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CMS comparison Instatic vs Optimizely CMS

Instatic vs Optimizely CMS

Instatic is an open-source site builder that you host yourself. Optimizely CMS is a closed-source enterprise DXP that you can host yourself or run on the vendor's cloud. The table below sets them side by side on 28 features. They get a different status on 14.

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  • Instatic Site builder · Open source · 15 of 28 built in
  • Optimizely CMS Enterprise DXP · Closed source · 22 of 28 built in

Sources checked: Instatic on 30 Sept 2026, Optimizely CMS 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
Instatic vs Optimizely CMS feature comparison. Columns are the two platforms. Rows are features, grouped by area.
Platform
Instatic Site builder
Optimizely CMS Enterprise DXP
Overview
What it is Open-source, self-hosted CMS with a visual canvas editor. One Bun server runs the editor, content store and publisher, and publishing writes plain HTML files to disk.Optimizely's .NET CMS for rendered and headless sites, hosted on Optimizely's DXP cloud or self-hosted, with Optimizely Graph for delivery.
Edition compared The product and release each column describes. Instatic 0.0.20, open source Version 0.0.20, released 13 Sept 2026 Optimizely CMS 13 PaaS, the current flagship. CMS SaaS is a separate hosted variant. Version 13.1.3, released 9 Sept 2026
Vendor CoreBunch instatic.com Optimizely optimizely.com
Licence Open source MIT Closed source Proprietary
Hosting Self-hosting No vendor cloud No managed hosting. You deploy the Docker image to your own server, or use the Railway and Render templates. Self-hosting Vendor cloud Self-hosted installs lose Opti ID features such as Opal and the DAM.
Built with TypeScript, Bun, React admin.NET 10, ASP.NET Core
Database SQLite, PostgreSQLSQL Server, Azure SQL on DXP
Pricing Public list prices only. Hosting and implementation are extra everywhere. Free to start Free and open source, with no paid tiers. You pay only for hosting. No free option Pricing on request.
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. Not available Tables and fields live in the database and change in the Data workspace. Plugins can create tables through the SDK. 610 Built in Content types as C# classes. 3
Content model in the UI Admins can create and change content types and fields in the admin interface without writing code. Built in Custom post types and data tables in the Data workspace. 616 Built in Content types and properties in Settings. 4
Reusable blocks Editors compose pages from reusable, typed components or blocks, and can reorder them. Built in Visual Components with typed parameters and named slots, placed and reordered on the canvas. 72 Built in Blocks in content areas and Visual Builder elements.
Localization Editors translate content per locale inside the CMS, by field or by entry, without a separate site for each language. Not available One site-wide language setting. No per-locale fields or entries. 21 Built in Language branches per content item. 5
Image transformations The CMS resizes, crops or converts images on request, through URL parameters or generated sizes, with no external service. Built in Uploads get a set of WebP sizes, and the publisher writes srcset and sizes from the layout. 81 Built in DXP CDN resizes, crops and converts images by URL parameters. 6
APIs and delivery
REST API A documented REST or JSON HTTP API returns content. Limited The JSON API under /admin/api/cms serves the admin behind a session cookie. No token-based content API outside MCP. 920 Built in Content Delivery API 13 and a management REST API. 12
GraphQL API The vendor or an official module provides a GraphQL API for content. Not available Built in Optimizely Graph, included in the CMS 13 licence. 28
Webhooks The CMS can call an external URL when content is created, changed or published. Not available No built-in webhooks. A plugin with network access can call a URL from content hooks. 10 Limited Graph webhooks fire on sync batches and expired content only. Per-item hooks need code. 72
Renders the website The CMS itself renders and serves the public pages through themes or templates. Headless-only products answer no. Built in Publishing renders every page to static HTML on the server's disk. 11 Built in ASP.NET Core MVC and Razor rendering, or headless. 2
Editorial workflow
Drafts Editors save changes as a draft and publish them later. The live version stays untouched until then. Built in 51 Built in 9
Scheduled publishing An editor can set a future date and time for content to publish or unpublish. Built in Per page and per post-type entry. 5 Built in 9
Version history The CMS keeps earlier versions of an entry, and editors can compare or restore them. Built in Published versions of pages and entries, restorable into the draft. Added in 0.0.20. 124 Built in
Preview Editors can see unpublished content rendered as it will appear on the site before publishing. Built in The canvas renders drafts in the site design. Branch preview links work without an account. 122 Built in
Visual editing Editors can click on the rendered page and edit content in place or in a side panel next to it. Built in Editing happens on the rendered page canvas, with a live mode for the full-size page. 214 Built in Visual Builder. 2
Approval workflows Content moves through review stages you configure, such as draft, review and approved, with permissions per stage. Limited Branch merge requests with a review page and comments. No configurable review stages. 12 Built in Approval sequences. 10
Content releases Editors group changes across several entries and publish them together as one release. Limited Publish ships all draft pages at once. Branches group edits across pages and entries, but entries still publish one by one. 125 Built in Projects publish or schedule grouped items together. 11
Real-time co-editing Two or more editors can work on the same entry at once and see each other's changes live. Limited Live co-editing of pages, components and layouts in the Site editor. Content workspace entries save separately. 13144 Not available Comments and notifications only. 12
Access and governance
Custom roles Admins define their own roles with granular permissions instead of picking from a fixed set. Built in The Owner builds roles from a fixed list of capabilities. 1516 Built in Access rights for roles and virtual roles. 13
Field-level permissions Admins can restrict access to single fields, on top of content types and entries. Not available Capabilities apply per table type and edit category, not per field. 16 Not available Access rights apply per content item. Not documented per property. 13
Single sign-on Editors can sign in through SAML or OpenID Connect against a company identity provider. Not available Email and password with optional TOTP two-factor. 15 Built in Opti ID with an external identity provider, or OpenID Connect in code. 2
Audit log The CMS logs who changed what and when across the whole installation, and admins can review the log. Built in Append-only log of logins, content changes, role edits and plugin actions. 17 Built in Change Log in Settings. 14
Platform and extensibility
Multiple sites One installation or account can manage several separate websites or brands with shared users. Not available One site per installation. 2 Built in Several sites and hosts in one installation. 15
Extensible admin UI Developers can add their own components, views or fields to the editing interface. Built in Plugins add admin pages, editor extensions, dashboard widgets and canvas modules. 10 Built in Shell modules, gadgets and custom editor widgets. 16
Plugin marketplace The vendor runs an official directory or marketplace of installable extensions. Not available Plugins install as uploaded zip packages. No official directory. 10 Built in Optimizely connectors directory and NuGet add-ons. 17
Form builder Editors can build and publish forms and collect submissions without code. Built in Forms are built on the canvas and submissions land in a data table. 18 Plugin or add-on Optimizely Forms package. No extra licence. 18
Site member accounts The platform handles sign-up and login for public site users or members, separate from editors. Not available Limited Visitor login uses ASP.NET Core authentication set up in code. 2
AI writing assistant A first-party AI feature in the editing interface generates, rewrites or translates content. Built in Built-in agent in the Site and Content workspaces, with your own Claude, OpenAI, OpenRouter or Ollama key. 19 Plugin or add-on Opal, billed through Opal credits. Needs Opti ID on DXP. 219
Official MCP server The vendor publishes a Model Context Protocol server so AI agents can read or write content. Built in Built in at /_instatic/mcp, with OAuth or scoped personal access tokens. 20 Built in MCP server in the Optimizely.Cms.Opal.Tools package. 20

