunk vs Tailscale
- Splunk vs Traefik
- Splunk vs Ubiquiti UniFi