vioscale
Comparison

Elastic (ELK Stack) vs Fluent Bit

On the evidence we track, Elastic (ELK Stack) leads this comparison with a composite score of 68/100. Scores are only directly comparable because these tools share a category; the full breakdown and every source is below.

Elastic (ELK Stack) full profile →Fluent Bit full profile →
Machine formatsJSONMarkdownGraphQLor send Accept: application/json
★Elastic (ELK Stack)68
Fluent Bit53
Score
Vioscale score
Elastic (ELK Stack)68 / 100medium · 68%
Fluent Bit53 / 100low · 42%
Pricing
Free tier
Elastic (ELK Stack)✓
Fluent Bit✓
Model
Elastic (ELK Stack)commercial
Fluent Bitcommercial
Price level
Elastic (ELK Stack)high
Fluent Bitfree
Transparent
Elastic (ELK Stack)✓
Fluent Bit–
Integrations
Count
Elastic (ELK Stack)35
Fluent Bit100
Security
Disclosure policy
Elastic (ELK Stack)✓
Fluent Bit–
Gdpr
Elastic (ELK Stack)✓
Fluent Bit–
Iso27001
Elastic (ELK Stack)✓
Fluent Bit–
Scorecard
Elastic (ELK Stack)6.9
Fluent Bit6.2
Vulnerabilities
Reliability
Sla pct
Elastic (ELK Stack)99.95
Fluent Bit–
Status page
Elastic (ELK Stack)✓
Fluent Bit–
Adoption
Dependent repos
Elastic (ELK Stack)18,551
Fluent Bit0
Github stars
Elastic (ELK Stack)77,862
Fluent Bit8,062
Activity
Commits last 30d
Elastic (ELK Stack)100
Fluent Bit100
Release
Cadence days
Elastic (ELK Stack)–
Fluent Bit8
History
Elastic (ELK Stack)20 items
Fluent Bit20 items
License
Spdx
Elastic (ELK Stack)–
Fluent BitApache-2.0
Language
Primary
Elastic (ELK Stack)Java
Fluent BitC
Market
Availability

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
Fluent BitShipper
Search
Full-text log search
Elastic (ELK Stack)✓
Fluent Bit-
Live tail / stream
Elastic (ELK Stack)✓
Fluent Bit-
Processing
Structured parsing
Elastic (ELK Stack)✓
Fluent Bit✓
PII redaction at ingest
Elastic (ELK Stack)-
Fluent Bit-
Ops
Log-based alerting
Elastic (ELK Stack)✓
Fluent Bit-
Dashboards / visualisation
Elastic (ELK Stack)✓
Fluent Bit-
Storage
Retention tiering
Elastic (ELK Stack)✓
Fluent Bit-
Object-store columnar backend
Elastic (ELK Stack)✗
Fluent Bit-
Interop
OpenTelemetry logs
Elastic (ELK Stack)-
Fluent BitNative
Query language
Elastic (ELK Stack)ES|QL (with native PromQL support)
Fluent Bit-
Deployment
Hosting
Elastic (ELK Stack)Cloud + self-hosted
Fluent BitCloud + self-hosted

What each one is

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

Elastic (ELK Stack)

Leader

A cloud-based observability and search platform that ingests logs from multiple sources, automatically structures them with AI, and enables full-text search, alerting, dashboards, and machine learning analysis on unstructured data.

Independently observed

Fluent Bit

Collects and routes telemetry data from distributed systems with high efficiency and built-in support for the OpenTelemetry standard.

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 ↗

Fluent Bit

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)✓
Fluent Bit✗
macOS
Elastic (ELK Stack)✗
Fluent Bit✓
Windows
Elastic (ELK Stack)✗
Fluent Bit✓
Linux
Elastic (ELK Stack)✗
Fluent Bit✓
CLI
Elastic (ELK Stack)✓
Fluent Bit✓
Deployment
Cloud / SaaS
Elastic (ELK Stack)✓
Fluent Bit✓
Self-hosted
Elastic (ELK Stack)✓
Fluent Bit✓
On-premise
Elastic (ELK Stack)✗
Fluent Bit✓
Hybrid
Elastic (ELK Stack)✓
Fluent Bit✓

Integrations

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

In common (1)
  • AWS S3

Elastic (ELK Stack)

Leader
31 total - 30 not shared
  • 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
  • +6 more
Independently observed

Fluent Bit

12 total - 11 not shared
  • Google Cloud Storage
  • Kubernetes
  • OpenTelemetry
  • Syslog
  • Prometheus
  • Windows Event Log
  • Podman
  • NVIDIA GPU
  • HTTP
  • Google Chronicle
  • Fluent Forward
Independently observed

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