OpenFaaS vs Istio

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

Feature

OpenFaaS

Serverless

Istio

Service Mesh

Side-by-side comparison of developer tools
Serverless functions made simple
Service mesh for Kubernetes
GitHub Stars
⭐ 26,125
⭐ 38,075
Contributors
👥 187
👥 1,406
Pricing
✓ Free
Enterprise: Contact sales
✓ Free
Enterprise: Contact sales
Languages
Go
Go
Features
  • • Docker
  • • Faas
  • • Functions
  • • Functions As A Service
  • • Gitops
  • • Api Management
  • • Circuit Breaker
  • • Consul
  • • Enforce Policies
  • • Envoy
Integrations
  • • kubernetes
  • • docker
  • • aws
  • • kubernetes
Momentum Score
6/100 (stable)
74/100 (stable)
Community Health
28/100 (needs-attention)
79/100 (good)
Maturity Index
20/100 (experimental)
76/100 (established)
Innovation Score
67/100 (progressive)
81/100 (innovative)
Risk Score (higher is safer)
17/100 (high)
73/100 (low)
Developer Experience
90/100 (excellent)
65/100 (fair)
Links
🌐 Visit Website View on GitHub
🌐 Visit Website View on GitHub

OpenFaaS Strengths

Istio Strengths

  • ✓ More popular (38,075 stars)
  • ✓ Larger community (1,406 contributors)

More Comparisons

View OpenFaaS → View Istio → Search More Tools →

Data source: GitHub API

Last updated: 4/5/2026