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Developer Tools · head to head

GitHub Copilot vs Insomnia

GitHub Copilot logo

GitHub Copilot

Developer Tools

AI pair programmer for developers

From
$10/month
Rated
-
Full reviewWebsite
Insomnia logo

Insomnia

Testing

REST and GraphQL API client for development and testing

From
Free
Rated
-
Full reviewWebsite

The short version

  • Only Insomnia has a free tier, so it costs nothing to try first.
  • Each has a real cost: GitHub Copilot agent mode lacks deep tool orchestration and iterative execution compared to specialized agentic tools; Insomnia git Sync on the free tier covers up to 3 users only
  • They diverge on capability: GitHub Copilot covers Code completion, Insomnia covers REST API Client.

Where they differ

Only the attributes on which GitHub Copilot and Insomnia actually diverge.

Attributes where GitHub Copilot and Insomnia differ
AttributeGitHub CopilotInsomnia
Starting price$10/monthFree
Pricing modelsubscriptionfreemium
Free tierNoYes
PlatformsWeb, Windows, macOS, LinuxWindows, MacOS, Linux, Web
CategoryDeveloper ToolsTesting
Founded20082010

Identical on both: user rating (Not yet rated).

What each one covers

Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.

Only in GitHub Copilot

  • Code completion
  • Code generation
  • Chat interface
  • Multi-language support
  • VS Code
  • JetBrains IDEs
  • Neovim
  • Visual Studio

Only in Insomnia

  • REST API Client
  • GraphQL Support
  • gRPC Support
  • GitHub
  • GitLab
  • Slack
  • Windows support
  • MacOS support

What people use each for

The jobs each tool is most often brought in to do.

GitHub Copilot

  • ai tools managementnot Insomnia
  • Workflow automationnot Insomnia
  • Reportingnot Insomnia

Insomnia

  • Sending and debugging HTTP, GraphQL and gRPC requestsnot GitHub Copilot
  • Storing collections in Git rather than a vendor cloudnot GitHub Copilot
  • Mocking an API endpoint before it existsnot GitHub Copilot
  • Running collections in CI with the Inso CLInot GitHub Copilot
  • Environment management across staging and productionnot GitHub Copilot

Where each one falls short

Documented limitations, not opinions. Every one is a constraint you would hit in normal use.

GitHub Copilot

  • Agent mode lacks deep tool orchestration and iterative execution compared to specialized agentic tools
  • Suggestions for niche or specialized programming languages are less accurate due to limited training data
  • Less effective with non-English prompts or grammatically incorrect developer instructions
  • Free tier severely limited to 2,000 completions and 50 chat requests per month

Insomnia

  • Git Sync on the free tier covers up to 3 users only
  • Mock servers are capped at 1,000 requests a month on free, then $10 per 25,000
  • Role-based access control requires Pro at $12 per user per month
  • SSO, SCIM and vault integrations are Enterprise only at $45 per user per month
  • Working without an account is limited to the local-only Scratch Pad

Pricing, plan by plan

GitHub Copilot

$10/month
  • Individual$10/month
    • Code completions
    • Chat in IDE
    • CLI assistance
  • Business$19/month
    • Organization management
    • Policy controls
    • Audit logs

Insomnia

Free
  • EssentialsFree
    • unlimited Cloud/Local projects
    • up to 3 users with Git Sync
    • 1,000 mock server requests/month
  • Pro$12/user/month
    • unlimited users with Git Sync access
    • unlimited organizations
    • role-based access control
  • Enterprise$45/user/month
    • Kong Konnect integration
    • SSO (SAML/OIDC)
    • SCIM provisioning

Which should you pick?

Choose GitHub Copilot if

  • You need code completion.
  • You work on Web, Windows, macOS, Linux.
  • You also want code generation.
GitHub Copilot review

Choose Insomnia if

  • You need rest api client.
  • You want to start without paying.
  • You work on Windows, MacOS, Linux, Web.
  • You also want graphql support.
Insomnia review

Questions people ask

Is GitHub Copilot or Insomnia better?
Neither clearly leads. GitHub Copilot starts at $10/month and Insomnia at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, GitHub Copilot or Insomnia?
Insomnia has a free tier; the other does not. Paid plans start at $10/month for GitHub Copilot and Free for Insomnia.
Does GitHub Copilot or Insomnia run on more platforms?
GitHub Copilot runs on Web, Windows, macOS, Linux. Insomnia runs on Windows, MacOS, Linux, Web.
Can I use Insomnia for free?
Yes. Insomnia has a free tier, so you can try it without paying. GitHub Copilot starts at $10/month.
What is GitHub Copilot best used for?
GitHub Copilot is most often used for ai tools management, workflow automation, reporting. Of those, ai tools management and workflow automation are not what Insomnia is typically brought in for.
What can GitHub Copilot do that Insomnia cannot?
GitHub Copilot covers Code completion, Code generation, Chat interface, Multi-language support. Insomnia covers REST API Client, GraphQL Support, gRPC Support, GitHub.

Answered from the vendors’ own pages

GitHub Copilot: Does GitHub Copilot have a free tier?

Yes. GitHub Copilot Free offers 2,000 code completions and 50 chat requests per month at no cost with no credit card required. Students and open-source maintainers get free Pro access.

Source
Insomnia: How much does Insomnia cost?

Insomnia offers a free Essentials plan. Pro plans cost $12 per user per month with annual billing offering 17% savings. Enterprise plans cost $45 per user per month with support for up to 50 users self-serve; contact sales for larger teams.

Source
GitHub Copilot: What IDEs and editors are supported?

GitHub Copilot works in VS Code, Visual Studio, JetBrains IDEs (IntelliJ, PyCharm, WebStorm), Vim, Neovim, and Azure Data Studio with extensions providing code suggestions and chat capabilities.

Source
Insomnia: Is there a free version of Insomnia?

Yes, the Essentials plan is free and includes unlimited Cloud and Local projects, Git Sync for up to 3 users, 1,000 mock server requests per month, Inso CLI, E2EE, custom linting, plugins, and AI features.

Source
GitHub Copilot: What programming languages does Copilot support?

Copilot supports more than 10 core languages including JavaScript, TypeScript, Python, Java, C#, Go, and Rust. Performance is strongest for these popular languages with extensive open-source training data.

Source
Insomnia: What mock server request limits apply to Insomnia plans?

Essentials includes 1,000 mock server requests per month. Pro includes 10,000 requests per month. Enterprise includes unlimited mock server requests. Additional mock server requests beyond plan allowances cost $10 per 25,000 requests.

Source
GitHub Copilot: How does the free tier compare to paid plans?

Free tier limits completions and chat to 2,000 and 50 per month. Pro ($10/month) offers unlimited completions, while Pro+ ($39/month) adds access to frontier AI models and agent mode for autonomous multi-file edits.

Source
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