Contentful vs Prismic

Strong content types with references. Lacks native union fields, workarounds need multiple reference fields.

Custom Types are solid but lack union or polymorphic fields. Complex relational structures need workarounds.

Content types can reference each other for reuse but there's no native block primitive. Rich Text embedded entries help.

Slices are purpose-built for reuse, defined once in Slice Machine and shared across all page types.

Built-in validators for required, range, size, and regex. Custom validators need a UI extension to configure.

Validation limited to required marking. No regex, character limits, or custom validators without custom field plugins.

The web app is polished and familiar, editors with any CMS background can publish independently without developer help.

The Page Builder is the most approachable editor, picking a slice, filling fields, and publishing takes minutes.

Live preview requires developer config of the Preview API. No out-of-the-box visual editor available.

Slice Simulator gives live previews during development. Editors can share a preview link before publishing.

Draft and published states built in. Tasks and comments need Teams+ plans. Approval chains require external tooling.

Draft, in-review, and published states built in. Batched Releases available. Approval chains need the Platinum plan.

Media Library handles uploads, tagging, and image API transforms. No native AI cropping or focal points.

Media library handles uploads and basic organization. Imgix powers delivery but no focal point UI or transform control.

No simultaneous editing, last save wins. Conflicts between concurrent editors are not surfaced in real time.

No real-time simultaneous editing. Prismic uses document locking, one editor holds a document at a time.

Roles support content type and tag-based access. Field-level permissions need Contentful Apps or higher plans.

Admin and writer roles cover basic access. Granular custom roles need Enterprise plan. No field-level access control.

Multi-locale is a core feature, every field localizes independently with locale-specific publishing states.

Field-level locale variants and a clean translation UI. Multiple locales per repository supported on all plans.

Fallback is configurable in space settings and honored by the Delivery API when a translation is missing.

Fallback must be handled in the query layer or frontend, the API returns null for missing translations.

Comprehensive REST and GraphQL docs with a playground, official SDKs in JS, Python, and PHP, with TypeScript support.

REST and GraphQL APIs are well documented. @prismicio/client generates TypeScript types from your Slice Machine config.

Official Next.js and Astro starters for all major frameworks. The npm package is mature and well-documented.

Slice Machine is the best first-run setup, Next.js and Nuxt adapters configure routing, previews, and types.

The CMA supports migrations, bulk ops, and content type management. contentful-migration CLI is production-grade.

Write and Migration APIs support programmatic content and bulk ops but are less mature than alternatives.

Environment branching is a flagship feature. Each space supports multiple environments with full content promotion.

Environments are Platinum/Enterprise only, scoped to schema testing. Prismic recommends production Releases for review.

Content via Fastly CDN with sub 100ms API response times. Images via Fastly Image Optimizer.

Content via Fastly's global edge. One of the better-performing CMS APIs on cold-start latency benchmarks.

Fully managed SaaS with zero infrastructure to configure or maintain. Scales transparently with usage.

Fully managed SaaS with zero infrastructure to configure or maintain.

Largest CMS marketplace, apps for Shopify, Salesforce, Cloudinary, and Imgix. Enterprise integrations are solid.

Slice Machine-centric ecosystem with strong Next.js and Nuxt integrations. Fewer marketplace plugins than others.

Active forums and a certification program. Less community content than others but strong enterprise support.

A small but helpful community. Forum support is responsive but fewer tutorials and plugins than larger CMS platforms.