Sanity vs Contentful: Which Headless CMS Should You Choose?

Two platforms dominate the headless CMS conversation. Contentful has been around longer, has more enterprise deployments, and a bigger integration marketplace. Sanity has higher user satisfaction, more flexible architecture, and pricing that doesn't punish you for growing.

They're both excellent. They're also fundamentally different in philosophy — and picking the wrong one means fighting your CMS for years. This comparison is based on real pricing, real architecture differences, and real user feedback — not marketing pages.

Pricing: The Honest Breakdown

This is where most comparisons get it wrong. They list subscription prices without explaining what you actually get.

The pricing models are structurally different. Sanity charges per user — $15/user/month on Growth. Contentful charges a flat $300/month for up to 20 users on Lite.

What this means in practice:

• 5-person team: Sanity costs $75/month. Contentful costs $300/month. Sanity wins by 75%.
• 15-person team: Sanity costs $225/month. Contentful costs $300/month. Sanity is still 25% cheaper.
• 30-person team: Sanity costs $450/month. Contentful costs $300/month. Contentful becomes cheaper per-head.

But price per seat isn't the full story. At $300/month, Contentful Lite gives you only 3 locales, 48 content types, and 3 roles. Sanity Growth at the same spend gives you unlimited locales, unlimited content types, and 5 roles. For most growing businesses, Sanity's Growth tier delivers significantly more value per dollar below the 30-user mark.

Enterprise pricing: Contentful Premium reportedly averages $37,000–$81,000/year depending on negotiation. Sanity Enterprise is custom-quoted. Both include dedicated support, SSO, and custom SLAs.

Content Modeling: Where They Truly Diverge

This is the decision that matters most long-term — and it's the hardest to reverse.

Sanity defines content models in code (TypeScript/JavaScript). Schemas live in your codebase, version-controlled alongside your application. You can create inline objects, nested structures, and complex relationships naturally. Validation uses full JavaScript logic. There are no artificial limits on content types.

Contentful defines content models through the web UI. Content types are created in the browser, which makes them accessible to non-developers but introduces hard limits. Contentful caps content types — and this matters more than it sounds. One enterprise team documented hitting 149 of 150 content types and being unable to add a new type without contract renegotiation.

The architectural difference that causes the most friction: Contentful forces everything to be references. There are no inline objects. Every reusable element — a button, an SEO block, a CTA — must be its own content type. This makes content structures fragmented and refactoring expensive, because changing a referenced type means touching every piece of content that uses it.

Sanity supports both inline objects and references, so you choose the approach that fits each use case.

Bottom line: If your content model is simple and stable, this difference barely matters. If your content model is complex, evolving, or supports multiple channels — Sanity's flexibility prevents architectural walls that Contentful's rigid structure creates.

API and Performance

Both platforms deliver content through CDN-backed APIs with enterprise-grade reliability. The difference is in how you query and how updates propagate.

Sanity uses GROQ — a purpose-built query language for structured content. It supports real-time subscriptions (your frontend receives content changes as they happen, without polling), powerful filtering, and projections that reduce response sizes. GROQ also works without deployment — no schema build step required.

Contentful uses GraphQL and REST. GraphQL benefits from strong ecosystem tooling (schema introspection, auto-generated TypeScript types, IDE autocomplete). REST is straightforward for simple queries. But Contentful doesn't support real-time push updates — you poll for changes or wait for CDN cache invalidation.

Performance at scale:

• Contentful handles 90+ billion API calls monthly with 90%+ CDN cache hit rates and 99.99% uptime SLA. Rate limit: 55 uncached requests/second (cached requests are unlimited).
• Sanity's Content Lake delivers real-time updates through its Live Content API. CDN automatically updates only what changes. Rate limits vary by tier with per-IP and concurrent query limits.

If real-time content matters (breaking news, live pricing, inventory updates) — Sanity's architecture handles this natively. If you need proven infrastructure at massive enterprise scale with the highest possible uptime guarantees — Contentful's track record is longer.

