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Documentation · head to head

Redocly vs Starlight

Redocly logo

Redocly

Documentation

API documentation and OpenAPI governance platform

From
On request
Rated
-
Full reviewWebsite
Starlight logo

Starlight

Documentation

Documentation site framework built on Astro that ships no JavaScript to the reader by default

From
Free
Rated
-
Full reviewWebsite

The short version

  • Only Starlight has a free tier, so it costs nothing to try first.
  • Each has a real cost: Redocly only as useful as your commitment to OpenAPI; teams without a maintained spec get little from it; Starlight there is no editing interface, so every correction requires a git client, a Node install and a CI run, which puts documentation changes out of reach for anyone who does not already work in a repository.
  • They diverge on capability: Redocly covers OpenAPI reference docs, Starlight covers File based routing.
  • Prices and features above were last checked on 31 August 2026.

Where they differ

Only the attributes on which Redocly and Starlight actually diverge.

Attributes where Redocly and Starlight differ
AttributeRedoclyStarlight
Starting priceOn requestFree
Pricing modelFree open-source CLI and Redoc renderer; paid plans for the portal, published on the vendor siteOpen source, no licence fee
Free tierNoYes
PlatformsWeb, Cloud, Self-hostedWeb, macOS, Windows, Linux

Identical on both: user rating (Not yet rated), category (Documentation).

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 Redocly

  • OpenAPI reference docs
  • Spec linting
  • Developer portal
  • Versioning
  • Try it
  • Git workflow

Only in Starlight

  • File based routing
  • Pagefind search
  • Internationalisation
  • Component overrides
  • Zero client JavaScript
  • Expressive Code blocks
  • Auto generated sidebar

What people use each for

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

Redocly

  • API teams whose reference docs are thin because the spec is thinnot Starlight
  • Organisations enforcing API style rules across many teamsnot Starlight
  • Developer portals combining guides with generated referencenot Starlight

Starlight

  • A developer tool whose docs live in the same repository as the code and are reviewed in the same pull requestnot Redocly
  • A team that already runs Astro for its marketing site and wants one build pipeline for bothnot Redocly
  • Documentation that must be served from a CDN or an air gapped static host with no search backendnot Redocly
  • A multilingual open source project that needs per locale content trees and untranslated page fallbacknot Redocly

Where each one falls short

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

Redocly

  • Only as useful as your commitment to OpenAPI; teams without a maintained spec get little from it
  • The portal and governance features are paid, while the open-source renderer covers only reference rendering
  • Linting rules are another thing to configure and argue about before value appears
  • Narrower than a general documentation platform, by design

Starlight

  • There is no editing interface, so every correction requires a git client, a Node install and a CI run, which puts documentation changes out of reach for anyone who does not already work in a repository.
  • Starlight versions track Astro versions, so an Astro major release becomes a documentation site migration on someone else timeline rather than yours.
  • Pagefind builds the whole search index at compile time, so build duration and index size grow with page count and large documentation sets pay for it on every deploy.
  • There is no analytics, no feedback widget and no page level rating built in, so measuring which pages fail readers means wiring a third party script yourself.
  • Component overrides are limited to the slots the theme exposes, and anything outside those slots means forking the theme and inheriting the merge burden on every upgrade.

Pricing, plan by plan

Redocly

On request

No published plan breakdown. See the Redocly review.

Starlight

Free
  • Open sourceFree
    • MIT licence
    • All features included
    • Self hosted on any static host

Which should you pick?

Choose Redocly if

  • You need openapi reference docs.
  • You work on Web, Cloud, Self-hosted.
  • You also want spec linting.
Redocly review

Choose Starlight if

  • You need file based routing.
  • You want to start without paying.
  • You work on Web, macOS, Windows, Linux.
  • You also want pagefind search.
Starlight review

Questions people ask

Is Redocly or Starlight better?
Neither clearly leads. Redocly starts at On request and Starlight at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Redocly or Starlight?
Starlight has a free tier; the other does not. Paid plans start at On request for Redocly and Free for Starlight.
Does Redocly or Starlight run on more platforms?
Redocly runs on Web, Cloud, Self-hosted. Starlight runs on Web, macOS, Windows, Linux.
Can I use Starlight for free?
Yes. Starlight has a free tier, so you can try it without paying. Redocly starts at On request.
What is Redocly best used for?
Redocly is most often used for api teams whose reference docs are thin because the spec is thin, organisations enforcing api style rules across many teams, developer portals combining guides with generated reference. Of those, api teams whose reference docs are thin because the spec is thin and organisations enforcing api style rules across many teams are not what Starlight is typically brought in for.
What can Redocly do that Starlight cannot?
Redocly covers OpenAPI reference docs, Spec linting, Developer portal, Versioning. Starlight covers File based routing, Pagefind search, Internationalisation, Component overrides.

Answered from the vendors’ own pages

Redocly: Is Redocly free?

The Redoc renderer and CLI are open source and free. The developer portal and governance features are paid, with pricing published on the vendor site.

Starlight: Can a non technical writer publish a page without help?

No. There is no content management interface. Every change is a commit, a pull request and a build.

Redocly: What does the linter do?

It enforces rules on the OpenAPI spec itself in CI — missing descriptions, naming, examples — so a poor spec fails the build rather than becoming poor documentation.

Starlight: Do I need to know Astro to use it?

Not for basic use. Markdown files and a config file are enough until you want custom components, at which point Astro knowledge becomes mandatory.

Redocly: Do I need OpenAPI to use it?

Effectively yes. Without a maintained specification there is little for it to work with.

Starlight: Is search included or do I pay for it?

Included and free. Pagefind builds a static index at compile time. Algolia DocSearch is optional if you want hosted search instead.

Starlight: What happens when Astro releases a major version?

Starlight follows it, and your site needs a migration. Read the upgrade guide before pinning a version for a long lived project.

Starlight: Can I self host with no external services?

Yes. The output is static HTML, CSS and a search index. Nothing calls out at runtime unless you add it.

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