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Web Development · head to head

MySQL vs Sphinx

MySQL logo

MySQL

Web Development

The world's most popular open source database

From
Free
Rated
-
Full reviewWebsite
Sphinx logo

Sphinx

Documentation

Documentation generator built for large technical projects

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: MySQL hot online backup is not in the free Community Server; MySQL Enterprise Backup is a paid Enterprise Edition component; Sphinx reStructuredText is harder to write than Markdown and puts off contributors, though MyST now allows Markdown
  • They diverge on capability: MySQL covers ACID compliance, Sphinx covers Cross-references.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which MySQL and Sphinx actually diverge.

Attributes where MySQL and Sphinx differ
AttributeMySQLSphinx
Pricing modelfreemiumOpen source, no licence fee
PlatformsWindows, Macos, Linux, UnixLinux, macOS, Windows
CategoryWeb DevelopmentDocumentation
Founded1995Unknown

Identical on both: starting price (Free), free tier (Yes), user rating (Not yet rated).

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 MySQL

  • ACID compliance
  • SQL support
  • Multi-version concurrency control
  • Replication
  • Partitioning
  • Stored procedures
  • Triggers
  • Views

Only in Sphinx

  • Cross-references
  • API autodoc
  • Multi-format output
  • Extension ecosystem

What people use each for

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

MySQL

  • Web application backendnot Sphinx
  • E-commerce platformsnot Sphinx
  • Content management systemsnot Sphinx
  • Data warehousingnot Sphinx
  • Business applicationsnot Sphinx

Sphinx

  • Large technical documentation needing reliable cross-referencesnot MySQL
  • Python projects generating API docs from docstringsnot MySQL
  • Documentation that must ship as PDF as well as HTMLnot MySQL

Where each one falls short

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

MySQL

  • Hot online backup is not in the free Community Server; MySQL Enterprise Backup is a paid Enterprise Edition component
  • Transparent Data Encryption, data masking and de-identification are Enterprise Edition only
  • MySQL Enterprise Firewall, which guards against SQL injection, and MySQL Enterprise Audit are both paid components
  • External authentication against PAM or Windows Active Directory requires MySQL Enterprise Authentication
  • The thread pool ships as MySQL Enterprise Scalability rather than in the community build

Sphinx

  • reStructuredText is harder to write than Markdown and puts off contributors, though MyST now allows Markdown
  • Configuration is complex and the default output is dated-looking without theme work
  • Build times on large documentation sets are slow
  • Heavier than the problem for a small project that only needs a few pages

Pricing, plan by plan

MySQL

Free
  • Community EditionFree
    • Open source license
    • Full SQL support
    • InnoDB storage engine
  • Standard Edition$2000/year
    • Commercial license
    • Oracle Premier Support
    • MySQL Enterprise backup
  • Enterprise Edition$5000/year
    • Advanced security
    • MySQL Enterprise Monitor
    • High Availability

Sphinx

Free
  • SphinxFree
    • Full functionality
    • Commercial use permitted
    • Community support

Which should you pick?

Choose MySQL if

  • You need acid compliance.
  • You want to start without paying.
  • You work on Windows, Macos, Linux, Unix.
  • You also want sql support.
MySQL review

Choose Sphinx if

  • You need cross-references.
  • You want to start without paying.
  • You work on Linux, macOS, Windows.
  • You also want api autodoc.
Sphinx review

Questions people ask

Is MySQL or Sphinx better?
Neither clearly leads. MySQL starts at Free and Sphinx at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, MySQL or Sphinx?
MySQL starts at Free and Sphinx at Free.
Does MySQL or Sphinx run on more platforms?
MySQL runs on Windows, Macos, Linux, Unix. Sphinx runs on Linux, macOS, Windows.
Can I use MySQL for free?
Both have a free tier, so you can try either at no cost before committing.
What is MySQL best used for?
MySQL is most often used for web application backend, e-commerce platforms, content management systems, data warehousing. Of those, web application backend and e-commerce platforms are not what Sphinx is typically brought in for.
What can MySQL do that Sphinx cannot?
MySQL covers ACID compliance, SQL support, Multi-version concurrency control, Replication. Sphinx covers Cross-references, API autodoc, Multi-format output, Extension ecosystem.

Answered from the vendors’ own pages

MySQL: Does MySQL cost money?

MySQL is primarily open-source and free to use. Commercial editions and support services are available but pricing is not published on the main website.

Source
Sphinx: Is Sphinx free?

Yes, open source under the BSD licence.

MySQL: How do I get MySQL pricing information?

For MySQL commercial editions and support pricing, customers can contact MySQL sales directly at +1-866-221-0634 or navigate to individual product pages.

Source
Sphinx: Do I have to write reStructuredText?

Not any more. The MyST extension allows Markdown, though reStructuredText remains the native format and most examples use it.

Sphinx: Why do large projects choose Sphinx?

Automatic cross-referencing and API extraction from docstrings, which lighter generators do not provide.

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