Log Management · head to head
Splunk Enterprise vs Fluent Bit
Splunk Enterprise
Log Management
Enterprise Search, Monitoring, and Analytics
- From
- On request
- Rated
- -
The short version
- Only Fluent Bit has a free tier, so it costs nothing to try first.
- Each has a real cost: Splunk Enterprise splunk Platform and Enterprise Security offerings carry no published rate and require contacting sales for a quote; Fluent Bit fluent Bit ships over 100 built in plugins against more than 1,000 external plugins available for Fluentd, so fewer integrations exist out of the box
- They diverge on capability: Splunk Enterprise covers Log aggregation, Fluent Bit covers Log collection.
Where they differ
Only the attributes on which Splunk Enterprise and Fluent Bit actually diverge.
| Attribute | Splunk Enterprise | Fluent Bit |
|---|---|---|
| Starting price | On request | Free |
| Pricing model | usage-based | open-source |
| Free tier | No | Yes |
| Founded | 2003 | 2015 |
Identical on both: platforms (Web, Api), user rating (Not yet rated), category (Log Management).
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 Splunk Enterprise
- Log aggregation
- Real-time monitoring
- Advanced analytics
- Compliance
Only in Fluent Bit
- Log collection
- Lightweight processing
- Data parsing
- Event filtering
Both cover
- API
- Webhooks
- REST
- Web support
- Api support
What people use each for
The jobs each tool is most often brought in to do.
Splunk Enterprise
- Indexing and searching machine data and logs at enterprise scalenot Fluent Bit
- Security information and event management via Enterprise Securitynot Fluent Bit
- IT service intelligence and infrastructure observabilitynot Fluent Bit
Fluent Bit
- Lightweight log and metric forwarding from containers and edge devicesnot Splunk Enterprise
- Kubernetes node level log collection with a small memory footprintnot Splunk Enterprise
- Filtering and enriching telemetry before shipping it to a backendnot Splunk Enterprise
Where each one falls short
Documented limitations, not opinions. Every one is a constraint you would hit in normal use.
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 $15 per host per month and are billed annually rather than monthly
- Volume discounts are not published and require direct consultation with sales
Fluent Bit
- Fluent Bit ships over 100 built in plugins against more than 1,000 external plugins available for Fluentd, so fewer integrations exist out of the box
- It is written in C, so extending it beyond the built in plugins means writing C rather than Ruby
- Dependencies are zero only until a plugin requires one
Pricing, plan by plan
Splunk Enterprise
On request- Starter$undefined/month
- Log aggregation
- Real-time monitoring
- Advanced analytics
Fluent Bit
Free- FreeFree
- Log collection
- Lightweight processing
- Data parsing
Which should you pick?
Choose Splunk Enterprise if
- You need log aggregation.
- You work on Web, Api.
- You also want real-time monitoring.
Choose Fluent Bit if
- You need log collection.
- You want to start without paying.
- You work on Web, Api.
- You also want lightweight processing.
Questions people ask
- Is Splunk Enterprise or Fluent Bit better?
- Neither clearly leads. Splunk Enterprise starts at On request and Fluent Bit at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
- Which is cheaper, Splunk Enterprise or Fluent Bit?
- Fluent Bit has a free tier; the other does not. Paid plans start at On request for Splunk Enterprise and Free for Fluent Bit.
- Does Splunk Enterprise or Fluent Bit run on more platforms?
- Both run on Web, Api, so platform support will not decide this one for you.
- Can I use Fluent Bit for free?
- Yes. Fluent Bit has a free tier, so you can try it without paying. Splunk Enterprise starts at On request.
- What is Splunk Enterprise best used for?
- Splunk Enterprise is most often used for indexing and searching machine data and logs at enterprise scale, security information and event management via enterprise security, it service intelligence and infrastructure observability. Of those, indexing and searching machine data and logs at enterprise scale and security information and event management via enterprise security are not what Fluent Bit is typically brought in for.
- What can Splunk Enterprise do that Fluent Bit cannot?
- Splunk Enterprise covers Log aggregation, Real-time monitoring, Advanced analytics, Compliance. Fluent Bit covers Log collection, Lightweight processing, Data parsing, Event filtering. Both handle API, Webhooks, REST, Web support.
Related pages
More on Splunk Enterprise
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