Considering more platforms? Compare Instatic and Optimizely CMS with the rest of your shortlist in the CMS comparison tool.

Where they differ

Instatic and Optimizely CMS get a different status on 14 of the 28 features and the same status on 14. Instatic has 15 built in on its baseline edition, Optimizely CMS has 22. 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
Instatic is open source (MIT). Optimizely CMS is closed source (Proprietary).
Vendor cloud
Instatic has no vendor-run cloud. Optimizely CMS has a vendor-run cloud.
Free option
Instatic has a free option. Optimizely CMS has no free option.

Built in on Instatic, a different answer on Optimizely CMS 2

  • Form builder Instatic: Built in. Optimizely CMS: Plugin or add-on.
  • AI writing assistant Instatic: Built in. Optimizely CMS: Plugin or add-on.

Built in on Optimizely CMS, a different answer on Instatic 9

  • Content model in code Instatic: Not available. Optimizely CMS: Built in.
  • Localization Instatic: Not available. Optimizely CMS: Built in.
  • REST API Instatic: Limited. Optimizely CMS: Built in.
  • GraphQL API Instatic: Not available. Optimizely CMS: Built in.
  • Approval workflows Instatic: Limited. Optimizely CMS: Built in.
  • Content releases Instatic: Limited. Optimizely CMS: Built in.
  • Single sign-on Instatic: Not available. Optimizely CMS: Built in.
  • Multiple sites Instatic: Not available. Optimizely CMS: Built in.
  • Plugin marketplace Instatic: Not available. Optimizely CMS: Built in.

Built in on neither, with different answers 3

  • Webhooks Instatic: Not available. Optimizely CMS: Limited.
  • Real-time co-editing Instatic: Limited. Optimizely CMS: Not available.
  • Site member accounts Instatic: Not available. Optimizely CMS: Limited.

More comparisons

Full write-ups with worked examples and costs: Optimizely CMS vs Payload.

Instatic against other platforms

Optimizely CMS against other platforms

Open the CMS comparison tool to put up to six platforms in one table.

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