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APIs · head to head

Portkey vs Swagger/OpenAPI

Portkey logo

Portkey

APIs

Observe, govern, and secure every AI interaction across your enterprise

From
On request
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: Portkey the free Developer tier records only 10,000 logs per month with 3 day log retention; the $49 per month Production tier raises that to 100,000 logs with $9 per additional 100,000 requests, as of August 2026.; 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
  • Prices and features above were last checked on 30 August 2026.

Where they differ

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

Attributes where Portkey and Swagger/OpenAPI differ
AttributePortkeySwagger/OpenAPI
Starting priceOn requestFree
Pricing modelUnknownfreemium
Free tierNoYes
PlatformsWebWeb, CLI, Desktop
FoundedUnknown2001

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 Portkey

Nothing recorded that Swagger/OpenAPI does not also cover.

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.

Portkey

  • Accessing 1,600+ language models through unified API gatewaynot Swagger/OpenAPI
  • Monitoring and observing LLM behavior in production environmentsnot Swagger/OpenAPI
  • Managing costs and setting budget limits for AI spendingnot Swagger/OpenAPI
  • Implementing guardrails and PII redaction for secure AI interactionsnot Swagger/OpenAPI

Swagger/OpenAPI

  • API Developmentnot Portkey
  • API Gatewaynot Portkey
  • API Testingnot Portkey
  • API Documentationnot Portkey
  • Microservicesnot Portkey

Where each one falls short

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

Portkey

  • The free Developer tier records only 10,000 logs per month with 3 day log retention; the $49 per month Production tier raises that to 100,000 logs with $9 per additional 100,000 requests, as of August 2026.

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

Portkey

On request

No published plan breakdown. See the Portkey review.

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 Portkey if

Nothing in the data separates Portkey from Swagger/OpenAPI on the points above - pick on price and on how each one feels to use.

Portkey 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 Portkey or Swagger/OpenAPI better?
Neither clearly leads. Portkey starts at On request and Swagger/OpenAPI at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Portkey or Swagger/OpenAPI?
Swagger/OpenAPI has a free tier; the other does not. Paid plans start at On request for Portkey and Free for Swagger/OpenAPI.
Does Portkey or Swagger/OpenAPI run on more platforms?
Portkey runs on Web. 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. Portkey starts at On request.
What is Portkey best used for?
Portkey is most often used for accessing 1,600+ language models through unified api gateway, monitoring and observing llm behavior in production environments, managing costs and setting budget limits for ai spending, implementing guardrails and pii redaction for secure ai interactions. Of those, accessing 1,600+ language models through unified api gateway and monitoring and observing llm behavior in production environments are not what Swagger/OpenAPI is typically brought in for.
What can Portkey do that Swagger/OpenAPI cannot?
Swagger/OpenAPI covers OpenAPI Specification, Interactive Documentation, Code Generation, GitHub.

Answered from the vendors’ own pages

Portkey: What happens if I exceed my Portkey plan's request limit?

Production tier ($49/month) charges $9 per additional 100,000 requests beyond the included 100,000. Enterprise customers have custom limits determined through their service agreement. Source: https://portkey.ai/pricing

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
Portkey: Can I self-host Portkey to avoid per-request billing?

Yes. Portkey offers an Open Source self-hosted version with unlimited requests at no cost, including universal API, routing, guardrails, and load balancing features. Source: https://portkey.ai/pricing

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
Portkey: How long does Portkey retain my logs and metrics?

Free Developer tier retains logs 3 days and metrics 30 days. Production tier retains logs 30 days and metrics 90 days. Enterprise tier offers custom retention periods. Source: https://portkey.ai/pricing

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
Portkey: What compliance features are included in the Enterprise plan?

Enterprise tier includes SOC2 Type 2 certification, GDPR compliance, HIPAA compliance, VPC hosting, SSO, advanced guardrails, and dedicated support. Custom pricing required. Source: https://portkey.ai/pricing

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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