Comparison

Insomnia vs Swagger UI

On the evidence we track, Swagger UI leads this comparison with a composite score of 69/100. Scores are only directly comparable because these tools share a category; the full breakdown and every source is below.

Machine formatsMarkdownJSONGraphQLMarkdown is open. JSON and GraphQL need a free key.
Insomnia63
★Swagger UI69
Score
vioscaleAI score
Insomnia63 / 100high · 75%
Swagger UI69 / 100medium · 68%
Pricing
Free tier
Insomnia✓
Swagger UI✓
Model
Insomniafreemium
Swagger UIcommercial
Price level
Insomnialow
Swagger UIfree
Transparent
Insomnia✗
Swagger UI✓
Integrations
Count
Insomnia2
Swagger UI3
Reliability
Status page
Insomnia✓
Swagger UI–
Adoption
Dependent repos
Insomnia91
Swagger UI60,531
Github stars
Insomnia40,046
Swagger UI29,027
Package downloads weekly
Insomnia–
Swagger UI129,984
Stackoverflow questions
Insomnia900
Swagger UI–
Activity
Commits last 30d
Insomnia53
Swagger UI26
Release
Cadence days
Insomnia6
Swagger UI11
History
Insomnia20 items
Swagger UI20 items
License
Spdx
InsomniaApache-2.0
Swagger UIApache-2.0
Language
Primary
InsomniaTypeScript
Swagger UIJavaScript
Content
Faq
Insomnia8 items
Swagger UI8 items

Capabilities

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

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

What each one is

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

Insomnia

An open-source application for designing, testing, and managing APIs across REST, GraphQL, gRPC, WebSockets and other HTTP protocols, with flexible local, cloud, and git-based storage options.

Independently observed

Swagger UI

Leader

A tool that automatically transforms OpenAPI specifications into visual, interactive documentation allowing developers to explore and test API operations directly without implementing the backend. Works across browsers and deployment environments as a set of reusable web components.

Independently observed

Pricing

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

Insomnia

from $12/moSubscriptionFree tier14-day trial

Free tier with unlimited projects and Git Sync. Pro from $12/user/mo. Enterprise from $45/user/mo with contact sales for 50+ users.

  • EssentialsFree
    • Unlimited Git Sync projects for small teams
    • Unlimited Cloud/Local projects
    • Inso CLI access for CI/CD
    • Unlimited collection runs
    • Unlimited environments
    • +4 more
  • Pro$12/user/mo (15% savings annually)
    • Everything in Essentials
    • Unlimited users
    • Git Sync for all users
    • Unlimited organizations
    • Role-based access control (RBAC)
    • +1 more
  • EnterpriseContact sales
    • Everything in Pro
    • Native Kong Konnect integration
    • SSO (SAML/OIDC) and SCIM
    • Mandate data storage location
    • Domain capture and invite control
    • +6 more
as of verify ↗

Swagger UI

Leader
from €21.20/moSubscriptionFree tier

From €21.20/user/month. Free tier available. Yearly billing offers 20% discount. Contact sales for Enterprise Plus.

  • Individual€21.20/user/month (20% discount for annual billing)
    • Catalog
    • Studio (Codegen, editor, form-based editor, 5 domains)
    • Portal (1 public product with SmartBear branding)
    • Contract testing (10 contracts, 10 AI credits)
    • Functional testing (50 test executions, test automation, CI/CD integration, assertions, reporting, sequential testing)
  • Team€32.34/user/month (20% discount for annual billing)
    • Catalog
    • Studio (Codegen, editor, form-based editor, 10 domains)
    • Portal (2 public products with SmartBear branding)
    • Contract testing (20 contracts, 10 AI credits per user, 1 System Account, 2 Webhooks)
    • Functional testing (50 test executions, test automation, CI/CD integration, assertions, reporting, sequential testing)
  • Enterprise€54.68/user/month (20% discount for annual billing)
    • Catalog
    • Studio (Standardization, unlimited domains)
    • Portal (5 public products with SmartBear branding)
    • Contract testing (50 contracts, 10 AI credits per user, 1 System Account, 50 Webhooks, RBAC)
    • Functional testing (100 test executions, test automation, CI/CD integration, assertions, reporting, sequential testing)
  • Enterprise PlusContact sales
    • Catalog
    • Studio (Standardization, unlimited domains, custom API templates)
    • Portal (Unlimited public and private products with full customization)
    • Contract testing (Unlimited contracts, 30 AI credits per user, Unlimited System Accounts, Unlimited Webhooks, RBAC)
    • Functional testing (Unlimited test executions, test automation, CI/CD integration, assertions, reporting, sequential & parallel testing)
as of verify ↗

Platform & deployment

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

Platforms
Web
Insomnia✗
Swagger UI✓
macOS
Insomnia✓
Swagger UI✗
Windows
Insomnia✓
Swagger UI✗
Linux
Insomnia✓
Swagger UI✗
CLI
Insomnia✓
Swagger UI✗
Deployment
Cloud / SaaS
Insomnia✓
Swagger UI✓
Self-hosted
Insomnia✓
Swagger UI✗
On-premise
Insomnia✗
Swagger UI✓

Integrations

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

In common (1)
  • GitHub

Insomnia

9 total - 8 not shared
  • Kong Konnect
  • Google
  • Microsoft
  • HashiCorp Vault
  • Azure Key Vault
  • AWS Secrets Manager
  • GCP Secret Manager
  • Spectral
Independently observed

Swagger UI

Leader
3 total - 2 not shared
  • GitLab
  • BitBucket
Independently observed
Still deciding?

Insomnia or Swagger UI: which one depends on you

A composite score cannot know your constraints. Describe them and both get re-weighted against what you actually need, with the evidence behind every position.

Free to run, no account needed to start. How the evaluation works

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