The difference between a code-based and GUI-based CMS

Duration: 7:22

Code based (Sanity CMS) and GUI based (Dato CMS) and how they work and the differences and nuances of using them. Get in touch below, bring your hardball questions.

Frequently asked questions

What's the difference between a code-based and GUI-based CMS?
A GUI-based CMS (Dato, Contentful, Storyblok) builds content models with drag-and-drop fields in an admin UI. A code-based CMS (Sanity, Payload) defines those models in JavaScript or TypeScript files in your repo. The trade-off is straightforward. GUI is easier to learn; code lets you do anything you want with custom fields, validation, and components.
What is a code-based CMS?
A code-based CMS defines its schema, validation, and custom fields in source code rather than through a web UI. Sanity and Payload are the two main examples. Because the schema lives in code, you can drop in custom React components, write arbitrary validation, and reuse fields the way you'd reuse functions in a normal application.
What is a GUI-based CMS?
A GUI-based CMS (Dato, Contentful, Storyblok, and most of the market) has you build content models by dragging fields into a form-builder inside the admin UI. It's faster to onboard non-developers, but the level of customization is capped at whatever the vendor exposes through that UI, especially around validation and custom field types.
Sanity vs Dato, which is better?
Both are solid headless CMSs, and Dato's marketing template and Sanity's Turbo Start template can produce visually similar sites. The choice comes down to how custom you need to go. Dato is faster for straightforward content models; Sanity wins as soon as you need custom fields (like an OG image generator), regex-style validation, or AI-driven automations baked into the studio.
Sanity vs Contentful, which should I choose?
Contentful is GUI-based, Sanity is code-based. Contentful is the safer pick if your team has more content editors than developers and you want a settled, well-documented CMS. Sanity is the right call if developer leverage matters; custom inputs, AI workflows, or anything beyond the standard set of fields will be easier to build there.
What is content velocity?
Content velocity is how fast a team can ship new content; write, publish, iterate. The argument for code-based CMSs is that the studio compounds. Each custom field (an automatic OG image, an AI-generated FAQ block, a structured author profile) shaves time off every future post, and those wins keep adding up across the year.
Is Payload similar to Sanity?
Yes. Payload is also code-based, with schema defined in TypeScript files. The video calls out that Payload "copied Sanity's homework" in a good way. If you've decided you want a code-based CMS but Sanity's hosting model isn't a fit, Payload is the closest equivalent.
How do I choose between a code-based and GUI-based CMS?
Spin up the default starter template from each candidate (Sanity's Turbo Start, Dato's marketing template, etc.), spend half a day in each, and pick whichever editing experience feels best. Also factor in scale; at 10,000+ pages with nuanced content models, a code-based CMS holds up better than a GUI-based one.


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