OpenFaaS vs Kubernetes: Key Differences & When to Use Each

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

Key Differences

Compare OpenFaaS and Kubernetes across features, pricing, integrations, and community metrics. OpenFaaS / Kubernetes.

Feature

OpenFaaS

Serverless

Kubernetes

Orchestration

Side-by-side comparison of developer tools
Serverless functions made simple
Container orchestration platform
GitHub Stars
⭐ 26,148
⭐ 122,057
Contributors
👥 187
👥 5,689
Pricing
✓ Free
Enterprise: Contact sales
✓ Free
Enterprise: Contact sales
Languages
Go
Go
Features
  • • Docker
  • • Faas
  • • Functions
  • • Functions As A Service
  • • Gitops
  • • Cncf
  • • Containers
  • • Go
  • • Kubernetes
Integrations
  • • kubernetes
  • • docker
  • • aws
  • • kubernetes
  • • docker
Momentum Score
14/100 (stable)
79/100 (stable)
Community Health
34/100 (needs-attention)
95/100 (excellent)
Maturity Index
28/100 (experimental)
95/100 (mature)
Innovation Score
70/100 (innovative)
91/100 (pioneering)
Risk Score (higher is safer)
25/100 (high)
94/100 (minimal)
Developer Experience
91/100 (excellent)
95/100 (excellent)
Links
🌐 Visit Website View on GitHub
🌐 Visit Website View on GitHub

OpenFaaS Strengths

  • ✓ More features (5 listed)

Kubernetes Strengths

  • ✓ More popular (122,057 stars)
  • ✓ Larger community (5,689 contributors)

When to Use OpenFaaS vs Kubernetes

Use OpenFaaS when its strengths align better with your stack and team needs, and choose Kubernetes when its ecosystem, integrations, or cost profile is a better fit.

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Data source: GitHub API

Last updated: 5/4/2026