Headless WordPress vs Sanity, which headless CMS wins for your brief, in 2026

Two CMSes, side by side. Headless WordPress is wordpress as a back-end via wpgraphql or rest. editorial team keeps wp-admin; public site is modern. Sanity is structured-content saas with the strongest custom-schema authoring experience in the category. The verdict, the criteria, and the honest take below.

ALL CMS COMPARISONS →

Verdict in one paragraph

Neither is universally better; the deciding factor is your team, not the framework. Headless WordPress wins when there is existing WordPress content and an editorial team that lives in wp-admin and cannot be retrained. Sanity wins for greenfield projects, structured-content briefs, and teams ready to leave the WordPress operational footprint behind. The rule from a 12,000-site agency reality: pick by who edits. If they already know wp-admin, stay on headless WordPress; if it is greenfield, Sanity almost always wins.

Score across the criteria: Headless WordPress 3 · Sanity 3

Side by side

Headless WordPress
Sanity
Category
Legacy / Headless mode
Hosted SaaS
Language
PHP
TypeScript
Pricing
Open source
Freemium
License
GPL-2.0
Proprietary (Studio is MIT)
Created
2003
2017
GitHub stars
19.5k
5.4k

Decision criteria

  • Which is the right pick for migrating an existing WordPress site?

    Headless WordPress

    The editorial team keeps wp-admin. Content lives where it already lives. The migration is just a new front-end, not a new CMS.

  • Which is the right pick for a greenfield project?

    Sanity

    Schema-first content modelling, real-time collaboration, no operational overhead. Greenfield without WP legacy almost never picks WordPress in 2026.

  • Which has the better content modelling?

    Sanity

    Sanity's schema-as-code is a different category from WordPress custom post types + ACF. The modelling depth is real.

  • Which has the lower operational footprint?

    Sanity

    Sanity is hosted; you do not patch it, scale it, or worry about plugin conflicts. WordPress has real ongoing maintenance.

  • Which has the bigger plugin / extension ecosystem?

    Headless WordPress

    60,000+ WordPress plugins. Sanity has integrations and Studio plugins but the breadth is incomparable.

  • Which is easier for non-technical authors who already know WordPress?

    Headless WordPress

    Zero retraining. wp-admin is muscle memory. Sanity Studio is good but it is a new tool to learn.

What Headless WordPress is best for

  • WordPress sites migrating to a modern front-end without changing the editorial workflow
  • Editorial teams with WordPress muscle memory and no appetite for a new admin UI
  • Projects with significant WordPress content history (12,000-site agency reality)

Read the full Headless WordPress entry: /headless-cms/wordpress-headless/

What Sanity is best for

  • Editorial-heavy projects with custom content schemas
  • Teams that want collaborative real-time editing without engineering it
  • Projects with rich text that needs custom blocks (Portable Text)
  • Multi-channel publishing where content fans out to web + app + email

Read the full Sanity entry: /headless-cms/sanity/

The CMS choice is the easy half, your team adoption is the hard one

The hard half is your editorial workflow, your SEO transport on the migration, and getting your team genuinely adopted. The 30-min call covers all three for your specific project, describe your team, your content estate, your timeline; I tell you whether Headless WordPress or Sanity (or something else) is your fit.