A headless CMS separates content management from content presentation. Editors create and manage content through a UI. Developers fetch that content via API and render it however they like. This architecture gives technical teams flexibility while keeping content editing non-technical. The question is which headless CMS fits your use case.
Why the headless approach matters
Traditional CMSes like WordPress are coupled: the CMS manages content and also controls how it is displayed. This makes them easy to get started with but limits how content can be used. Content lives in WordPress and appears on a WordPress site.
A headless CMS decouples the two. Your product content, blog posts, documentation, product catalog, or any other structured content lives in the CMS. Your website, mobile app, kiosk, or any other front-end fetches it via API. The same content source can serve multiple channels without duplication.
For modern web applications and SaaS products, this flexibility is often worth the additional setup complexity.
Contentful
Contentful is the most widely deployed headless CMS in enterprise environments. It is used by large organizations to manage content across multiple markets, languages, and channels.
What Contentful does well:
Scale and reliability. Contentful is trusted at large content volumes with high API traffic. Enterprise organizations with thousands of content entries and global delivery requirements use Contentful without concern about uptime or performance.
Content modeling. Contentful's content type system is flexible and allows you to model complex relationships between content types. A product can have multiple variants, which each have associated images, and the images can have metadata, all linked in a structured content graph.
Localization. Built-in support for multiple locales. The same content entry can have different field values for different languages. For global products, this is valuable without custom implementation.
Where Contentful falls short:
Pricing is the most consistent complaint. Contentful's free tier allows 5,000 records and 3 users. The Team plan is $300 per month. The Enterprise plan is custom and expensive. For many small to medium projects, Contentful's pricing is disproportionate to its feature value.
The content editing UI is functional but not the most intuitive. Editors who are not technically oriented need more onboarding than with Sanity's Studio.
Sanity
Sanity has become the favored headless CMS among developers building modern Next.js and React applications. Its defining feature is Sanity Studio, an open-source content editing interface that you deploy as part of your project and customize completely.
What Sanity does well:
Customizable Studio. Because Sanity Studio is open-source and runs as part of your application, you can build custom input components, previews, and workflows. If you need an editor that shows a live preview of how content will render, you build that. If you need a custom rich text component with specific formatting options, you build it.
Real-time collaboration. Multiple editors can work on the same document simultaneously. Conflict resolution is handled automatically.
GROQ query language. Sanity's query language (GROQ) is more powerful than REST APIs for complex content relationships. A single query can fetch a blog post with its author's profile, the author's other posts, and related tags in one request.
Generous free tier. Sanity's free tier allows 3 users, 10GB bandwidth, and 500,000 API requests per month. For many small to medium projects, this is sufficient.
Where Sanity adds complexity:
You need to deploy and maintain the Studio yourself (or use Sanity's hosted Studio). The customization capability requires someone who can write React.
The learning curve for editors is slightly higher than Contentful's because the out-of-box Studio configuration is minimal. A well-configured Studio is excellent; the default is less polished.
Strapi
Strapi is the leading open-source headless CMS. You self-host it, which means your data lives on your infrastructure. The code is yours.
What Strapi does well:
Self-hosting and data sovereignty. For teams that cannot send content to third-party services, Strapi on your own infrastructure is often the answer. Healthcare, government, and other regulated industries value this.
No per-user or per-entry pricing. Strapi's pricing is based on hosting cost, not content volume or user count. For large teams or large content volumes, this can make Strapi significantly cheaper than Contentful.
Plugin ecosystem. Strapi plugins extend the CMS with additional functionality: SEO fields, media libraries, custom fields. The ecosystem is active.
Where Strapi adds overhead:
You run the infrastructure. Keeping Strapi updated, managing the database, handling backups, and ensuring uptime are your team's responsibility. For teams without DevOps capacity, this is meaningful ongoing cost.
The editor UI has improved but is still less polished than Contentful or Sanity. For organizations with many non-technical editors, the UI quality matters.
The decision framework
Enterprise content operations with global localization and high reliability requirements: Contentful. The pricing is justified at scale.
Developer-focused project built in Next.js, requiring custom editor experience: Sanity. The Studio customization and GROQ querying make it the best developer experience in the category.
Data sovereignty requirements or budget that cannot accommodate SaaS pricing: Strapi. Self-host it, own your data.
Small project, not sure what you need: Sanity's free tier. Get started quickly, migrate later if requirements change.
Our web development team has implemented all three CMSes. Sanity is our most common choice for new Next.js projects because the developer experience is the strongest and the pricing works at early stages. Get in touch to discuss which headless CMS fits your specific content requirements and technical context.