Skip to content

Read the Docs vs Sphinx: Pricing and Ratings Compared (2026)

Entry prices and free plans as read on each vendor's pricing page, and user ratings as published on review sites, for Read the Docs and Sphinx side by side. This page compares data; it is not a hands-on review.

On the data: On the data below the two are close or not directly comparable, so we do not name a winner for this pair.

Data comparison compiled by Toolradar, not hand-reviewed Methodology
Data comparison 14 user reviews compared Pricing checked Oct 21, 2026

Short on time? Here's the quick answer

Based on published vendor pricing and features and on public review data, here's who should pick what:

Read the Docs

Empower your team with versioned documentation, seamless previews, and powerful authentication.

Best for you if:

  • • You want seamless integration with Git workflows for "Docs as Code"

Sphinx

Create intelligent and beautiful documentation with ease for various formats and audiences.

Best for you if:

  • • You want a fully free tool (Read the Docs requires payment)
At a glance: Read the Docs vs Sphinx
At a Glance
Read the Docs Read the Docs
Sphinx Sphinx
Starts at
Free plan, paid from $5/mo, billed monthly Gold membership (individuals) plan
Free 100% free
Category
Documentation Writing & Content
Documentation Developer Tools
Rating
n/a 4.4/5 G2 4.4 14 reviews
Free plan
Yes Yes

Choose Read the Docs or Sphinx?

Read the Docs

Choose Read the Docs if

  • You want seamless integration with Git workflows for "Docs as Code"
  • You want free hosting and features for open-source and community projects
Sphinx

Choose Sphinx if

  • You want a fully free tool (Read the Docs requires payment)
  • You want generates high-quality, structured technical documentation
  • You want flexible output formats cater to diverse audience needs

In-Depth Analysis

Read the Docs Read the Docs

Empower your team with versioned documentation, seamless previews, and powerful authentication.

Good value

Read the Docs offers a very generous free tier for public documentation, making it highly accessible.

Strengths

  • Pro: Seamless integration with Git workflows for "Docs as Code"
  • Pro: Free hosting and features for open-source and community projects
  • Pro: Automated build and deployment process on every commit
  • Pro: Supports multiple documentation tools and formats
  • Pro: Enhances collaboration with pull request previews

Weaknesses

  • Con: Free community plan includes ads
  • Con: Advanced features like private repos and SSO are exclusive to paid plans
  • Con: Requires some YAML configuration for project setup

Key features

Automatic deploy previews for pull requests Supports Sphinx, MkDocs, Jupyter Book, and other documentation tools Integrated search across all documentation Versioned documentation from any branch or tag Private repository support (paid plans) Single Sign-On (SSO) with GitHub, GitLab, and Google (paid plans)

Sphinx Sphinx

Create intelligent and beautiful documentation with ease for various formats and audiences.

Strengths

  • Pro: Generates high-quality, structured technical documentation.
  • Pro: Flexible output formats cater to diverse audience needs.
  • Pro: Automates API documentation, reducing manual effort.
  • Pro: Highly customizable through themes and extensions.
  • Pro: Strong community support and resources available.

Weaknesses

  • Con: Initial setup and learning curve for reStructuredText or MyST Markdown might be steep for new users.
  • Con: Requires some technical understanding to fully leverage advanced features and extensions.
  • Con: Primarily focused on technical documentation, might be overkill for simple needs.

Key features

Rich Text Formatting (reStructuredText, MyST Markdown) Powerful Cross-Referencing (internal and external) Versatile Documentation Formats (HTML, LaTeX, ePub, Texinfo) Extensive Theme Support (built-in, third-party, custom) Fully Extensible (via extensions for diagrams, code testing, etc.) Automatic API Documentation (Python, C++, etc.)

Plans and prices: Read the Docs vs Sphinx

Plans and prices of Read the Docs and Sphinx, as read on each vendor's pricing page. Each plan keeps its own billing unit.
Tool Plans and prices Source
Read the Docs
  • Community: Free
  • Gold membership (individuals): $5/mo, billed monthly
  • Gold membership (companies): $50/mo, billed monthly
  • Basic: $50/mo, billed monthly
  • Advanced: $150/mo, billed monthly
  • Pro: $250/mo, billed monthly
  • Enterprise: Custom pricing
readthedocs.org/pricing read Oct 21, 2026
Sphinx No plan prices on file sphinx-doc.org

Prices as read on each vendor's own pricing page on the date shown. Plans are listed per tool and are not matched against the other tool's plans: a plan name or price in one column says nothing about the same row in the other. Details on Read the Docs pricing and Sphinx pricing.

Key Takeaways

Read the Docs

  • Choose if you want empower your team with versioned documentation, seamless previews, and powerful authentication

Sphinx

  • Choose if you want create intelligent and beautiful documentation with ease for various formats and audiences

What the data shows

On the data below the two are close or not directly comparable, so we do not name a winner for this pair.

  • Only Sphinx has a published user rating (4.4/5 from 14 reviews); Read the Docs has none we can show.
  • Read the Docs starts at $5/mo, billed monthly; Sphinx has no public paid plan price on file.
  • Both have a free plan.

Criteria: user rating (only above 20 reviews on both sides, gap of 0.2 or more), entry price (only on the same billing basis), free plan. How we rate

Frequently Asked Questions

How do Read the Docs and Sphinx compare in 2026?

On the data below the two are close or not directly comparable, so we do not name a winner for this pair. Only Sphinx has a published user rating (4.4/5 from 14 reviews); Read the Docs has none we can show. Read the Docs starts at $5/mo, billed monthly; Sphinx has no public paid plan price on file. Both have a free plan.

What are Read the Docs and Sphinx used for?

Read the Docs: Empower your team with versioned documentation, seamless previews, and powerful authentication. Sphinx: Create intelligent and beautiful documentation with ease for various formats and audiences.

What does Read the Docs cost vs Sphinx?

Read the Docs's cheapest paid plan is Gold membership (individuals) at $5/mo, billed monthly; it also has a free plan. Sphinx is free. Prices read on the vendors' pricing pages, latest check Oct 21, 2026.

What's the main difference between Read the Docs and Sphinx?

Read the Docs's main strength: seamless integration with Git workflows for "Docs as Code". Sphinx's main strength: generates high-quality, structured technical documentation.

Related Comparisons & Resources

Compare other tools