Case Study
View Case StudyTray.ai
Migrating hundreds of thousands of pages, re-platforming and extending for the leading composable AI integration platform

From Directus to Builder.io
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Key pain points
Directus looks fantastic in demos, but things get rocky once you actually try to use it at scale. The Professional cloud plan is $99/month and caps you at 5 users, 75,000 database entries, and 250,000 API requests — grow past any of those limits and you're straight into custom Enterprise territory. The v12 move to the Monospace Sustainable Core License (MSCL) has also rattled the community; smaller orgs get a free Innovation Grant, but larger teams are navigating a licensing landscape that changed significantly from what they signed up for.
On the dev side, updates can introduce breaking changes, the documentation doesn't always keep pace, and the extension ecosystem is pretty thin. Localization is technically supported but fiddly and easy to misconfigure, and large datasets make the UI noticeably sluggish. And if you want anything deeply custom, you're suddenly living in Vue.js land, which is not where most teams want to spend their weekends.

Breaking update changes
Directus explicitly does not follow semver — any release may include breaking changes. The v10 to v11 upgrade hit schema changes and dropped fields, and the v11 UI scale change (px to rem) broke extensions hardcoding pixel values. Plan your upgrade windows carefully.

Limited extension ecosystem
The plugin ecosystem is still pretty bare. Anything even mildly niche ends up becoming a "let's just custom build it" moment, which defeats the purpose of picking a CMS with extensions. The marketplace launched in beta in early 2024 and is still maturing.

Complex localization setup
Yes, it supports multilingual content, but setting it up feels like assembling IKEA furniture blindfolded. It works, but expect extra config, extra steps, and extra patience.

Version history still tier-gated
Global draft versions now ship automatically with every versioned item — no manual setup required as of March 2026 — which is a genuine improvement. Full version history, rollbacks, and controlled releases are still locked behind higher-tier plans, though, so if predictable publishing workflows are a must, check your tier carefully before committing.

Vue.js knowledge requirement
Custom interfaces and deeper tweaks need Vue.js, so if your team only speaks React, prepare for a small identity crisis (or a hiring plan).

Large dataset performance issues
Heavy tables and deeply relational data can slow down queries and the UI — community reports show 25K-row datasets where raw SQL runs in milliseconds but the Directus API takes 20+ seconds, largely due to internal query overhead and no auto-indexes on foreign keys.
Key advantages
Builder.io occupies a unique spot in the headless CMS landscape. It is not really a traditional headless CMS in the way that Sanity or Contentful are. It is more of a visual page builder with headless capabilities bolted on. That distinction matters because if your marketing team needs to ship landing pages fast without filing Jira tickets, Builder.io genuinely delivers on that promise. The drag-and-drop editor is solid, and the ability to register your own React components so that non-developers can compose pages from your actual design system is a legitimately powerful idea.
Where Builder.io really shines is in bridging the gap between developers and marketing teams. You build the components, register them with Builder, and then hand the keys over. Marketers can assemble pages, run A/B tests, and publish without touching code. For agencies like ours, this means fewer "can you just move this banner" tickets and more time spent on actual engineering work.
The framework support is also genuinely broad. Next.js, React, Angular, Vue, Svelte, Qwik, SolidJS, and React Native all have SDKs. If you are running a modern JavaScript stack, Builder.io probably has an integration for it. The AI features they have been shipping are interesting too, though still early days in terms of real production reliability.

Visual drag-and-drop editor
The visual editor lets non-technical users build and edit pages using your actual codebase components. It is one of the better implementations of visual editing in the headless space.

Custom component registration
Developers can register their own React, Vue, or Angular components so editors drag and drop real design system pieces rather than generic blocks.

A/B testing and personalisation built in
Native experimentation tools let marketing teams run split tests and personalise content without needing a separate optimisation platform.

Broad framework support
SDKs for Next.js, React, Angular, Vue, Svelte, Qwik, SolidJS, and React Native mean you are not locked into a single frontend framework.

Marketing team autonomy
Content and marketing teams can ship landing pages, campaign pages, and promotions independently, which frees up developer time for product work.
Structured and visual content modes
Builder.io supports both structured data models for developer-driven content and visual page building for marketing-driven content, giving teams flexibility in how they work.
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