vioscaleAI
Comparison

Elastic (ELK Stack) vs Fluentd

On the evidence we track, Elastic (ELK Stack) leads this comparison with a composite score of 64/100. Scores are only directly comparable because these tools share a category; the full breakdown and every source is below.

Elastic (ELK Stack) full profile →Fluentd full profile →
Machine formatsMarkdownJSONGraphQLMarkdown is open. JSON and GraphQL need a free key.
★Elastic (ELK Stack)64
Fluentd57
Score
vioscaleAI score
Elastic (ELK Stack)64 / 100medium · 65%
Fluentd57 / 100medium · 54%
Pricing
Free tier
Elastic (ELK Stack)✓
Fluentd✓
Model
Elastic (ELK Stack)commercial
Fluentdopen_source
Price level
Elastic (ELK Stack)high
Fluentdfree
Transparent
Elastic (ELK Stack)✓
Fluentd–
Integrations
Count
Elastic (ELK Stack)6
Fluentd500
Security
Certifications
Elastic (ELK Stack)–
FluentdThird-party security audit
Disclosure policy
Elastic (ELK Stack)✓
Fluentd–
Gdpr
Elastic (ELK Stack)✓
Fluentd–
Iso27001
Elastic (ELK Stack)✓
Fluentd–
Scorecard
Elastic (ELK Stack)5.6
Fluentd8.6
Trust center
Vulnerabilities
Reliability
Sla pct
Elastic (ELK Stack)99.95
Fluentd–
Status page
Elastic (ELK Stack)✓
Fluentd–
Adoption
Dependent repos
Elastic (ELK Stack)18,551
Fluentd3,044
Github stars
Elastic (ELK Stack)78,270
Fluentd13,607
Activity
Commits last 30d
Elastic (ELK Stack)100
Fluentd29
Release
Cadence days
Elastic (ELK Stack)–
Fluentd70
History
Elastic (ELK Stack)20 items
Fluentd20 items
License
Spdx
Elastic (ELK Stack)–
FluentdApache-2.0
Language
Primary
Elastic (ELK Stack)Java
FluentdRuby
Market
Availability
Content
Faq
Elastic (ELK Stack)7 items
Fluentd5 items

Capabilities

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

Core
Pipeline role
Elastic (ELK Stack)End-to-end platform
FluentdShipper
Search
Full-text log search
Elastic (ELK Stack)✓
Fluentd-
Live tail / stream
Elastic (ELK Stack)✓
Fluentd-
Processing
Structured parsing
Elastic (ELK Stack)✓
Fluentd✓
PII redaction at ingest
Elastic (ELK Stack)-
Fluentd-
Ops
Log-based alerting
Elastic (ELK Stack)✓
Fluentd-
Dashboards / visualisation
Elastic (ELK Stack)✓
Fluentd-
Storage
Retention tiering
Elastic (ELK Stack)✓
Fluentd-
Object-store columnar backend
Elastic (ELK Stack)✗
Fluentd-
Interop
OpenTelemetry logs
Elastic (ELK Stack)-
Fluentd-
Query language
Elastic (ELK Stack)ES|QL (with native PromQL support)
Fluentd-
Deployment
Hosting
Elastic (ELK Stack)Cloud + self-hosted
FluentdSelf-hosted only

What each one is

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

Elastic (ELK Stack)

Leader

Open-source system for collecting logs and application data, indexing them for searchability, and providing interactive dashboards for analysis. Supports both cloud-hosted and self-managed deployments.

Independently observed

Fluentd

Collects event data from various sources and forwards it to multiple destinations including databases, cloud services, and data platforms. Designed to centralize log infrastructure across applications and systems.

Independently observed

Pricing

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

Elastic (ELK Stack)

Leader
from $99/moSubscriptionFree tier14-day trial

From $99/month. Subscription model with free 14-day trial. Usage-based pricing for cloud resources (120 GB storage / 2 zones baseline).

  • StandardFrom $99/month. Free 14-day trial.
    • Distributed Elasticsearch Platform on AWS, Azure, GCP
    • Elasticsearch Query Language (ES|QL)
    • AutoOps monitoring
    • Hundreds of out-of-the-box integrations
    • Discover, dashboards, alerting
    • +4 more
  • GoldFrom $114/month. Includes reporting and third-party integrations.
    • Everything in Standard
    • Reporting
    • Third-party alerting actions
    • Watcher
    • Enterprise Search
    • +2 more
  • PlatinumFrom $131/month. ML and advanced security included.
    • Everything in Gold
    • Advanced security features
    • Machine learning: anomaly detection, supervised learning
    • Cross-cluster replication
    • Semantic and vector search with ML models (ELSER, e5)
    • +5 more
  • EnterpriseFrom $184/month. Full AI suite and advanced automation.
    • Everything in Platinum
    • Searchable snapshots in cold/frozen tiers
    • Elastic Maps Server
    • Cross-cluster search and ES|QL Data Federation
    • GPU inference with Elastic Inference Service
    • +10 more
as of verify ↗

Fluentd

Open sourceFree tier
as of verify ↗

Platform & deployment

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

Platforms
Web
Elastic (ELK Stack)✓
Fluentd✗
macOS
Elastic (ELK Stack)✗
Fluentd✓
Windows
Elastic (ELK Stack)✗
Fluentd✓
Linux
Elastic (ELK Stack)✗
Fluentd✓
CLI
Elastic (ELK Stack)✓
Fluentd✓
Deployment
Cloud / SaaS
Elastic (ELK Stack)✓
Fluentd✗
Self-hosted
Elastic (ELK Stack)✓
Fluentd✓

Integrations

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

Elastic (ELK Stack)

Leader
32 total
  • OpenAI
  • Anthropic
  • Jina AI
  • Amazon Bedrock
  • Google Vertex AI
  • Microsoft Azure AI
  • Mistral
  • Cohere
  • Hugging Face
  • NVIDIA
  • IBM watsonx
  • LlamaIndex
  • LangChain
  • Vectorize.io
  • Slack
  • Jira
  • PagerDuty
  • ServiceNow
  • Microsoft Teams
  • xMatters
  • IBM Resilient
  • Filebeat
  • Metricbeat
  • Heartbeat
  • +8 more
Independently observed

Fluentd

Not documented yet.

Still deciding?

Elastic (ELK Stack) or Fluentd: which one depends on you

A composite score cannot know your constraints. Describe them and both get re-weighted against what you actually need, with the evidence behind every position.

Free to run, no account needed to start. How the evaluation works

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