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APIs · head to head

Strapi vs Swagger/OpenAPI

Strapi logo

Strapi

APIs

Headless CMS with REST and GraphQL APIs

From
$35/month
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

  • Only Swagger/OpenAPI has a free tier, so it costs nothing to try first.
  • Each has a real cost: Strapi cloud pricing is per project, not per account, so a second project doubles the bill; 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: Strapi covers REST 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 Strapi and Swagger/OpenAPI actually diverge.

Attributes where Strapi and Swagger/OpenAPI differ
AttributeStrapiSwagger/OpenAPI
Starting price$35/monthFree
Pricing modelsubscriptionfreemium
Free tierNoYes
PlatformsNode.js, Cloud, Self-hosted, DockerWeb, CLI, Desktop
Founded20152001

Identical on both: 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 Strapi

  • REST API
  • GraphQL API
  • Content management
  • PostgreSQL
  • MySQL
  • MongoDB
  • AWS
  • Webhooks

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.

Strapi

  • Running a self hosted headless CMS with a REST or GraphQL APInot Swagger/OpenAPI
  • Giving editors a content admin panel over a custom content modelnot Swagger/OpenAPI

Swagger/OpenAPI

  • API Developmentnot Strapi
  • API Gatewaynot Strapi
  • API Testingnot Strapi
  • API Documentationnot Strapi
  • Microservicesnot Strapi

Where each one falls short

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

Strapi

  • Cloud pricing is per project, not per account, so a second project doubles the bill
  • Starter at $35 a month allows 100,000 API requests, and overage is $1.50 per 25,000
  • Extra bandwidth is $30 per 100 GB and extra asset storage $0.60 per GB
  • Backups start at the Pro plan, weekly, and only become daily at Business
  • An uptime SLA is Business only, at $450 a month per project
  • Additional environments cost $60 a month on Pro and $300 a month on Business

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

Strapi

$35/month
  • Starter$35/month
    • 100k API requests
    • 50 GB asset storage
    • 50 GB asset bandwidth
  • Pro$90/month
    • 1M API requests
    • 250 GB asset storage
    • 500 GB asset bandwidth
  • Business$450/month
    • 10M API requests
    • 1000 GB asset storage
    • 1000 GB asset bandwidth

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 Strapi if

  • You need rest api.
  • You work on Node.js, Cloud, Self-hosted, Docker.
  • You also want graphql api.
Strapi 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 Strapi or Swagger/OpenAPI better?
Neither clearly leads. Strapi starts at $35/month and Swagger/OpenAPI at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Strapi or Swagger/OpenAPI?
Swagger/OpenAPI has a free tier; the other does not. Paid plans start at $35/month for Strapi and Free for Swagger/OpenAPI.
Does Strapi or Swagger/OpenAPI run on more platforms?
Strapi runs on Node.js, Cloud, Self-hosted, Docker. Swagger/OpenAPI runs on Web, CLI, Desktop.
Can I use Swagger/OpenAPI for free?
Yes. Swagger/OpenAPI has a free tier, so you can try it without paying. Strapi starts at $35/month.
What is Strapi best used for?
Strapi is most often used for running a self hosted headless cms with a rest or graphql api, giving editors a content admin panel over a custom content model. Of those, running a self hosted headless cms with a rest or graphql api and giving editors a content admin panel over a custom content model are not what Swagger/OpenAPI is typically brought in for.
What can Strapi do that Swagger/OpenAPI cannot?
Strapi covers REST API, GraphQL API, Content management, PostgreSQL. Swagger/OpenAPI covers OpenAPI Specification, Interactive Documentation, Code Generation, GitHub.

Answered from the vendors’ own pages

Strapi: How much do API request overages cost?

Additional API requests beyond the plan limit cost $1.50 per 25000 requests. Extra asset storage costs $0.60 per GB, and additional bandwidth costs $30 per 100 GB.

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
Strapi: Is yearly billing available?

Yes, yearly billing saves up to 17% compared to monthly billing on Strapi Cloud plans.

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
Strapi: What is included with the Pro plan?

The Pro plan costs $90 per month per project and includes 1M API requests, 250 GB asset storage, 500 GB bandwidth, multi-environment support, weekly backups, and manual backups.

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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