EmDash vs Prismic
EmDash is an open-source traditional CMS that you host yourself. Prismic is a closed-source headless CMS that runs on the vendor's cloud. The table below sets them side by side on 28 features. They get a different status on 15.
- EmDash Traditional · Open source · 14 of 28 built in
- Prismic Headless · Closed source · 16 of 28 built in
Sources checked: EmDash on 29 Sept 2026, Prismic on 29 Sept 2026. Plans and releases can change after those dates.
WAYF is an official Payload partner and top contributor. Every platform in the table is classified by the same published definitions, and each answer lists the vendor page it came from.
Feature comparison
Built inPaid tierPlugin or add-onLimitedNot available
| Platform | |  |
|---|---|---|
| Overview | ||
| What it is | Open-source CMS from Cloudflare that runs inside an Astro site, with the admin and pages in one app on Cloudflare Workers or Node.js. | Hosted headless page builder where marketers compose pages from developer-built slices. Run by Prismic, with SDKs for Next.js, Nuxt and SvelteKit. |
| Edition compared The product and release each column describes. | EmDash 1.0, open source Version 1.0.1, released 28 Sept 2026 | Prismic SaaS, Free to Enterprise plans SaaS, continuously updated |
| Vendor | Cloudflare emdashcms.com | Prismic prismic.io |
| Licence | Open source MIT | Closed source Proprietary |
| Hosting | Self-hosting No vendor cloud No managed hosting. You deploy to your own Cloudflare account or Node.js server. | No self-hosting Vendor cloud |
| Built with | TypeScript, Astro | SaaS with SDKs for Next.js, Nuxt and SvelteKit |
| Database | SQLite, Cloudflare D1, PostgreSQL, libSQL | Managed by Prismic |
| Pricing Public list prices only. Hosting and implementation are extra everywhere. | Free to start Free and open source. You pay only for hosting. | Free to start Free plan. Starter $10, Small $25, Medium $150, Platinum $675 per repository per month, billed yearly. |
| Content modelling | ||
| Content model in code You define content types in files in your repository, review them like any other code and apply them from there. Imperative migration scripts alone count as limited. | Limited Seed files set up new sites. A live site's model changes through the admin, API or CLI. 20 | Built in Model files live in the project. The Prismic CLI pushes and pulls them. 2 |
| Content model in the UI Admins can create and change content types and fields in the admin interface without writing code. | Built in Admin role only. 220 | Built in Type Builder in the web app. 3 |
| Reusable blocks Editors compose pages from reusable, typed components or blocks, and can reorder them. | Built in Blocks field with versioned block types. 5 | Built in Slices with variations. 4 |
| Localization Editors translate content per locale inside the CMS, by field or by entry, without a separate site for each language. | Built in Each translation is a separate entry with its own status. 6 | Built in 2 locales on Free, 8 on Platinum, custom on Enterprise. 1 |
| Image transformations The CMS resizes, crops or converts images on request, through URL parameters or generated sizes, with no external service. | Built in Uses Astro's image endpoint for sizes and formats. Crop and focal point in the editor. 78 | Built in Image optimization and processing on all plans. 1 |
| APIs and delivery | ||
| REST API A documented REST or JSON HTTP API returns content. | Built in 9 | Built in Document API. 15 |
| GraphQL API The vendor or an official module provides a GraphQL API for content. | Not available | Built in 15 |
| Webhooks The CMS can call an external URL when content is created, changed or published. | Plugin or add-on Official webhook-notifier plugin. 18 | Built in 6 |
| Renders the website The CMS itself renders and serves the public pages through themes or templates. Headless-only products answer no. | Built in The Astro site renders the pages. 2 | Not available |
| Editorial workflow | ||
| Drafts Editors save changes as a draft and publish them later. The live version stays untouched until then. | Built in 10 | Built in |
| Scheduled publishing An editor can set a future date and time for content to publish or unpublish. | Built in 10 | Built in Scheduled through releases on every plan. 18 |
| Version history The CMS keeps earlier versions of an entry, and editors can compare or restore them. | Built in On revision-enabled collections. 10 | Built in Full revision history on every plan. 1 |
| Preview Editors can see unpublished content rendered as it will appear on the site before publishing. | Built in Signed preview links. 11 | Built in Shareable previews on every plan. 17 |
