vioscale
Comparison

Builder.io vs KeystoneJS

No clear leader: KeystoneJS (58.9) and Builder.io (54.4) are within the 5-point margin; treat as a tie. The attribute-by-attribute breakdown below, with a source and date on every value, is the honest way to compare them.

Builder.io full profile →KeystoneJS full profile →
Machine formatsJSONMarkdownGraphQLor send Accept: application/json
Builder.io54
KeystoneJS59
Score
Vioscale score
Builder.io54 / 100medium · 73%
KeystoneJS59 / 100medium · 56%
Pricing
Free tier
Builder.io✓
KeystoneJS✓
Model
Builder.iofree
KeystoneJSfreemium
Price level
Builder.iofree
KeystoneJSfree
Transparent
Builder.io✗
KeystoneJS–
Integrations
Count
Builder.io10
KeystoneJS4
Security
Disclosure policy
Builder.io✓
KeystoneJS–
Gdpr
Builder.io✓
KeystoneJS–
Scorecard
Builder.io–
KeystoneJS5.3
Soc2
Builder.io✓
KeystoneJS–
Reliability
Status page
Builder.io✓
KeystoneJS–
Adoption
Github stars
Builder.io–
KeystoneJS9,963
Activity
Commits last 30d
Builder.io–
KeystoneJS100
Release
Cadence days
Builder.io–
KeystoneJS14
History
Builder.io–
KeystoneJS20 items
License
Spdx
Builder.io–
KeystoneJSMIT
Language
Primary
Builder.io–
KeystoneJSTypeScript
Market
Availability
Builder.ioAvailable worldwide
KeystoneJS–

Capabilities

Feature-by-feature on the axes that matter for cms software. “-” means undocumented, not absent.

Core
CMS type
Builder.ioHosted website builder
KeystoneJSHeadless / API-first
Licensing
Open-source
Builder.io✓
KeystoneJS✓
Deployment
Self-hostable
Builder.io✓
KeystoneJS✓
Managed / cloud hosting offered
Builder.io✓
KeystoneJS-
Delivery
Headless API (REST/GraphQL)
Builder.io✓
KeystoneJS✓
Content
Structured content modelling
Builder.io✓
KeystoneJS✓
Localisation / i18n
Builder.io-
KeystoneJS-
Content workflow / approvals
Builder.io✓
KeystoneJS✓
Editing
Visual / no-code page builder
Builder.io✓
KeystoneJS✗
Extensibility
Plugin / app ecosystem size
Builder.ioModel Context Protocol (MCP) servers for extensibility and custom integrations
KeystoneJSCustom field types and extensible architecture
Scale
Multi-site / multi-tenant
Builder.io-
KeystoneJS-
Workflow
Git-based / code-first workflow
Builder.io✓
KeystoneJS-
Pricing
Free / open tier
Builder.io✓
KeystoneJS✓

What each one is

The product in its own terms, so the numbers below have context.

Builder.io

Builder.io is a visual development platform that combines code editing, AI-assisted code generation, and design tools. Teams work collaboratively on web applications and components using visual editing, drag-and-drop design, or traditional coding, with automatic design system integration and content approval workflows.

Independently observed

KeystoneJS

A headless CMS for developers that provides a GraphQL API and management UI for content and data. Developers define a schema and get a powerful backend without boilerplate or bootstrapping.

Independently observed

Pricing

List pricing as published by each vendor, with the date we read it. Always verify at the source before you buy.

Builder.io

FreeFree tier
as of verify ↗

KeystoneJS

Open sourceFree tier

Free and open source

as of verify ↗

Platform & deployment

Where each product runs and how it can be hosted. A dash means undocumented, not unsupported.

Platforms
Web
Builder.io✓
KeystoneJS✓
CLI
Builder.io✓
KeystoneJS✓
Deployment
Cloud / SaaS
Builder.io✓
KeystoneJS✗
Self-hosted
Builder.io✗
KeystoneJS✓

Integrations

What each product connects to. Counts come from the vendor's own integration directory where one exists.

Builder.io

12 total
  • Jira
  • Supabase
  • Figma
  • GitHub
  • OpenAI
  • Anthropic
  • Slack
  • React
  • Vue
  • Svelte
  • Qwik
  • Zapier
Independently observed

KeystoneJS

4 total
  • Cloudinary
  • Prisma
  • Apollo Client
  • OpenTelemetry
Independently observed

Comparison generated from independently-sourced facts. Every value links to its source and retrieval date. See the method.