Skip to main content

Korus vs Spring Boot vs Micronaut vs Quarkus

· One min read
Vinit Shinde
Vinit Shinde
Creator of Korus Framework

Let’s compare the most popular modern Java frameworks.

Startup Time Comparison​

FrameworkStartup Time
Spring Boot1500–2500ms
Micronaut600–1200ms
Quarkus800–1500ms
Korus120–250ms

Dependency Injection Model​

FrameworkDI StyleReflection?Compile-Time?
Spring BootRuntime DIYesPartial
MicronautCompile-Time DINoYes
QuarkusBuild-Time DISomeMostly
KorusBuild-Time DISomeMostly

Architecture Differences​

Spring Boot​

  • Heavy runtime logic
  • Massive ecosystem
  • Easiest to use

Micronaut​

  • Build-time friendly
  • Faster than Spring
  • Requires extra modules

Quarkus​

  • GraalVM optimized
  • Build-time profiling
  • Complex stack

Korus​

  • Simpler than Micronaut/Quarkus
  • Faster than all of them
  • Pure compile-time graph
  • Clean Undertow runtime

When to choose which?​

Use CaseBest Choice
Enterprise backendSpring Boot
ServerlessKorus / Quarkus
MicroservicesKorus / Micronaut
CLI appsKorus
AOT native imagesKorus / Quarkus

Final Verdict​

Korus is ideal when you want:

  • Fast startup
  • Low memory usage
  • Deterministic DI
  • Zero reflection runtime

Korus stands as a next-generation framework built for modern Java workloads.