From the outside, these three look like one product: content goes in, content comes out through an API, and a front end built by developers displays it.
Sanity, Contentful and Storyblok differ mainly in who shapes the screen your writers work in. In Sanity, developers build the editing studio in code. In Contentful, the content model is configured in a ready-made interface and editors fill in structured entries. In Storyblok, editors build pages from blocks in a visual editor once a developer has connected the preview. None of them is the best; each one fits a different team.
This comparison declares no winner, on purpose. What follows is which question each platform answers, checked against each vendor’s own documentation and pricing pages on September 11, 2026. Plans in this category change often, and the pricing notes here are due for review within three months.
Sanity vs Contentful vs Storyblok at a glance
| Sanity | Contentful | Storyblok | |
|---|---|---|---|
| Where the editing experience is defined | In code, by developers (Sanity Studio) | In the vendor’s web app, with official tooling to script model changes | In the vendor’s app, around a Visual Editor and reusable blocks |
| What a writer sees | Whatever your developers built | Structured forms for each content type | The page itself, with editable blocks |
| Main strength | Content shaped like data and reused across channels | A stable, ready-made editing environment | Marketing teams editing pages on their own |
| Main cost to watch | Ongoing developer ownership of the editor | Content model changes become a managed process | Page-shaped content can be awkward to reuse elsewhere |
| Pricing basis (September 11, 2026) | Per seat, plus metered usage on Growth | Read Contentful’s pricing page on the day | Plan tiers with seat, locale, API and traffic allowances |
Sanity: the editor is something you build
Sanity’s Studio documentation (read September 11, 2026) calls Sanity Studio “an open-source, real-time collaborative content workbench.” It says developers “define content models using JavaScript objects,” configure the Studio “with JavaScript or TypeScript,” and can “deploy Sanity Studio, either on your own or using our hosted service.”
For an operator, that is the whole story. The screen your writers use is software your developers write and maintain. That is why teams with unusual content like Sanity: the Studio can be shaped exactly to the content, and the content can be modeled as data that feeds a website, an app and anything else.
The cost is ownership. Every new field, every change to how an editor works and every fix to a confusing screen is a developer task. Without a developer on the team or on retainer, Sanity’s flexibility is flexibility you cannot use.
One pricing detail that matters for editorial teams. On Sanity’s pricing page (read September 11, 2026), the Free plan is “$0 forever” with 20 seats, 10k documents and two public datasets, but it lists only the Administrator and Viewer roles. On that plan, anyone who can edit content is an administrator. The Growth plan, at “$15 per seat / month” for up to 50 seats, adds Editor, Developer and Contributor roles and 25k documents, and bills usage beyond the included allowances, for example “$1 per 25k” API requests. If you want writers who cannot change project settings, you are on Growth.
Contentful: the editor is something you configure
Contentful gives you a finished editing environment. An administrator sets up the content types, and editors work in Contentful’s own web app, filling in the fields each type defines. There is less to build before a writer can start, which is one reason comparison pages describe Contentful as common in larger organizations that want a stable, predictable tool.
The more useful fact for an operator is how Contentful treats change. Its official contentful-migration repository (read September 11, 2026) exists to “Describe and execute changes to your content model and transform entry content.” Once a site is live and full of real content, changing the model is expected to be a planned, repeatable operation rather than a casual edit. That is good discipline. It also makes your content model a governance question, not a setting someone tweaks on a Friday afternoon.
Why old posts stop fitting when a content model changes explains how that feels on an existing archive, whichever of the three you choose.
For pricing, read Contentful’s own pricing page on the day you decide, and ask it the same three things this page asks of the other two: what is metered, what counts as a user, and which roles and workflow features sit on which plan.
Storyblok: the editor is the page
Storyblok’s Visual Editor documentation (read September 11, 2026) describes “a WYSIWYG editing experience embedded directly in the Visual Editor, with complete freedom to customize both the website’s backend and frontend.” Content is built from blocks, which Storyblok calls bloks, so an editor assembles a page from components the developers have made available.