Real-Time Collaboration

This is Sanity's clearest advantage.

Sanity enables Google Docs-style simultaneous editing. Multiple editors work on the same document at once, seeing each other's changes in real time. Comments attach to specific content fields. Tasks and workflow management are built into the editing interface. The recently launched Content Agent shows when AI is modifying content with full attribution — so you always know who (or what) changed something.

Contentful provides in-field commenting, automated notifications, and role-based permissions. But it doesn't support true simultaneous editing. A survey of 300 Contentful users found that 25% considered the collaboration tools inadequate for real projects.

If your content team is small and works sequentially (one editor at a time), this difference won't matter much. If you have distributed teams editing content simultaneously — publishing departments, multi-region marketing teams, newsrooms — Sanity's real-time collaboration is meaningfully better.

Developer Experience

Sanity is a developer's platform. The Studio is a fully customizable open-source React application — you can build completely different editing interfaces for different teams. Schemas are code. Validation is code. Plugins are React components. The ecosystem supports Next.js, Nuxt, Astro, Svelte, Remix, Angular, React Native, Laravel, .NET, and more. G2 rating: 4.7/5.

Contentful provides a mature SDK ecosystem across JavaScript, Python, Ruby, iOS, and Android. Documentation is thorough. The integration marketplace is roughly 8x larger than Sanity's. But customization is limited to UI extensions rather than full component development. G2 rating: 4.2/5.

The trade-off: Sanity gives you more power but demands more investment to set up. Contentful gives you more out of the box but limits how far you can customize.

Editor Experience (Non-Technical Users)

This is where real-world feedback diverges from marketing claims.

Sanity editors love the platform — once it's set up. The editing experience depends entirely on how developers configure the Studio. A well-built Studio feels tailored and intuitive. A rushed one feels confusing. Real-time collaboration means editors don't wait for each other. Canvas (Sanity's AI writing tool) provides distraction-free drafting with automatic mapping to structured content fields.

Contentful editors appreciate the structured interface but report friction at scale. That same 300-user survey found 40% struggled with basic navigation and setup, and 45% reported sluggish performance during normal usage. Live preview works well for visual context, but the nested reference structure means lots of clicking through layers to find what you need to edit.

Neither platform matches the visual editing experience of Storyblok. If non-technical editors building pages independently is your top priority, consider Storyblok instead.

Known Frustrations (From Actual Users)

Sanity complaints:

• Requires developer involvement to set up and configure
• No pre-built themes or drag-and-drop templates
• Steeper learning curve for editors switching from WordPress
• Can become complex without disciplined content architecture

Contentful complaints:

• Content type limits create hard architectural walls
• Reference-only architecture fragments content and makes refactoring expensive
• 35% of users surveyed needed more customization but hit platform limits
• 30% worried about scaling costs
• Premium pricing reportedly starts at $37K–$81K/year

Who Should Choose What

Choose Sanity if:

• Your team has developers (or you're hiring them)
• Your content model is complex or expected to evolve
• Real-time collaboration matters for your workflow
• You need unlimited locales and content types
• Your team is under 30 people (pricing advantage)
• You want to build custom editorial interfaces for different teams

Choose Contentful if:

• You need the largest possible integration ecosystem
• Governance and formal approval workflows are requirements (regulated industries)
• You want proven infrastructure at massive scale (90B+ API calls/month)
• Your team is 30+ people and pricing per-seat becomes unfavorable
• You prioritize out-of-the-box setup speed over long-term customization

Choose neither if:

• Your marketing team needs visual, drag-and-drop page building → Storyblok
• You need complete data sovereignty and self-hosting → Strapi
• Your needs are simple enough for WordPress, Webflow, or Squarespace → start there

Both platforms are capable of powering serious digital products. The right choice depends on how your team works, what you're building, and how much your content model will change over the next two years. If you're still evaluating the broader landscape, our full four-platform comparison covers Storyblok and Strapi as well.

Vladimir Terekhov

Co-founder and CEO at Attract Group