Read the Docs vs Fern

Read the Docs9.0Visit Fern8.8Visit

Higher score Read the Docs #3 in Developer Documentation Software 9.0/10 Free plan · 30-day trial Free planFree trial✓ 2 of 4 features Visit Read the Docs

vs

Fern #5 in Developer Documentation Software 8.8/10 Free plan Free plan✓ 2 of 4 features Visit Fern

• Read the Docs fits best

  Open-source teams using docs-as-code

• Fern fits best

  Teams wanting free API docs with self-hosting

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Side by side

Feature	Read the Docs 9.0/10 Visit ↗	Fern 8.8/10 Visit ↗
At a glance
Editor score	9.0	8.8
Ranking	#3 in Developer Documentation Software	#5 in Developer Documentation Software
Best for	Open-source teams using docs-as-code	Teams wanting free API docs with self-hosting
Pricing model	Free plan + paid	Free plan + paid
Starting price	$50/mo	—
Free plan	✓	✓
Free trial	30 days	—
Deployment	Cloud	Cloud, Self-hosted
Platforms	Web	Web
Support	Email, Tickets, Docs	Email, Docs
Integrations	10 integrations	5 integrations
Built for	Solo, Small business, Mid-market, Enterprise	Small business, Mid-market, Enterprise
Features Read the Docs 2/4 · Fern 2/4
Custom domain	✓	✓
Documentation versioning	Not checked yet	Not checked yet
Single sign-on	✓	✓
Documentation analytics	Not checked yet	Not checked yet
Specs
Publishing model	Not checked yet	Not checked yet
Included team seats	Not checked yet	Not checked yet
Our review
Pros	Automatic builds, previews, and visual diffs from repository changes Versions documentation from branches, tags, or commits Supports Git providers, major doc tools, exports, search, and analytics	Free plan includes API explorer, web editor, custom domains, and 1,000 pages Generates API references from OpenAPI and other specifications Supports versioning, analytics, access controls, and self-hosted deployments
Cons	Community is limited to public documentation and public repositories Advanced analytics windows are limited to 30 or 90 days Enterprise controls require a $10,000-per-year plan	Free plan is limited to 10 team members and 250 AI credits monthly Enterprise pricing is custom rather than publicly itemized Advanced SSO, SCIM, RBAC, analytics, and support require Enterprise
Our verdict	Read the Docs is a documentation hosting and deployment platform for open-source projects, engineering teams, and documentation teams. It connects with Git repositories, builds documentation automatically, hosts multiple versions, and… Read the review →	Fern is a documentation platform for developer-facing teams publishing branded websites, API references, guides, changelogs, and developer tooling. It combines Markdown authoring with API reference generation from OpenAPI and other… Read the review →

Strengths and trade-offs

• Read the Docs — where it wins

  • Automatic builds, previews, and visual diffs from repository changes
  • Versions documentation from branches, tags, or commits
  • Supports Git providers, major doc tools, exports, search, and analytics

  Where it doesn't

  • Community is limited to public documentation and public repositories
  • Advanced analytics windows are limited to 30 or 90 days
  • Enterprise controls require a $10,000-per-year plan

• Fern — where it wins

  • Free plan includes API explorer, web editor, custom domains, and 1,000 pages
  • Generates API references from OpenAPI and other specifications
  • Supports versioning, analytics, access controls, and self-hosted deployments

  Where it doesn't

  • Free plan is limited to 10 team members and 250 AI credits monthly
  • Enterprise pricing is custom rather than publicly itemized
  • Advanced SSO, SCIM, RBAC, analytics, and support require Enterprise

• Read the Docs9.0/10 · Free plan · 30-day trial

  A docs-as-code host with strong versioning, previews, integrations, and paid private-documentation plans.

  Visit Read the DocsFull verdict →
• Fern8.8/10 · Free plan

  A strong free option for API documentation teams that need self-hosting.

  Visit FernFull verdict →