The part the demo does not dwell on: the same documentation sets out developer work that has to happen before the preview functions, including fetching draft content, marking up the page so the editor can find each block, and enabling Storyblok’s preview bridge. Only then is the website, in Storyblok’s words, “ready to communicate with Storyblok’s Visual Editor.” It is a one-time setup, and the result is a marketing team that can build and change pages on its own. Budget for the setup.
The trade-off is shape. Content organized as page layouts suits web pages well and is less natural when the same content has to appear in an app, a newsletter or a partner feed.
Pricing and workflow notes from Storyblok’s pricing page (read September 11, 2026):
- Starter is free, with one included seat (two at most) and two locales.
- Growth is $99.00 a month, or $90.75 a month billed yearly, with five seats included (up to ten, extra seats $15 each) and two locales included (extra locales $20 each).
- Growth Plus is $349.00 a month, or $319.91 a month billed yearly, with 15 seats and 10 locales.
- Premium and Elite are custom-priced.
“Custom Roles & Workflows” are listed on the custom-priced tiers, while the lower plans list standard or default workflows. If your editorial process needs its own approval stages inside the CMS, that is a custom-tier conversation.
The three questions that decide it for your team
Vendor comparisons skip this part, because every vendor would rather you compared features. Ask these before any demo.
1. After launch, who will change the content model?
If the answer is “our developers, whenever it is needed,” Sanity’s code-first model fits. If it is “rarely, through a planned process,” Contentful’s fits. If it is “we mostly add new page sections,” Storyblok’s block model fits.
2. Does your content live beyond web pages?
If articles also feed an app, a newsletter or other channels, content shaped as data (Sanity) or as structured entries (Contentful) travels better than content shaped as pages (Storyblok).
3. Do your editors write articles or build pages?
Writers producing articles want a clean form and a reliable preview. Marketers building campaign pages want blocks and a visual canvas. Choosing the wrong one frustrates the people who use it every day, and they are the ones who decide whether the platform succeeds.
If you cannot answer the third question yet, start with who publishes, and how often, before choosing a CMS for a content team.
| If your honest answers are… | The platform shaped for that is… |
|---|---|
| Developers own the model, content is reused across channels | Sanity |
| The model changes rarely and deliberately, editors want a ready-made tool | Contentful |
| Marketers build and change pages, content is mostly web pages | Storyblok |
That table matches a team to a shape. It does not rank the platforms, and a team whose answers are mixed should expect a compromise whichever it picks.
What none of the three solves
All three are headless platforms, and they share headless costs: somebody has to build and maintain the front end, preview has to be set up rather than simply being there, and anything beyond content entry depends on a developer relationship. What you lose when you go headless covers those costs plainly.
All three are also commercial vendors whose plans, prices and ownership can change over the life of your site. What happens if the vendor shuts down or gets acquired is the risk to plan for, whichever one you pick.
For the wider framework this comparison sits inside, see how to choose a CMS by eliminating options.
FAQ
What is the main difference between Sanity, Contentful and Storyblok?
Who shapes the editing experience. Sanity’s Studio is configured in code by developers. Contentful provides a ready-made editing interface built around content types. Storyblok centers on a Visual Editor where editors assemble pages from blocks once developers have connected the preview.
Which is easiest for non-technical editors?
It depends on the job. Marketers building pages usually find Storyblok’s visual editing natural once the preview is set up. Writers producing articles do well with Contentful’s structured forms or a well-built Sanity Studio. All three need developers for the front end.
Is Sanity free?
Sanity’s pricing page listed a Free plan at “$0 forever” on September 11, 2026, with 20 seats, 10k documents and two public datasets. It lists only the Administrator and Viewer roles, so anyone who edits content on that plan is an administrator.
Does Storyblok need a developer?
Yes, for the front end and to connect the Visual Editor preview, according to Storyblok’s own documentation. After that one-time setup, editors can build and change pages without developer help.
Three good platforms, three different answers. Pick the one whose answer matches your team, and read each pricing page on the day you decide.
