Comparison

FastAPI vs Spring Boot

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
FastAPI73
Spring Boot63
Score
Vioscale score
FastAPI73 / 100high · 78%updating
Spring Boot63 / 100medium · 54%updating
Pricing
Free tier
FastAPI
Spring Boot
Model
FastAPIcommercial
Spring Bootcommercial
Price level
FastAPIfree
Spring Boot
Integrations
Count
FastAPI11
Spring Boot
Reliability
Status page
FastAPI
Spring Boot
Adoption
Dependent repos
FastAPI43,608
Spring Boot54,477
Github stars
FastAPI101,862
Spring Boot81,366
Package downloads weekly
Spring Boot
Stackoverflow questions
FastAPI31,000
Spring Boot
Activity
Commits last 30d
FastAPI210
Spring Boot100
Release
Cadence days
FastAPI14
Spring Boot
History
FastAPI20 items
Spring Boot20 items
License
Spdx
FastAPIMIT
Spring BootApache-2.0
Language
Primary
FastAPIPython
Spring BootJava
Market
Availability
Spring Boot
Content
Faq
FastAPI8 items
Spring Boot

Capabilities

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

Core
Rendering model
FastAPI-
Spring Boot-
File-based routing
FastAPI-
Spring Boot-
Language
FastAPIPython
Spring BootJava
Rendering
Server components
FastAPI-
Spring Boot
Streaming SSR
FastAPI-
Spring Boot-
Fullstack
Built-in API / backend routes
FastAPI
Spring Boot
DX
First-class TypeScript
FastAPI-
Spring Boot-
Fast refresh / HMR
FastAPI
Spring Boot-
Deployment
Edge runtime support
FastAPI-
Spring Boot-

What each one is

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

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

Spring Boot

A framework for creating stand-alone, production-grade Spring applications with minimal configuration. Features embedded web servers (Tomcat, Jetty, Undertow), opinionated starter dependencies, automatic configuration, and production-ready features such as metrics and health checks.

Independently observed

Pricing

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

FastAPI

Leader
Open sourceFree tier
as of verify ↗

Spring Boot

Pricing not documented yet.

Platform & deployment

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

Platforms
Web
FastAPI
Spring Boot
CLI
FastAPI
Spring Boot
Deployment
Cloud / SaaS
FastAPI
Spring Boot
Self-hosted
FastAPI
Spring Boot

Integrations

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

FastAPI

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

Spring Boot

Not documented yet.

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