Swagger Codegen vs GraphQL Code Generator

Swagger Codegen9.1Visit GraphQL Code Generator8.4Visit

Higher score Swagger Codegen #2 in Code Generators 9.1/10 Open source ✓ 4 of 5 features Try Swagger Codegen

vs

GraphQL Code Generator #8 in Code Generators 8.4/10 Free plan Free plan✓ 5 of 5 features Visit Code Generator

• Swagger Codegen fits best

  OpenAPI clients and server stubs

• GraphQL Code Generator fits best

  GraphQL teams needing broad typed output

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Side by side

Feature	Swagger Codegen 9.1/10 Visit ↗	GraphQL Code Generator 8.4/10 Visit ↗
At a glance
Editor score	9.1	8.4
Ranking	#2 in Code Generators	#8 in Code Generators
Best for	OpenAPI clients and server stubs	GraphQL teams needing broad typed output
Pricing model	Free	Free
Starting price	Open source	Free plan
Free plan	Not checked yet	✓ (best)
Free trial	—	—
Support	Docs	Docs
Built for	Solo, Small business, Mid-market, Enterprise	Solo, Small business, Mid-market, Enterprise
Features Swagger Codegen 4/5 · GraphQL Code Generator 5/5
Project scaffolding	✓	✓
Custom templates	✓	✓
Schema-to-code generation	✓	✓
CLI available	✓	✓
IDE plugins	Not checked yet	✓ (best)
Specs
Supported languages	csharp, csharp-dotnet2, dart, go, java, javascript, jaxrs-cxf-client, kotlin-client, php, python, r, ruby, scala, swift3, swift4, swift5, typescript-angular, typescript-axios, typescript-fetch; server: aspnetcore, go-server, inflector, java-vertx, jaxrs-cxf, jaxrs-cxf-cdi, jaxrs-di, jaxrs-jersey, jaxrs-resteasy, jaxrs-resteasy-eap, jaxrs-spec, kotlin-server, micronaut, nodejs-server, python-flask, scala-akka-http-server, spring	TypeScript, Flow, Java, C#, Dart, Reason, Swift, Kotlin
Our review
Pros	Generates client SDKs in more than 40 languages Generates server stubs in more than 20 languages Supports custom templates, CLI, and online generation	Generates typed clients, resolvers, SDKs, documents, and schema artifacts Provides 51 plugins, presets, custom plugins, and custom templates Supports watch mode, a CLI wizard, and a programmatic API
Cons	Verified integrations are limited Separate 2.x and 3.x version lines add a version choice Does not provide AI features	Requires configuration through selected plugins, presets, or templates Its focus is GraphQL schema and operation workflows Broad output options may require project-specific decisions
Our verdict	Swagger Codegen is an open-source tool for developers and teams implementing or consuming APIs defined with Swagger or OpenAPI specifications. It generates client SDKs, server stubs, and API documentation from OpenAPI descriptions, making… Read the review →	GraphQL Code Generator is an open-source, plugin-based tool for generating typed code from GraphQL schemas and operations. It is aimed at frontend and backend teams that need typed queries, mutations, subscriptions, fragments, resolvers,… Read the review →

Strengths and trade-offs

• Swagger Codegen — where it wins

  • Generates client SDKs in more than 40 languages
  • Generates server stubs in more than 20 languages
  • Supports custom templates, CLI, and online generation

  Where it doesn't

  • Verified integrations are limited
  • Separate 2.x and 3.x version lines add a version choice
  • Does not provide AI features

• GraphQL Code Generator — where it wins

  • Generates typed clients, resolvers, SDKs, documents, and schema artifacts
  • Provides 51 plugins, presets, custom plugins, and custom templates
  • Supports watch mode, a CLI wizard, and a programmatic API

  Where it doesn't

  • Requires configuration through selected plugins, presets, or templates
  • Its focus is GraphQL schema and operation workflows
  • Broad output options may require project-specific decisions

• Swagger Codegen9.1/10 · Open source

  A broad OpenAPI code generator with strong language coverage and CLI access.

  Try Swagger CodegenFull verdict →
• GraphQL Code Generator8.4/10 · Free plan

  A free, open-source generator for typed GraphQL clients, resolvers, SDKs, and documents.

  Visit Code GeneratorFull verdict →