| Visual editing Editors can click on the rendered page and edit content in place or in a side panel next to it. | Built in Signed-in editors get visual editing on the rendered page. 11 | Built in Page Builder shows live slice previews from your site next to the fields. 7 |
| Approval workflows Content moves through review stages you configure, such as draft, review and approved, with permissions per stage. | Not available Contributors cannot publish. No configurable review stages. 1210 | Limited Writer and Publisher roles from Medium. No configurable review stages. 9 |
| Content releases Editors group changes across several entries and publish them together as one release. | Not available | Built in Up to 200 pages per release. 8 |
| Real-time co-editing Two or more editors can work on the same entry at once and see each other's changes live. | Not available | Not available In progress with a waitlist. A status indicator shows who is editing. 10 |
| Access and governance | ||
| Custom roles Admins define their own roles with granular permissions instead of picking from a fixed set. | Not available Five fixed roles from Subscriber to Admin. 12 | Limited Enterprise only. Fixed Read-only, Writer or Publisher levels set per locale. No role builder. 19 |
| Field-level permissions Admins can restrict access to single fields, on top of content types and entries. | Not available 12 | Not available |
| Single sign-on Editors can sign in through SAML or OpenID Connect against a company identity provider. | Limited Microsoft Entra sign-in built in. Other IdPs through Cloudflare Access. No native SAML. 12 | Paid tier Enterprise. 19 |
| Audit log The CMS logs who changed what and when across the whole installation, and admins can review the log. | Plugin or add-on Official audit-log plugin. 19 | Not available Not documented publicly. |
| Platform and extensibility | ||
| Multiple sites One installation or account can manage several separate websites or brands with shared users. | Not available | Built in Each site is a repository on its own plan. Spaces group content inside one. 111 |
| Extensible admin UI Developers can add their own components, views or fields to the editing interface. | Built in Plugins add admin pages and dashboard widgets. 13 | Limited Integration fields load external catalog data into a picker. No custom UI code. 12 |
| Plugin marketplace The vendor runs an official directory or marketplace of installable extensions. | Built in Plugin registry, launched with 1.0. 143 | Not available Integration guides only. No installable marketplace. 13 |
| Form builder Editors can build and publish forms and collect submissions without code. | Plugin or add-on Official forms plugin. 17 | Not available |
| Site member accounts The platform handles sign-up and login for public site users or members, separate from editors. | Limited Subscriber role reads member-only content. Members share the editors' user system. 12 | Not available |
| AI writing assistant A first-party AI feature in the editing interface generates, rewrites or translates content. | Not available | Limited Beta on request: AI translation and SEO metadata suggestions. 114 |
| Official MCP server The vendor publishes a Model Context Protocol server so AI agents can read or write content. | Built in Built in and on by default. 15 | Built in Hosted at mcp.prismic.io, activated per repository. 15 |
EmDash sources
Checked 29 Sept 2026. EmDash 1.0, open source.
- emdash on the npm registry
- EmDash homepage
- EmDash 1.0: an open source CMS for Astro
- EmDash repository on GitHub
- EmDash docs: Blocks
- EmDash docs: Internationalization
- EmDash docs: Configuration reference
- EmDash docs: Media Library
- EmDash docs: REST API
- EmDash docs: Content lifecycle
- EmDash docs: Preview mode
- EmDash docs: Authentication
- EmDash docs: Plugins overview
- EmDash docs: Plugin registry
- EmDash docs: AI tools and MCP server
- EmDash docs: Database options
- @emdash-cms/plugin-forms on the npm registry
- @emdash-cms/plugin-webhook-notifier on the npm registry
- @emdash-cms/plugin-audit-log on the npm registry
- EmDash docs: Evolving a deployed site
Prismic sources
Checked 29 Sept 2026. Prismic SaaS, Free to Enterprise plans.
- Prismic pricing and plan comparison
- Prismic CLI
- Prismic Type Builder
- Prismic slices
- Prismic API references
- Prismic webhooks
- Prismic previews and live previews
- Prismic releases
- Prismic users and permissions
- Prismic update: real-time collaboration
- Prismic: organize pages with spaces
- Prismic integration field
- Prismic integrations
- Prismic AI (beta)
- Prismic MCP server
Considering more platforms? Compare EmDash and Prismic with the rest of your shortlist in the CMS comparison tool.
