vioscale
Comparison

Scalar vs Stoplight

On the evidence we track, Scalar leads this comparison with a composite score of 62/100. Scores are only directly comparable because these tools share a category; the full breakdown and every source is below.

Scalar full profile →Stoplight full profile →
Machine formatsJSONMarkdownGraphQLor send Accept: application/json
★Scalar62
Stoplight47
Score
Vioscale score
Scalar62 / 100high · 76%updating
Stoplight47 / 100medium · 63%updating
Pricing
Free tier
Scalar✓
Stoplight✓
Model
Scalarcommercial
Stoplightcommercial
Price level
Scalarfree
Stoplightlow
Transparent
Scalar✓
Stoplight✓
Integrations
Count
Scalar1
Stoplight7
Security
Disclosure policy
Scalar✓
Stoplight–
Gdpr
Scalar✓
Stoplight✓
Scorecard
Scalar–
Stoplight3.6
Soc2
Scalar✓
Stoplight–
Vulnerabilities
Reliability
Status page
Scalar✓
Stoplight✓
Adoption
Dependent repos
Scalar1
Stoplight0
Github stars
Scalar15,999
Stoplight872
Package downloads weekly
Scalar824,329
Stoplight–
Activity
Commits last 30d
Scalar100
Stoplight0
Release
Cadence days
Scalar3
Stoplight27
History
Scalar20 items
Stoplight20 items
License
Spdx
ScalarMIT
Stoplight–
Language
Primary
ScalarTypeScript
Stoplight–
Market
Availability

Capabilities

Feature-by-feature on the axes that matter for api development tools. “-” means undocumented, not absent.

Core
REST client
Scalar✓
Stoplight✓
GraphQL support
Scalar-
Stoplight✓
gRPC support
Scalar-
Stoplight-
Design
Mock servers
Scalar-
Stoplight✓
Testing
Automated / contract testing
Scalar-
Stoplight-
Collaboration
Team collaboration & sharing
Scalar-
Stoplight✓
Docs
Doc generation
Scalar✓
Stoplight✓
Standards
OpenAPI / spec import
Scalar✓
Stoplight✓
Ops
CI integration / CLI
Scalar-
Stoplight✓

What each one is

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

Scalar

Leader

An open-source platform for building API documentation sites that includes automatically generated SDKs, a browser-based API client, and API registry capabilities. Supports OpenAPI and AsyncAPI specifications.

Independently observed

Stoplight

A platform for designing APIs using OpenAPI specifications with visual editors, automatic documentation generation, mock servers, and team collaboration features for API governance across organizations.

Independently observed

Pricing

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

Scalar

Leader
from $72/moSubscriptionFree tier

From $72/month. Free tier. SDK languages available: TypeScript, Python, C#, Java, PHP, Go, Ruby (+$100 each for Pro/Enterprise).

  • FreeFree
    • Hosted OpenAPI docs
    • Built-in API client
    • Themes
    • Unlimited viewer seats
    • 1 editor seat
  • Pro$72/month
    • Custom domains and subdomains
    • Git Sync, Markdown, and MDX support
    • API References from OpenAPI/AsyncAPI
    • Custom HTML/CSS/JS
    • Email domain access control
    • +10 more
  • EnterpriseContact sales
    • Full developer portals
    • SSO/SAML
    • Role-based access control (RBAC)
    • Priority support and SLAs
    • SDK and MCP migration services
    • +2 more
as of verify ↗

Stoplight

from $11/moSubscriptionFree tier14-day trial

From $44/month billed annually. Free tier available with 14-day trials on paid plans.

  • FreeFree
    • API editor
    • OpenAPI/JSON schema visual designer
    • Code-based editing
    • Schema reuse
    • Design validation
    • +8 more
  • Basic$44/month (annual), first 3 users free, $11 per additional user/month
    • OpenAPI/JSON schema visual designer
    • Interactive docs
    • Instant mock servers
  • Startup$113/month (annual), first 8 users free, $11 per additional user/month
    • Private projects
    • Multi-branch support
    • Custom domains and theming
    • Google Analytics integration
    • Approved email domains
  • Pro Team$362/month (annual), first 15 users free, $22 per additional user/month
    • Up to 20 teams
    • Shared style guides
    • Workspace groups
    • Remove Stoplight branding
    • Self-hosted Git providers
    • +3 more
  • EnterpriseContact sales
    • Custom pricing
    • Unlimited projects and teams
    • Custom payment terms
    • Invoicing
    • Priority support
as of verify ↗

Platform & deployment

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

Platforms
Web
Scalar✓
Stoplight✓
macOS
Scalar✗
Stoplight✓
Windows
Scalar✗
Stoplight✓
Linux
Scalar✗
Stoplight✓
CLI
Scalar✗
Stoplight✓
Deployment
Cloud / SaaS
Scalar✓
Stoplight✓
Self-hosted
Scalar✓
Stoplight✓

Integrations

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

Scalar

Leader
1 total
  • Agent
Independently observed

Stoplight

7 total
  • GitHub
  • GitLab
  • Azure DevOps
  • Bitbucket
  • Google Analytics
  • LDAP
  • SAML
Independently observed

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