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Automation Integration · head to head

n8n vs Swagger UI

n8n logo

n8n

Automation Integration

The fair-code workflow automation tool

From
Free
Rated
-
Full reviewWebsite
Swagger UI logo

Swagger UI

Developer Tools

Interactive API documentation generated from OpenAPI specs

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: n8n starter tier limited to 1 project and 5 concurrent executions; Swagger UI only as good as the specification: a thin OpenAPI file produces thin documentation
  • They diverge on capability: n8n covers Workflow automation, Swagger UI covers OpenAPI rendering.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which n8n and Swagger UI actually diverge.

Attributes where n8n and Swagger UI differ
Attributen8nSwagger UI
Pricing modelsubscriptionOpen source, no licence fee
PlatformsWeb, Docker, Self-hostedWeb, Self-hosted, Docker
CategoryAutomation IntegrationDeveloper Tools
Founded2019Unknown

Identical on both: starting price (Free), free tier (Yes), user rating (Not yet rated).

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 n8n

  • Workflow automation
  • Visual editor
  • Conditional execution
  • Looping
  • Error handling
  • Scheduling
  • Webhooks
  • REST API

Only in Swagger UI

  • OpenAPI rendering
  • Try it out
  • Schema display
  • Self-hostable

What people use each for

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

n8n

  • Building AI agents and workflow automation for technical teamsnot Swagger UI
  • Visual workflow design with capability to write custom JavaScript or Python codenot Swagger UI
  • Enterprise deployments with self-hosted or cloud optionsnot Swagger UI
  • Integrating 500+ pre-built applications with custom API connectionsnot Swagger UI

Swagger UI

  • Publishing API documentation that stays in step with the specificationnot n8n
  • Letting developers try endpoints before writing any client codenot n8n
  • Internal API discovery across teamsnot n8n

Where each one falls short

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

n8n

  • Starter tier limited to 1 project and 5 concurrent executions
  • Starter and Pro tiers restricted to Cloud hosting only, not self-hosted
  • Business tier requires 6 months minimum commitment at €667/month
  • SSO/SAML/LDAP authentication requires Business or Enterprise tier
  • Dedicated support with SLA available only on Enterprise plan

Swagger UI

  • Only as good as the specification: a thin OpenAPI file produces thin documentation
  • Default presentation is dated compared with modern documentation tools
  • Large specifications render slowly and become hard to navigate
  • Try it out against production needs care with authentication and CORS, and is often disabled as a result

Pricing, plan by plan

n8n

Free
  • CommunityFree
    • Free self-hosted version on GitHub
    • Open source
  • Starter$20/month
    • 2,500 workflow executions
    • 5 concurrent executions
    • 2,300 AI credits/month
  • Pro$50/month
    • 10,000 workflow executions
    • 20 concurrent executions
    • 13,700 AI credits/month
  • Business$667/month
    • 40,000 workflow executions
    • Self-hosted option
    • 6 shared projects

Swagger UI

Free
  • Swagger UIFree
    • Full functionality
    • Commercial use permitted
    • Community support

Which should you pick?

Choose n8n if

  • You need workflow automation.
  • You want to start without paying.
  • You work on Web, Docker, Self-hosted.
  • You also want visual editor.
n8n review

Choose Swagger UI if

  • You need openapi rendering.
  • You want to start without paying.
  • You work on Web, Self-hosted, Docker.
  • You also want try it out.
Swagger UI review

Questions people ask

Is n8n or Swagger UI better?
Neither clearly leads. n8n starts at Free and Swagger UI at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, n8n or Swagger UI?
n8n starts at Free and Swagger UI at Free.
Does n8n or Swagger UI run on more platforms?
n8n runs on Web, Docker, Self-hosted. Swagger UI runs on Web, Self-hosted, Docker.
Can I use n8n for free?
Both have a free tier, so you can try either at no cost before committing.
What is n8n best used for?
n8n is most often used for building ai agents and workflow automation for technical teams, visual workflow design with capability to write custom javascript or python code, enterprise deployments with self-hosted or cloud options, integrating 500+ pre-built applications with custom api connections. Of those, building ai agents and workflow automation for technical teams and visual workflow design with capability to write custom javascript or python code are not what Swagger UI is typically brought in for.
What can n8n do that Swagger UI cannot?
n8n covers Workflow automation, Visual editor, Conditional execution, Looping. Swagger UI covers OpenAPI rendering, Try it out, Schema display, Self-hostable.

Answered from the vendors’ own pages

n8n: Is there a free version of n8n?

Yes, n8n Community Edition is free and open-source, available for self-hosting on GitHub with unlimited users and workflows.

Source
Swagger UI: Is Swagger UI free?

Yes, open source under the Apache 2.0 licence. SmartBear sells commercial SwaggerHub separately.

n8n: What is the difference between n8n plans?

Plans differ by monthly workflow executions (2,500 for Starter, 10,000 for Pro, 40,000 for Business), concurrent execution limits, AI credits, and shared project counts.

Source
Swagger UI: What is the difference between Swagger and OpenAPI?

OpenAPI is the specification format; Swagger is the toolset around it, including Swagger UI. The specification was renamed from Swagger to OpenAPI in 2016.

n8n: Does n8n offer annual billing discounts?

Yes, n8n offers 17% off when billing annually instead of monthly, and provides a Startup Plan at 50% off Business pricing for companies under 20 employees.

Source
Swagger UI: Can Swagger UI make real API calls?

Yes, through its try-it-out control, though authentication and CORS configuration often mean it is disabled for production APIs.

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