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APIs · head to head

Hasura vs Swagger/OpenAPI

Hasura logo

Hasura

APIs

GraphQL engine that instantly creates production-ready GraphQL API from databases

From
Free
Rated
-
Full reviewWebsite
Swagger/OpenAPI logo

Swagger/OpenAPI

APIs

API specification and documentation framework using OpenAPI standard

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: Hasura active model definition: model/command accessed more than 1,000 times monthly; Swagger/OpenAPI the OpenAPI Specification itself is licensed under Apache License 2.0 and free to use; SwaggerHub is a separate paid tool built on top of it
  • They diverge on capability: Hasura covers GraphQL API, Swagger/OpenAPI covers OpenAPI Specification.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which Hasura and Swagger/OpenAPI actually diverge.

Attributes where Hasura and Swagger/OpenAPI differ
AttributeHasuraSwagger/OpenAPI
PlatformsWebWeb, CLI, Desktop
Founded20172001

Identical on both: starting price (Free), pricing model (freemium), free tier (Yes), user rating (Not yet rated), category (APIs).

What each one covers

Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.

Only in Hasura

  • GraphQL API
  • Real-time subscriptions
  • Access control
  • PostgreSQL
  • MySQL
  • Webhooks
  • REST APIs
  • Cloud support

Only in Swagger/OpenAPI

  • OpenAPI Specification
  • Interactive Documentation
  • Code Generation
  • GitHub
  • GitLab
  • Jenkins
  • IDE plugins
  • Web support

What people use each for

The jobs each tool is most often brought in to do.

Hasura

  • Automatic GraphQL API generation from existing databasesnot Swagger/OpenAPI
  • Real-time data subscriptions for modern applicationsnot Swagger/OpenAPI
  • Backend infrastructure for web and mobile applicationsnot Swagger/OpenAPI
  • Event-triggered webhooks for database changesnot Swagger/OpenAPI

Swagger/OpenAPI

  • API Developmentnot Hasura
  • API Gatewaynot Hasura
  • API Testingnot Hasura
  • API Documentationnot Hasura
  • Microservicesnot Hasura

Where each one falls short

Documented limitations, not opinions. Every one is a constraint you would hit in normal use.

Hasura

  • Active model definition: model/command accessed more than 1,000 times monthly
  • Private DDN requires Base or Advanced plan

Swagger/OpenAPI

  • The OpenAPI Specification itself is licensed under Apache License 2.0 and free to use; SwaggerHub is a separate paid tool built on top of it

Pricing, plan by plan

Hasura

Free
  • DDN FreeFree
    • Unlimited models
    • 1 supergraph developer
    • 15-minute observability retention
  • DDN Base$5/month
    • Per active model billing
    • Unlimited developers
    • 30-day observability retention
  • DDN Advanced$30/month
    • Per active model billing
    • Federated collaboration
    • Multi-repo CI/CD

Swagger/OpenAPI

Free
  • Open SourceFree
    • OpenAPI specification
    • Community tools
  • SwaggerHub FreeFree
    • Cloud editor
    • API mocking
    • API testing
  • SwaggerHub Pro$75/monthly
    • Team collaboration
    • Advanced mocking
    • Analytics

Which should you pick?

Choose Hasura if

  • You need graphql api.
  • You want to start without paying.
  • You also want real-time subscriptions.
Hasura review

Choose Swagger/OpenAPI if

  • You need openapi specification.
  • You want to start without paying.
  • You work on Web, CLI, Desktop.
  • You also want interactive documentation.
Swagger/OpenAPI review

Questions people ask

Is Hasura or Swagger/OpenAPI better?
Neither clearly leads. Hasura starts at Free and Swagger/OpenAPI at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Hasura or Swagger/OpenAPI?
Hasura starts at Free and Swagger/OpenAPI at Free.
Does Hasura or Swagger/OpenAPI run on more platforms?
Hasura runs on Web. Swagger/OpenAPI runs on Web, CLI, Desktop.
Can I use Hasura for free?
Both have a free tier, so you can try either at no cost before committing.
What is Hasura best used for?
Hasura is most often used for automatic graphql api generation from existing databases, real-time data subscriptions for modern applications, backend infrastructure for web and mobile applications, event-triggered webhooks for database changes. Of those, automatic graphql api generation from existing databases and real-time data subscriptions for modern applications are not what Swagger/OpenAPI is typically brought in for.
What can Hasura do that Swagger/OpenAPI cannot?
Hasura covers GraphQL API, Real-time subscriptions, Access control, PostgreSQL. Swagger/OpenAPI covers OpenAPI Specification, Interactive Documentation, Code Generation, GitHub.

Answered from the vendors’ own pages

Hasura: How much does Hasura cost?

Hasura DDN Free is free. DDN Base starts at $5/active model/month, and DDN Advanced starts at $30/active model/month.

Source
Swagger/OpenAPI: Is Swagger UI free to use?

Swagger UI is an open source tool with source code publicly available on GitHub at no cost. It is one of thousands of free open source projects in the Swagger ecosystem.

Source
Hasura: What is an active model in Hasura pricing?

An active model is defined as any model or command accessed more than 1,000 times monthly.

Source
Swagger/OpenAPI: What commercial Swagger products are available beyond the open source tools?

Swagger offers Swagger for Teams for streamlined API workflow with interactive editors and hosted documentation, and Swagger Enterprise for organizations needing secure on-premise or cloud-based environments. Specific pricing requires contacting sales.

Source
Hasura: Is there a free version of Hasura?

Yes, Hasura DDN Free is always free and includes unlimited models, 1 supergraph developer, and 15-minute observability retention.

Source
Swagger/OpenAPI: Are there commercial versions that build on the open source Swagger tools?

Yes, commercial Swagger products integrate the core functionality of Swagger open source tools (Editor, UI, and Codegen) with advanced capabilities for team collaboration, standards enforcement, and enterprise features.

Source
Swagger/OpenAPI: Is there a trial available for Swagger commercial products?

A Start Trial call-to-action is available on the Swagger website, but specific trial duration and terms are not disclosed on the product pages.

Source
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