Comparison

Axum vs FastAPI

On the evidence we track, FastAPI leads this comparison with a composite score of 73/100. Scores are only directly comparable because these tools share a category; the full breakdown and every source is below.

Machine formatsJSONMarkdownGraphQLor send Accept: application/json
Axum48
FastAPI73
Score
Vioscale score
Axum48 / 100low · 23%
FastAPI73 / 100high · 78%
Pricing
Free tier
Axum
FastAPI
Model
Price level
Axumfree
FastAPIfree
Integrations
Count
Axum
FastAPI11
Reliability
Status page
Axum
FastAPI
Adoption
Dependent repos
Axum4,645
FastAPI43,608
Github stars
Axum27,001
FastAPI101,862
Package downloads weekly
Axum
Stackoverflow questions
Axum
FastAPI31,000
Activity
Commits last 30d
Axum20
FastAPI210
Release
Cadence days
Axum
FastAPI14
History
FastAPI20 items
License
Spdx
AxumMIT
FastAPIMIT
Language
Primary
AxumRust
FastAPIPython
Market
Availability
Content
Faq
Axum
FastAPI8 items

Capabilities

Feature-by-feature on the axes that matter for backend frameworks. “-” means undocumented, not absent.

Capabilities
Language runtime
AxumRust
FastAPI-
Architecture style
Axum-
FastAPI-
Async model
AxumEvent loop async
FastAPI-
Orm included
Axum-
FastAPI-
Templating included
Axum-
FastAPI-
Dependency injection
Axum-
FastAPI-
CLI scaffolding
Axum-
FastAPI-
Openapi autogen
Axum-
FastAPI-
Websocket support
Axum-
FastAPI-
Background jobs included
Axum-
FastAPI-
Testing framework included
Axum-
FastAPI-
API first
Axum
FastAPI-
Admin UI generated
Axum-
FastAPI-
License type
Axum-
FastAPI-

What each one is

The product in its own terms, so the numbers below have context.

Axum

A Rust library enabling declarative HTTP routing, request data parsing, and response generation for web service development with minimal boilerplate

Independently observed

FastAPI

Leader

FastAPI is a modern web framework for constructing APIs in Python that combines high performance with developer convenience through automatic validation, interactive documentation generation, and first-class type hint support.

Independently observed

Pricing

List pricing as published by each vendor, with the date we read it. Always verify at the source before you buy.

Axum

Open sourceFree tier
as of verify ↗

FastAPI

Leader
Open sourceFree tier
as of verify ↗

Platform & deployment

Where each product runs and how it can be hosted. A dash means undocumented, not unsupported.

Platforms
Web
Axum
FastAPI
CLI
Axum
FastAPI
Deployment
Cloud / SaaS
Axum
FastAPI
Self-hosted
Axum
FastAPI

Integrations

What each product connects to. Counts come from the vendor's own integration directory where one exists.

Axum

Not documented yet.

FastAPI

Leader
11 total
  • Starlette
  • Pydantic
  • OpenAPI
  • JSON Schema
  • Swagger UI
  • ReDoc
  • OAuth2
  • JWT
  • HTTP Basic authentication
  • Cookies
  • Session management
Independently observed

Comparison generated from independently-sourced facts. Every value links to its source and retrieval date. See the method.