Comparison

Fluentd vs Splunk

On the evidence we track, Fluentd leads this comparison with a composite score of 58/100. Scores are only directly comparable because these tools share a category; the full breakdown and every source is below.

Machine formatsJSONMarkdownGraphQLor send Accept: application/json
Fluentd58
Splunk50
Score
Vioscale score
Fluentd58 / 100low · 43%updating
Splunk50 / 100low · 40%updating
Pricing
Free tier
Fluentd
Splunk
Model
Price level
Fluentdfree
Splunkunknown
Transparent
Fluentd
Splunk
Integrations
Count
Fluentd500
Splunk2,000
Reliability
Status page
Fluentd
Splunk
Adoption
Dependent repos
Fluentd3,044
Splunk
Github stars
Fluentd13,578
Splunk
Activity
Commits last 30d
Fluentd23
Splunk
Release
Cadence days
Fluentd70
Splunk
History
Fluentd20 items
Splunk
License
Spdx
FluentdApache-2.0
Splunk
Language
Primary
FluentdRuby
Splunk
Market
Availability
Fluentd

Capabilities

Feature-by-feature on the axes that matter for log management software. “-” means undocumented, not absent.

Core
Pipeline role
FluentdShipper
SplunkEnd-to-end platform
Search
Full-text log search
Fluentd-
Splunk
Live tail / stream
Fluentd-
Splunk-
Processing
Structured parsing
Fluentd
Splunk
PII redaction at ingest
Fluentd-
Splunk-
Ops
Log-based alerting
Fluentd-
Splunk
Dashboards / visualisation
Fluentd-
Splunk
Storage
Retention tiering
Fluentd-
Splunk-
Object-store columnar backend
Fluentd-
Splunk-
Interop
OpenTelemetry logs
Fluentd-
SplunkNative
Query language
Fluentd-
Splunk-
Deployment
Hosting
FluentdSelf-hosted only
SplunkCloud + self-hosted

What each one is

The product in its own terms, so the numbers below have context.

Fluentd

Leader

Fluentd is an open source data collector that consolidates logs and events from multiple applications and systems into a unified pipeline, enabling better data routing, processing, and consumption across your infrastructure.

Independently observed

Splunk

Splunk ingests system and application data from across an enterprise and processes it to help security and operations teams identify problems quickly, respond to threats automatically, and understand system performance.

Independently observed

Pricing

List pricing as published by each vendor, with the date we read it. Always verify at the source before you buy.

Fluentd

Leader
Open sourceFree tier
as of verify ↗

Splunk

Usage-based14-day trial

Multiple usage-based pricing models (Ingest, Workload, Entity). Contact sales for quotes.

as of verify ↗

Platform & deployment

Where each product runs and how it can be hosted. A dash means undocumented, not unsupported.

Platforms
Web
Fluentd
Splunk
macOS
Fluentd
Splunk
Windows
Fluentd
Splunk
Linux
Fluentd
Splunk
CLI
Fluentd
Splunk
Deployment
Cloud / SaaS
Fluentd
Splunk
Self-hosted
Fluentd
Splunk

Integrations

What each product connects to. Counts come from the vendor's own integration directory where one exists.

Fluentd

Leader

Not documented yet.

Splunk

3 total
  • OpenTelemetry
  • Cisco Talos
  • AWS
Independently observed

Comparison generated from independently-sourced facts. Every value links to its source and retrieval date. See the method.