Fluent Bit vs Fluentd

Comprehensive side-by-side comparison of features, pricing, and metrics

Feature

Fluent Bit

Logging

Fluentd

Logging

Side-by-side comparison of developer tools
Fast and lightweight log processor
Unified logging layer
GitHub Stars
⭐ 7,775
⭐ 13,514
Contributors
👥 538
👥 280
Pricing
✓ Free
Enterprise: Contact sales
✓ Free
Enterprise: Contact sales
Languages
C
Ruby
Features
  • C
  • Cloudnative
  • Data Collector
  • Fluent Bit
  • Fluentd
  • Cncf
  • Data Collector
  • Fluentd
  • Logging
  • Ruby
Integrations
  • • prometheus
No integrations listed
Momentum Score
95/100 (stable)
20/100 (stable)
Community Health
42/100 (developing)
16/100 (needs-attention)
Maturity Index
31/100 (experimental)
20/100 (experimental)
Innovation Score
37/100 (traditional)
21/100 (traditional)
Risk Score (higher is safer)
49/100 (medium)
21/100 (high)
Developer Experience
30/100 (poor)
30/100 (poor)
Links

Fluent Bit Strengths

  • ✓ Larger community (538 contributors)

Fluentd Strengths

  • ✓ More popular (13,514 stars)

Data source: GitHub API

Last updated: 4/5/2026