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Head-to-head · Api Docs

Scalar vs Fern

  • Updated Oct 2026
  • Both researched from official sources
  • 3 checks side by side
Higher score Scalar #5 in Api Docs 8.6/10 Free plan Free plan✓ 2 of 6 features Visit Scalar
Fern #6 in Api Docs 8.5/10 Free plan Free plan✓ 1 of 6 features Visit Fern

Scalar leads on 0 checks, Fern on 0, and 3 are even. Who comes out ahead on the 3 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreScalar · 8.6/10
  • Free planboth
  • Most featuresScalar · 2 of 6

Scalar scores higher on our rubric for api docs: 8.6 against 8.5 out of 10; our editors rank them #5 and #6.

Scalar is the better fit for teams wanting flexible OpenAPI docs and API testing. Fern is the better fit for teams wanting free API docs with self-hosting options.

  • Scalar fits best

    Teams wanting flexible OpenAPI docs and API testing

  • Fern fits best

    Teams wanting free API docs with self-hosting options

Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.

Side by side

Feature Scalar 8.6/10 Visit ↗ Fern 8.5/10 Visit ↗
At a glance
Editor score 8.6 8.5
Ranking #5 in Api Docs #6 in Api Docs
Best for Teams wanting flexible OpenAPI docs and API testing Teams wanting free API docs with self-hosting options
Pricing model Free plan + paid Free plan + paid
Starting price $125/mo —
Free plan ✓ ✓
Free trial — —
Deployment Cloud, Self-hosted, Desktop, Browser extension Cloud, Self-hosted
Platforms Web, Windows, macOS, Linux Web
Support Email, Community, Docs Email, Docs
Compliance SOC 2, GDPR, SSO/SAML SOC 2
Integrations 16 integrations 5 integrations
Built for Small business, Mid-market, Enterprise Small business, Mid-market, Enterprise
Features Scalar 2/6 · Fern 1/6
OpenAPI import ✓ (best) Not checked yet
Custom domain ✓ ✓
Docs as code Not checked yet Not checked yet
Interactive API explorer Not checked yet Not checked yet
Documentation versioning Not checked yet Not checked yet
Documentation analytics Not checked yet Not checked yet
Our review
Pros
  • Turns OpenAPI documents into interactive references with request testing
  • Supports Git and CI/CD synchronization, versioning, and hosted Markdown or MDX
  • Offers SDK generation and hosted or self-hosted documentation components
  • Generates API references from OpenAPI and other specifications
  • Supports cloud and self-hosted deployment options
  • Combines versioned docs, custom domains, and AI-powered search
Cons
  • Pro starts at $150 per month with monthly billing
  • The Free plan limits teams to 3 APIs and 1 editor seat
  • Business costs $600 monthly, while Enterprise pricing is custom
  • Free plan is limited to 10 team members and 1,000 pages.
  • Free plan caps AI credits at 250 and page generations at 2,000 monthly.
  • Enterprise pricing is custom, with advanced controls reserved for that tier.
Our verdict

Scalar brings API documentation and developer tooling together around OpenAPI. It generates interactive references with browsable operations, code samples, and in-page request testing, and also includes an API client, SDK generation, and…

Read the review →

Fern is a documentation platform for developer-facing teams that publish API references and guides. Markdown authoring, API-spec generation, changelogs, search, an API explorer, and a visual editor support both technical writers and…

Read the review →
  1. ScalarApi Docs 8.6Free plan
  2. FernApi Docs 8.5Free plan

Strengths and trade-offs

  • Scalar — where it wins

    • Turns OpenAPI documents into interactive references with request testing
    • Supports Git and CI/CD synchronization, versioning, and hosted Markdown or MDX
    • Offers SDK generation and hosted or self-hosted documentation components

    Where it doesn't

    • Pro starts at $150 per month with monthly billing
    • The Free plan limits teams to 3 APIs and 1 editor seat
    • Business costs $600 monthly, while Enterprise pricing is custom

  • Fern — where it wins

    • Generates API references from OpenAPI and other specifications
    • Supports cloud and self-hosted deployment options
    • Combines versioned docs, custom domains, and AI-powered search

    Where it doesn't

    • Free plan is limited to 10 team members and 1,000 pages.
    • Free plan caps AI credits at 250 and page generations at 2,000 monthly.
    • Enterprise pricing is custom, with advanced controls reserved for that tier.
  • Scalar8.6/10 · Free plan

    A flexible OpenAPI toolkit with interactive docs, testing, hosting, and self-hosting options.

    Visit ScalarFull verdict →
  • Fern8.5/10 · Free plan

    API documentation with exploration, versioning, analytics, and flexible deployment.

    Visit FernFull verdict →

More comparisons

All api docs comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update