Envoy vs NATS: Key Differences & When to Use Each

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

Key Differences

Compare Envoy and NATS across features, pricing, integrations, and community metrics. Envoy / NATS.

Feature

Envoy

Proxy

NATS

Messaging

Side-by-side comparison of developer tools
Cloud-native high-performance edge/middle/service proxy
High-performance messaging system
GitHub Stars
⭐ 27,911
⭐ 19,734
Contributors
👥 1,611
👥 217
Pricing
✓ Free
Enterprise: Contact sales
✓ Free
Enterprise: Contact sales
Languages
C++
Go
Features
  • Cars
  • Cats
  • Cats Over Dogs
  • Cncf
  • Corgis
  • Cloud
  • Cloud Computing
  • Cloud Native
  • Connected Vehicle
  • Distributed Systems
Integrations
No integrations listed
No integrations listed
Momentum Score
89/100 (stable)
55/100 (slowing)
Community Health
77/100 (good)
19/100 (needs-attention)
Maturity Index
71/100 (established)
28/100 (experimental)
Innovation Score
70/100 (innovative)
34/100 (traditional)
Risk Score (higher is safer)
82/100 (minimal)
25/100 (high)
Developer Experience
68/100 (fair)
36/100 (poor)
Links

Envoy Strengths

  • ✓ More popular (27,911 stars)
  • ✓ Larger community (1,611 contributors)

NATS Strengths

When to Use Envoy vs NATS

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

Data source: GitHub API

Last updated: 5/4/2026