Axios vs Fastify: Key Differences & When to Use Each

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

Key Differences

Compare Axios and Fastify across features, pricing, integrations, and community metrics. Axios / Fastify.

Feature

Axios

Api Tools

Fastify

Web Framework

Side-by-side comparison of developer tools
Promise based HTTP client for the browser and node.js.
Fast and low overhead web framework for Node.js
GitHub Stars
⭐ 109,194
⭐ 37,058
Contributors
👥 661
👥 920
Pricing
✓ Free
Enterprise: Contact sales
✓ Free
Enterprise: Contact sales
Languages
JavaScript
JavaScript
Features
  • • Hacktoberfest
  • • Http Client
  • • Javascript
  • • Nodejs
  • • Promise
  • • Fastify
  • • Fastify Core
  • • Hacktoberfest
  • • Nodejs
  • • Performance
Integrations
  • • prometheus
No integrations listed
Momentum Score
39/100 (stable)
42/100 (slowing)
Community Health
88/100 (excellent)
62/100 (moderate)
Maturity Index
74/100 (established)
59/100 (growing)
Innovation Score
87/100 (pioneering)
64/100 (progressive)
Risk Score (higher is safer)
53/100 (low)
67/100 (low)
Developer Experience
95/100 (excellent)
68/100 (fair)
Links
🌐 Visit Website View on GitHub
🌐 Visit Website View on GitHub

Axios Strengths

  • ✓ More popular (109,194 stars)

Fastify Strengths

  • ✓ Larger community (920 contributors)

When to Use Axios vs Fastify

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

Related comparisons

Axios vs jQuery → Fastify vs Django → Axios vs gRPC → Fastify vs Laravel → Axios vs Insomnia → Fastify vs Spring Boot → Axios vs HTTPie → Fastify vs Flask → Axios vs GraphiQL → Fastify vs Express.js → Axios vs gRPCurl → Fastify vs Ruby on Rails →

More Comparisons

View Axios → View Fastify → Search More Tools →

Data source: GitHub API

Last updated: 8/30/2026