Where they differ
EmDash and Prismic get a different status on 15 of the 28 features and the same status on 13. EmDash has 14 built in on its baseline edition, Prismic has 16. Two matching statuses can still name different paid tiers or limits, so read the notes in the table before treating a row as equal.
- Licence
- EmDash is open source (MIT). Prismic is closed source (Proprietary).
- Self-hosting
- EmDash can be self-hosted. Prismic cannot be self-hosted.
- Vendor cloud
- EmDash has no vendor-run cloud. Prismic has a vendor-run cloud.
Built in on EmDash, a different answer on Prismic 3
- Renders the website EmDash: Built in. Prismic: Not available.
- Extensible admin UI EmDash: Built in. Prismic: Limited.
- Plugin marketplace EmDash: Built in. Prismic: Not available.
Built in on Prismic, a different answer on EmDash 5
- Content model in code EmDash: Limited. Prismic: Built in.
- GraphQL API EmDash: Not available. Prismic: Built in.
- Webhooks EmDash: Plugin or add-on. Prismic: Built in.
- Content releases EmDash: Not available. Prismic: Built in.
- Multiple sites EmDash: Not available. Prismic: Built in.
Built in on neither, with different answers 7
- Approval workflows EmDash: Not available. Prismic: Limited.
- Custom roles EmDash: Not available. Prismic: Limited.
- Single sign-on EmDash: Limited. Prismic: Paid tier.
- Audit log EmDash: Plugin or add-on. Prismic: Not available.
- Form builder EmDash: Plugin or add-on. Prismic: Not available.
- Site member accounts EmDash: Limited. Prismic: Not available.
- AI writing assistant EmDash: Not available. Prismic: Limited.
More comparisons
Full write-ups with worked examples and costs: Prismic vs Payload.
EmDash against other platforms
- Adobe Experience Manager vs EmDash
- Contentful vs EmDash
- Contentstack vs EmDash
- CoreMedia Content Cloud vs EmDash
- Craft CMS vs EmDash
- DatoCMS vs EmDash
- Decap CMS vs EmDash
- Directus vs EmDash
- Drupal vs EmDash
- EmDash vs FirstSpirit
- EmDash vs Framer
- EmDash vs Ghost
- EmDash vs HubSpot CMS
- EmDash vs Hygraph
- EmDash vs Instatic
- EmDash vs Joomla
- EmDash vs Keystone
- EmDash vs Kirby
- EmDash vs Liferay DXP
- EmDash vs Optimizely CMS
- EmDash vs Payload
- EmDash vs Progress Sitefinity
- EmDash vs Sanity
- EmDash vs Sitecore
- EmDash vs Squarespace
- EmDash vs Statamic
- EmDash vs Storyblok
- EmDash vs Strapi
- EmDash vs TYPO3
- EmDash vs Umbraco
- EmDash vs Wagtail
- EmDash vs Webflow
- EmDash vs Wix
- EmDash vs WordPress
- EmDash vs Xperience by Kentico
Prismic against other platforms
- Adobe Experience Manager vs Prismic
- Contentful vs Prismic
- Contentstack vs Prismic
- CoreMedia Content Cloud vs Prismic
- Craft CMS vs Prismic
- DatoCMS vs Prismic
- Decap CMS vs Prismic
- Directus vs Prismic
- Drupal vs Prismic
- FirstSpirit vs Prismic
- Framer vs Prismic
- Ghost vs Prismic
- HubSpot CMS vs Prismic
- Hygraph vs Prismic
- Instatic vs Prismic
- Joomla vs Prismic
- Keystone vs Prismic
- Kirby vs Prismic
- Liferay DXP vs Prismic
- Optimizely CMS vs Prismic
- Prismic vs Payload
- Prismic vs Progress Sitefinity
- Prismic vs Sanity
- Prismic vs Sitecore
- Prismic vs Squarespace
- Prismic vs Statamic
- Prismic vs Storyblok
- Prismic vs Strapi
- Prismic vs TYPO3
- Prismic vs Umbraco
- Prismic vs Wagtail
- Prismic vs Webflow
- Prismic vs Wix
- Prismic vs WordPress
- Xperience by Kentico vs Prismic
Open the CMS comparison tool to put up to six platforms in one table.
We're booking content platform
engagements for 2026.
Twenty-five minutes to walk through the work and decide if we're the right team for it. Scoping and a fixed price come after.